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  1. Replies
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    Re: 3x4 alpha numeric keypad

    If you understand how the keypad works, then the software is going to be very easy.
    You need to to sit with a multimeter and the keypad diagram ONLY ONCE, and you will never have trouble with it...
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    Seriously?? Peter Davis Forum Use Registration

    Hi Lester, this is regarding Peter Davis's refusal to access the forum.

    I will not lie to you, he is not a human, well not completely. He is actually a hybrid as a result of the metal parts in...
  3. Re: Programmer does not recognize a target device

    I found the problem. Or rather I think I did. In today's political environment you can never be sure of anything :wink:

    It seems there were poor connection between the ICD2 and the target device...
  4. Programmer does not recognize a target device

    Off late I get lots of "Programmer does not recognize the target device" and then does not program the device.
    Never had such a problem in the past.
    I have now had this with 16F684's and now again...
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    Re: Thermistor Steinhart-Hart linearisation procedure for Proton BASIC

    Now I would have simply used a temperature divider and use any standard temperature measuring component...
  6. Thread: Pickit2 firmware

    by fanie
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    Re: Pickit2 firmware

    Pickit 2 VPP voltage level error Does not load the hex file.

    Unplug and restart everything over and over and suddenly it loads the hex file.

    Still doesn't program. I just think it's a piece...
  7. Thread: Pickit2 firmware

    by fanie
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    Re: Pickit2 firmware

    I'm going to try it too as I just remembered why I never used the Pickit2 as a programmer.
    Nothing on this thing is consistent. When you press the program button it shows an error, or all the LED's...
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    Oven temperature issue

    I have two ovens on which I have put type K thermocouples with a controller.

    The wife used to set the oven on 180 degrees to bake cookies or other things, but with the thermocouple I have to set...
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    Re: Remote programming with Pickkit2

    Thank you everyone. The customer seems to need a vacation ;-) and he himself is going to visit all the sites (local and beyond) to re-program the units. I was really scared they might send the...
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    I dont belive it ! Re: Back in time looking good !

    I miss the great bands... where are the new emerging ones ?

    To name only a few English bands.... Uriah Heep, Led Zeppelin, Pink Floyd, Rolling Stones, Beatles, Iron Maiden, Def Leppard,...
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    Re: Remote programming with Pickkit2

    Hi Thumbleweed,

    I have the PDF... which is going to take a long time to go through. I was hoping someone would give me some indicators, is it working and if what are the drawbacks (if any).
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    Remote programming with Pickkit2

    Hi guys,

    I have a request to change software settings on units. The customer wants to know if it is possible to re-program the units at their warehouse.

    I know it is possible with the...
  13. Thread: Don't care bits

    by fanie
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    Re: Don't care bits

    It's like on some logic chips, when the chip is disabled, then ie inputs become don't care, whether they are 1 or 0, it does not matter. In your case setting or clearing that bit will not affect...
  14. Thread: Barking dog

    by fanie
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    Re: Barking dog

    Actually there is something that may work, I just remembered. Some years ago there seems to have been a tube that snaps into the dog's butt. This prevented the dog from getting the back pressure it...
  15. Thread: Barking dog

    by fanie
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    Re: Barking dog

    Many, many many many years ago newly wed me lived in a house where we had the same. Now I was a lot more energetic and firey than off late. The traffic department was in charge of dogs then (what...
  16. Thread: Barking dog

    by fanie
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    Re: Barking dog

    Punish the owner, not the dog.
  17. Thread: Barking dog

    by fanie
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    Re: Barking dog

    Yeah right Charlie !!!

    A continuous barking dog is a neglected one, usually because they are scared and alone. Perhaps the local animal protection could look into it in a friendly manner. It is...
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    Re: Wheelchair speed control

    To enhance your product with longer battery life, look at adding some supercaps on the batteries. They take the knock on the battery out. There are some interesting video's on Youtube and it is...
  19. Re: HAs anyone used the TSL1401CL linear sensor?

    Possibility one - I'm not sure what exactly the application is, but why not use a conductive approach ?
    If you have a few fixed measuring points along the length of your probe down, you could get a...
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    Re: 18F47K40 Port B issue

    For what it's worth, on the 18F14K50 it seems (some ?) of the A/D's are enabled by default

    Bcf ANSEL.7 ' disable A/D cha 7 to make portC3 a digital input

    Not what you expect...
  21. Re: HAs anyone used the TSL1401CL linear sensor?

    Tim, sometimes I worry about you. You do the weirdest projects :-)

    That tube has a relative large diameter, is it possible to float a subject with colour on it that would give a better definition...
  22. Re: HAs anyone used the TSL1401CL linear sensor?

    Cute sensor ! And a nice range to near IR as well. With a few reference coloured LED's you may even detect colours, or with a filter read only certain colours.

    I had a brief look at the data...
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    I dont belive it ! Re: Back in time looking good !

    I was just thinking how easy the new-to-pics guys have it.
    Remember the first pics with the windows in them ? If the program wasn't working you levered it out of it's socket, sit it in the UV...
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    Re: Suggestions for pic microcontroller

    When choosing a micro you should have an idea of the pins, memory etc, iow what can the micro do, and see which peripherals it has. Also, is it suitable for most other projects you may want to do,...
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    I dont belive it ! Re: Back in time looking good !

    Good GRIEF See Mos, mid 60's is even older than the 1970's. Now THAT is ooold :-O

    My grandson was visiting one day when he asked, "Grandma, do you know how you and God are alike?"

    I mentally...
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    I dont belive it ! Re: Back in time looking good !

    Someone just sent me this... ok so it's not really for us, it's for old people, like our fathers, grandfathers and great-grandfathers.

    When my grandson asked me how old I was, I teasingly replied,...
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    I dont belive it ! Re: Back in time looking good !

    Ok, but only if we get to keep what we know now :-0

    And you're going to be sorry you didn't save all the lotto numbers...

    I'm sure your father would be awed by what his little boy did with the...
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    I dont belive it ! Re: Back in time looking good !

    Hello CMOS !! And a very happy 1970 to you too !

    Liar liar pants on fire. Nobody misses me.
  29. Thread: Pt100

    by fanie
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    Re: Pt100

    Thanks Tim, it seems they make a wide range of PT's.
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    Re: IDE on MAC running Parallels

    Have you defined TMR6ON as a variable ?
  31. Thread: Pt100

    by fanie
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    Re: Pt100

    The correct name is PT100, and it is supposed to be 100R at 0oC. If it's value is off it may be damaged.

    It is basically the same as a thermistor, and you get a PT1000 as well. They are supposed...
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    I dont belive it ! Back in time looking good !

    3614

    ... as long as we don'y have to go back to those ooold micro's.
  33. Re: Advice needed - multiplexing 7 segment displays.

    While the displays are discussed I want to ask if there is a shorter way of allocating the values to write to the display than this ?
    To explain, In the program I allocate values to each segment,...
  34. Re: Advice needed - multiplexing 7 segment displays.

    That's it, the same functionality. The 4094 is a bit cheaper here than the 74 595 and unfortunately they are not pin compatible.
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    Re: 3D printer. Yey!!!!

    That is what I'm after. It is also apparently UV resistant, and is said to print as easy as PLA.
    Only problem for us is it is expensive...
  36. Re: Dongle Issues with Windows 7 64 Bit. Making it difficult to use already purchased

    Surviving... Is that an answer ? :D
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    Re: 3D printer. Yey!!!!

    Hi Bobby,
    Yes, the parts are all quite strong, just depends what you do with them. The part for the pellet gun looks like an omega sign, it is when you bend (force) it open to fit around the...
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    Re: 3D printer. Yey!!!!

    Did you get the printer Les ?

    I have also bought aCreality Ender 3 recently and it works well, not one hickup so far.
    PLA is fine and works easy but is not very temperature tolerant, and parts...
  39. Re: Advice needed - multiplexing 7 segment displays.

    The very first program I wrote was a 3 digit multiplexed display, and I'm still using the same today for a basic volt and amp meter. There however is a problem, and that is it limits the pic to do...
  40. Re: Update on procedures in the Proton BASIC Compiler

    Thanks Les, same as Gary said above. The whole world is in a terrible shamble, but the good news is it is slowly turning for the better, and so will the processors I suspect.
    The same conditions...
  41. Re: Dongle Issues with Windows 7 64 Bit. Making it difficult to use already purchased

    I have just re-installed the PDS and key driver from scratch, and the PDS also did not see the dongle.
    To solve just go to the device manager in the control panel and select the dongle in the list,...
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    Re: AVC - Washing Machine Super Duper

    It seems they use a magnet and electro-magnet cushion for the machine to sit on, the microphone probably monitor the direction of the movement/frequency so the magnet cushion can counter-act the...
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    Re: Malicious web site

    Doesn't bother me in the least, but others could expect there is some problem and avoid visiting.
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    Malicious web site

    When addressing the forum I get a malicious web site warning.
    Someone else here in Sick Africa phoned me a couple of minutes ago and said the same.
  45. Re: What kind of speed controller principale/ code do electic bikes controllers use?

    https://www.youtube.com/watch?v=j2IBnKouLDg KLD oneDrive Electric Vehicle Propulsion System - Energy for the Next Generation
  46. Re: What kind of speed controller principale/ code do electic bikes controllers use?

    Actually there is a 3rd way, and that is as I have mentioned previous, and that is to make one inductor of them all. You need one bridge to drive forward or backward. You use two or three analog...
  47. Re: What kind of speed controller principale/ code do electic bikes controllers use?

    Hi BA,

    There are two ways you can go.

    The first is using a 3phase pwm controller from Infinion (they also include International Rectifier). This would be my first choice as all the protection...
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    Re: 18F26K42 Eeprom anyone?

    You can also use the Cwrite / Cread commands, you are not stuck with just the eeprom.
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    Re: Dim xxx as code problem on P24

    Just a joke Charlie... Same as brilliant engineers spend years studying, designing large complicated PCB's with all the most advanced technology hardware at large cost, to flash a LED and they get...
  50. Re: What kind of speed controller principale/ code do electic bikes controllers use?

    I saw a vid on youtube where a guy in the US used his head and seried all the windings on a wheel motor and used a couple of direction sensors to determine which way to switch the polarity. This is...
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    Re: 18F26K80 SPI SHout support

    Start off by toggling the pins on/off to verify they work, ie they are not analog by default.
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    Re: New dual core dsPIC33CH PIC

    My worry is the cost of all the motors for so many PWM's...
    I bet the code for it will have a left and a right half of the page. Well, to keep the master and slave synchronized.
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    Re: Dim xxx as code problem on P24

    In the editor look under view, editor options, general, and see if it points to the correct location on your PC.
    Mine points to the user files C:\Users\Fanie\PDS\

    Aren't you suppose to start the...
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    Re: Dim xxx as code problem on P24

    I copied as is and it compiled ok.

    I like to keep certain orders, so I shuffled the code a bit... which also compiles ok.

    Device = 24HJ128GP502
    Declare Xtal = 79.23

    Config FBS =...
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    Re: Cable source in UK

    LOL. Can we promote this answer to an article ? Could be very useful when you don't have the right value resistors... :biggrin:

    Hello Bill.
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    Re: Self Calibrating Routine

    I couldn't find the wiki yesterday, and assumed it was off or gone...
    Glad SOMEONE found it useful...

    Would be interesting to see how you altered it, maybe I can learn from it also. I like to...
  57. Thread: hatch opener

    by fanie
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    Re: hatch opener

    Oh yes you do too, 1 boat or 0 boat ;-)
  58. Thread: Cdata and Cread

    by fanie
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    [SOLVED !] Re: Cdata and Cread

    The compiler does not know how fast the pic is running, so you have to tell it that you are setting the clock speed at which frequency. It can probably be calculated from some clock settings, but...
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    Self Calibrating Routine

    This is a self calibrating routine I use in mostly all code that measures an external voltage.

    It requires that you set a known specific input voltage as a reference, in other words if you want...
  60. Thread: hatch opener

    by fanie
    Replies
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    Re: hatch opener

    I was going to upload a picture of a bunch of bikini girls covering just such a void. About 8 of them. No rain will get in there and you don't need air at such sight...:nightmare: Decided not to...
  61. Thread: hatch opener

    by fanie
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    Re: hatch opener

    If possible I would look at something that is tube-like where the air enters on the bottom and has to flow up and then into the area you want the new air in. You can also have a swivel lid in it...
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    Re: Ferrite transformer question

    A transformer's function is based on the ratio between primary and secondary, as well as impedance at the frequency.
    If the ratio is right then you will get the expected transfer. For high...
  63. Thread: Cdata and Cread

    by fanie
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    [SOLVED !] Re: Cdata and Cread

    I see you're not telling the compiler what speed the pic is running at, which could explain why you are getting 2.5 seconds on a 250ms delay.

    Do yourself a favor and write a proper startup for the...
  64. Thread: Why the PIC26K42

    by fanie
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    Re: Why the PIC26K42

    Thanks John, I did that - BCF ANSEL.7 makes PORTC.3 a logic I/O.

    You know how one reads the data sheet, you just notice the parts you want to see, the big block in bold stating the inputs are...
  65. Thread: Why the PIC26K42

    by fanie
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    Re: Why the PIC26K42

    Hi Charlie. Big ships makes me sea sick. They don't move right ;-)

    The guns people bring in is usually foreigners who come here to hunt. With the currency so pathetic it is almost for free for...
  66. Thread: Why the PIC26K42

    by fanie
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    Re: Why the PIC26K42

    Hello Rick. Sorry about that but the situation here requires other priorities. Things in the world however is looking up, I think that if one can succeed to stay alive for a bit longer this...
  67. Thread: Why the PIC26K42

    by fanie
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    Re: Why the PIC26K42

    Hello Shantanu, from the shoulders on downwards I'm fine...
    Hello John, pics are addictive, if you try to stay alive...

    These pics are really nice but some have a few funny quirks, like the...
  68. Thread: Why the PIC26K42

    by fanie
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    Re: Why the PIC26K42

    They work so nice, and it's a pic. I cannot say more because then it become politics ;)
    Off late I prefer the ones with a K in to the others and they are priced ok.
  69. Re: BCM47755 GPS to within 30 centimeters/11.8 inches

    Well, the nice thing not being a moderator is I don't have to clean the threads up, one of you have to do that !

    I have read elsewhere that the continents are apparently drifting back together...
  70. Programming 12F683 pics with INTOSC and I/O on RA4 pin

    The MPLAB software does not allow these pics with that configuration to be programmed.
    Mchip could not give a proper answer why they do not allow it.
    I have been using it like that in hundreds of...
  71. Re: BCM47755 GPS to within 30 centimeters/11.8 inches

    I have a few comments on this.

    John you blokes down there stay there, stop drifting towards the rest of us. We don't want you up here. At that rate we are going to have to build a wall soon...
  72. Thread: Shout rate

    by fanie
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    Shout rate

    Is there a rough indication to know at what rate the shout command clocks data out at the various clock 4MHz, 8Mhz, 16Mhz... 64MHz speeds ?
  73. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    LOL. I think we all went through the (power) audio stage. I still have mine, and as you know big isn't big enough. So there is 1200W RMS sitting here, if I crank it up the neighbors run out of...
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    Re: PIC gang programming

    I think Man has been working on that spouse controller for ever... Like they say, the man is the boss and he has his wife's permission to say so.

    I've had the idea for a long time that it could...
  75. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    And just btw, an easy way to make a long range security beam, instead of using IR which is suitable for short range only, use a cheap chinese laser pointer, strobe the laser and use a light sensitive...
  76. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    Hi John, lots of factors plays a role in the range. The intention is however to make a portable thing you can carry with you, or some of them.

    If a transmit power of 20 dBm receiver sensitivity...
  77. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    Thanks Craig. Some modules do not indicate what range one can expect, one have to thumb suck it with sensitivities and Tx power. The RFM95/96/97/98(W) has sensitivity down to -148 dB. Some of...
  78. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    Thanks Alberto. The SX1276 is nicer in the sense that you can clock the data in/out at your own rate, I'm not very fond of the usart, but the Microchip one does have a free mode where you can just...
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    Re: PIC gang programming

    Yeah right, ladies dancing to your tune. First get the wife to do that then we talk.

    The problem is the pic pins are small, you have to put each one in a programmer that can hold them. Besides...
  80. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    Thanks Teo ! Digi-Key has them, but at $87.5 that is R1225... each !
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    Re: PIC gang programming

    I have no idea how you would apply such a programmer... ?

    But, I found this. All I can say is we know what you are doing ! :highly_amused:

    https://www.youtube.com/watch?v=9bZkp7q19f0

    PSY...
  82. Thread: Forum Password

    by fanie
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    Re: Forum Password

    LOL, some people gets punished immediately ;-)

    The forum needs an aggressive password policy to keep the EU out. Showed the English has not lost all their marbles. I just uninstalled adobe...
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    Re: Happy Birthday Alberto

    Yeah, seven billion people are watching him !!!
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    Re: fringe-effect capacitor expert needed!

    The humidity sensors seems like the ideal thing, the part numbers I have are HMZ-333A1 and HMZ-435CHS1 and I have used the first one for various applications. As I said you can even make your own...
  85. Thread: Member map ?????

    by fanie
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    Re: Member map ?????

    There are seven billion people who can watch you eat your breakfast.
    Now Charlie, if you do the dishes too you could become very popular, mostly with the females watching.
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    Re: Happy Birthday Alberto

    Shame... ! I won't be too happy with all these so-called congratulations simply because birthdays are bad fore you.

    They make you OLD.

    One of my friends were out working somewhere with two old...
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    Re: fringe-effect capacitor expert needed!

    Will a humidity sensor working with capacitance help you ? You get them off the shelf.

    If I have it right then all capacitance measurements are done by applying a frequency over the cap, which...
  88. Thread: Tranceiver

    by fanie
    Replies
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    Re: Tranceiver

    Here are some with an up to 15km range.
    RN 2483 and RN2903
  89. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    Can't believe I didn't know microchip made them.
    Thanks Gamboa !
  90. Thread: Tranceiver

    by fanie
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    Re: Tranceiver

    Thanks Teo, any idea what they cost ? There are a few usable ones on the market, it is the price that stands in the way.
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    Re: 18F14K22 Clock Speed Settings

    Hi Charlie, nice of you to stop by.

    Think something up, there is always something new you can do with a pic.
  92. Thread: Tranceiver

    by fanie
    Replies
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    Tranceiver

    I'm looking for a tranceiver unit capable of up to 10km
    The Linx ones from the US is availkable here but $$$ !

    Thanks !
  93. Thread: LED light bulbs

    by fanie
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    Re: LED light bulbs

    You're still using mains power for which you are charged carbon taxes.
  94. Thread: LED light bulbs

    by fanie
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    Re: LED light bulbs

    Well John, running the 30mA LED off 12V is 360mW. If you run the same 30mA LED off 230V, it consumes 6.9W

    Some of these circuits have a small switch mode power supply in them but it can be as...
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    18F14K22 Clock Speed Settings

    For what it's worth for anyone using the 18F14K22 -

    The OSCCON clock settings seems to be reversed
    The settings in the data sheet indicate

    -111---- = 16MHz
    -110---- = 8MHz
    -101---- =...
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    Re: 18F4520 timing issue

    I blink the LCD backlight as an alarm indicator, I checked it again and the blinking rate seems about right. In between blinks I sound a buzzer as well, which just makes clicking sounds.

    I...
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    Re: 18F4520 timing issue

    It does not matter which frequency I specify or which frequency I select in the osccon reg it makes no difference, the code does not run as in the 45K20.

    When I import the hex code into MPLab I...
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    Re: 18F4520 timing issue

    I can set the osccon register to anything, the code doesn't work right in the 18F4520.
    The same code works in the 18F45K20 at any clock speed.
  99. Replies
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    Re: 18F4520 timing issue

    Device = 18F45K20
    Xtal = 8


    Config_Start
    FOSC = INTIO67 ; Internal oscillator block, port function on RA6 and RA7
    FCMEN = OFF ; Fail-Safe Clock Monitor disabled
    IESO = On ;...
  100. Replies
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    Re: 18F4520 timing issue

    Device = 18F4520
    Xtal = 8

    Config_Start
    OSC = INTIO67 ; Internal oscillator block, port function on RA6 and RA7
    FCMEN = OFF ; Fail-Safe Clock Monitor disabled
    IESO = off ; Oscillator...
  101. Replies
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    18F4520 timing issue

    Again, there is a timing issue with the compiled code in a 18F4520 vs the 18F45K20.

    The 18F4520 does some parts of the same code the same as the 18F45K20, and other parts the timing is completely...
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    Re: 18F4520 timing issue

    It's been in the dryer for 3 weeks already... something is not working properly.

    I've ordered more of the K20's, if they come before I can determine the problem, the 20's will be demolished and I...
  103. Replies
    10
    Views
    3,483

    Re: 18F4520 timing issue

    I have changed these settings to any possible combination, I saw that the arrangement of clock select bits are different.

    OSCCON = 01111110

    OSCTUNE = 00000000 'switch off PLL for INT...
  104. Replies
    10
    Views
    3,483

    18F4520 timing issue

    There seems to be a timing issue with the 18F4520, no matter what I set the config bits or the osccon bits, the compiled code doesn't run near at 8MHz - using intio67. Cannot address ie a 18B20 temp...
  105. Replies
    1
    Views
    1,323

    Re: Microchips new MGC3030 3D Gesture controller

    Hi Norm,

    I'm a bit skeptic of these "gesture" things. When in a Tv for instance you pic the beer up it changes channel, or it switches off, or even worse it switches to the lie propaganda channel...
  106. Re: How to read serial data from a low cost digital caliper.

    Hello Leo,

    Do you understand how serial data is transferred... ? If you understand what it does it's not difficult.
    This may perhaps help to make it clearer...
    ...
  107. Replies
    18
    Views
    2,988

    Re: IRDA Programmable Constant Current source

    Hi guys,

    PMW is not always desired as it can cause noise. Depends on the app. I heard of a guy who thought these 12V switch mode LED driven lamps are just the thing to put on his boat. He ended...
  108. Replies
    821
    Views
    75,921

    Re: Do you have a short story!!! Let's have a coffe!!!

    Telephone answering machine recording.

    "Sorry I can't answer your call right now, there is somebody I am trying to avoid.
    Please leave your name and number and if I don't ring you back, it's you."
  109. Replies
    821
    Views
    75,921

    Re: Do you have a short story!!! Let's have a coffe!!!

    Have you noticed how "smart" things always come from somewhere else
    https://www.youtube.com/watch?v=8OfPS8GiFQI

    What do they tell the Italians where these come from ? :biggrin:
  110. Thread: Compiler dog day

    by fanie
    Replies
    1
    Views
    1,115

    Re: Compiler dog day

    That is easily resolved when you learn a few good words...
    With them you can talk anything not working into a good working condition :biggrin:
  111. Replies
    821
    Views
    75,921

    Re: Do you have a short story!!! Let's have a coffe!!!

    Back in the day, when showed a picture of presidential hopeful Gary Hart on his boat with his mistress, a fellow Senator was to have said:
    "Well, now, it seems the Senator has changed his opinion...
  112. Replies
    821
    Views
    75,921

    Re: Do you have a short story!!! Let's have a coffe!!!

    They say one out of every six people have a screw loose.
    Look at your five best friends, if they seem ok,
    Then it's YOU !
  113. Replies
    821
    Views
    75,921

    Re: Do you have a short story!!! Let's have a coffe!!!

    Yep Charlie, like the student who asks the lecturer, what if he's too sexually exhausted to write the exam... The lecturer said, well, then you will have to write with the other hand :biggrin:

    ...
  114. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    The first time ever I heard the word auger I didn't know what it was.

    I like the 1200 better :biggrin: I'm a Suzuki fan, I sold my last one when I did a 20 minute trip in under 8 minutes. ...
  115. Thread: P24 update

    by fanie
    Replies
    8
    Views
    10,581

    Re: P24 update

    Thank you Les.
  116. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Hi Joan, cool schooter ! Have you a picture of you riding it ? Perhaps the last speed ticket you got...? :biggrin:

    For the chaps who are into gardening, (and those who just eat what comes out of...
  117. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    ...and Housebound for two weeks...

    You mean they let you outside before :nightmare:

    Statistics shows that about 12% of females are on some medication.
    The scary part is 88% are NOT on...
  118. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Well Joan, spares for old models like me are getting scarce. That's why one have to look after the parts that are still working fine. Getting old(er) is a bugger, I can't even jump off the roof off...
  119. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Flosi, I think it's a bit more than just dried meat. A bit goes in the preparation and also in the spices.

    A neat trick to keep your biltong fresh is to freeze it cut and spiced, only take out...
  120. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Hi Joan, it seems most on this forum have some condition, Shantanu is laid up with a split side, John's nerves are shot by snakes, spiders and rabid rabbit's, Flosi's feelings are probably hurt by...
  121. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Aye John, when the pom's lost the first Boer war, some of the Boers were afraid some of them would stay behind so they went to oversee the departure at the harbor. While the ship set sail, one of...
  122. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Amazing...
    https://www.youtube.com/watch?v=369h-SEBXd8

    and

    https://www.youtube.com/watch?v=CIJ8e56eEwM

    You even get some skateboards which are quite fast.

    Flosi, my potatoes wouldn't...
  123. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Friday the 14th. Damn, we missed it by a day :(
  124. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    Oh and btw. I asked the guys from .AU on the boat design forum if they make biltong "down there". It seems not really, they have problems shooting the jumpy cangeroo's and it seems the biltong...
  125. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    Re: How's Everyone ?

    John you big sissy ! How can you be scared of lizards and snakes ? As a kid I had drawers full of snakes, it kept every one else out of my room. My room wasn't in the house though, at a tender age...
  126. Thread: How's Everyone ?

    by fanie
    Replies
    26
    Views
    5,203

    How's Everyone ?

    Hello Everyone,

    I have been absent for a while and may probably be off some more, bu-hut I would like to hear how everyone is and what are you up to ?

    Everything is ok here and I'm fine from...
  127. Replies
    5
    Views
    4,101

    Re: Problems with driving 4x20 LCD displays. A fix

    What happens is you re-write all four lines instead of just to one ? If I remember right with one of the displays I had it advances the line number automatic after a write to a line, or perhaps...
  128. Replies
    5
    Views
    2,842

    Re: Help using MAX and MIN comands

    MTH, no idea what you are trying to do... ?
  129. Replies
    20
    Views
    5,011

    Re: Decoding Morse Code in Proton Basic

    Hello Barry,

    This has been on my to-do list since who knows when. It shouldn't be too hard since there is a longer delay between each character/number. I think one will have to have three...
  130. Replies
    9
    Views
    4,405

    Re: Water pump from down under

    Hello Bill ! It's been a while, nice seeing you here.

    Yes that pump works on the vacuum venturi principle, we use the same principle in the pick n place to generate vacuum from the compressed...
  131. Replies
    9
    Views
    4,405

    Re: Water pump from down under

    Did they lose because they miss-spelled the score http://www.practicalmachinist.com/vb/images/smilies/skep.gif

    There was this silly joke going around that those who are well endowed cannot spell,...
  132. Replies
    9
    Views
    10,816

    Re: Writing Flash like EEPROM it is posible?

    Geoff,

    You can read a range of memory locations until you find a value (you have to clear the previous write location). The amount of locations is up to you and depending how much memory the pic...
  133. Replies
    10
    Views
    8,479

    Re: Fuses Config for 18f45k50

    I'm offering a way to find the configuration settings if the pugin does not support the pic of for what ever other reason you need to do the setup and do not know where to start. If you've gone...
  134. Re: New Microchip 5 kohm Digital Potentiometers With 36V Operating Voltage

    Cool Norm, but where's the pot to turn the volume up http://www.practicalmachinist.com/vb/images/smilies/leaving.gif
  135. Replies
    10
    Views
    8,479

    Re: Fuses Config for 18f45k50

    Hello Erez,

    A very easy way to find the fuse settings for any pic is to open MPLab, select the device and look in the configuration window at each settings options. If you double click on the...
  136. Replies
    4
    Views
    2,868

    Re: OPne for the maths experts

    Now you know why we don't read the manual http://www.practicalmachinist.com/biggrin.gif
  137. Replies
    11
    Views
    1,629

    Re: Parts desoldering while in use.

    The idea of a heatsink is good, but not those flimsy ones, rather a stubby piece that would want to retain it's shape. You do get heat conductive epoxies which are $$$$ but a heatsink with a bit of...
  138. Replies
    9
    Views
    4,405

    Re: Water pump from down under

    LOL John, it's the same everywhere... ;)
  139. Replies
    11
    Views
    1,629

    Re: Parts desoldering while in use.

    If the unit sits in moderate temperature and is exposed to such cold suddenly it may cause the part to twist. You could try to put some epoxy on it, to mechanically support the part from twisting as...
  140. Replies
    9
    Views
    4,405

    Re: Water pump from down under

    You have a better chance of someone sailing over that hose and hook it with the motor or keel, you'll end up planing backwards after them. Just think if a tanker gets that hose wound around the prop...
  141. Replies
    9
    Views
    4,405

    Water pump from down under

    Good grief ! You Ausies must come right. Someone (from .AU) sent me this pump as a solution for when the boat gets a whole and is making water to pump the water out with.

    The argument is you plug...
  142. Replies
    9
    Views
    10,816

    Re: Writing Flash like EEPROM it is posible?

    If you do not have a lot of data to re-write but you have to re-write very frequently then it is possible to step the save location so you write to a location once every XXth time only. There is no...
  143. Replies
    23
    Views
    12,601

    Re: Favorite GoTo PICs

    Hello Dennis,

    If you're looking for a few good all-rounder pics then you also have to look at the layout in the series. For instance the 12F683 (8-pin) uses the same structure as the 16F684...
  144. Replies
    11
    Views
    1,629

    Re: Parts desoldering while in use.

    If you look carefully you can see the chip has pulled it's legs in because of that cold ! It's not holding to the board anywhere !

    Use leaded solder Tim, I heard complaints of similar a while...
  145. Replies
    9
    Views
    2,885

    Re: Need help for using 4x3 keypad.(beginner)

    Hello Azravian,

    The best is to understand first how the component works, then it is easy to write the software for it. If you do not know how the lines and rows are connected, say so it can be...
  146. Replies
    4
    Views
    2,207

    [SOLVED !] Re: Serial Port/RS232

    Not sure how fast the encoder is, but you cannot read the encoder and send serial at the same time, not sure how long "incidentally not much" is. If you read the encoder and send data then if an...
  147. Thread: Need capacitors

    by fanie
    Replies
    10
    Views
    2,455

    Re: Need capacitors

    Hello Charlie,

    Why MUST they be electrolytic's ? If you simply need 10uF then you can substitute 10uF motor caps, they have a stud with which you can panel mount them. Any electrical re-seller...
  148. Replies
    6
    Views
    2,266

    Re: 18F14k22 *hic*ups

    LOL, yes Simon...

    It says it has an 8 x 8 hardware multiplier, from peripheral vision I can see one day when I get here the whole desk is going to be full of these things when they hardware...
  149. Replies
    6
    Views
    2,266

    Re: 18F14k22 *hic*ups

    I don't use LVP, and I did try to program it, the ICD2's yellow error light goes on and kick the USB off. I modified the probe with a resistor and a zener and it worked. The ICD programs all the...
  150. Replies
    6
    Views
    2,266

    Re: 18F14k22 *hic*ups

    Another retard on this chip

    You have to use a clamping zener diode (I used an 8V2) between 0V and VPP with a 270R on the prog probe in series to prevent the VPP from working off too high a...
  151. Replies
    6
    Views
    2,266

    Re: 18F14k22 *hic*ups

    Check how retarded this is.
    If the low voltage programming on this pin is enabled the pic thinks it is going to be programmed when the A/D signal on the pin exceeds ~2V4. It means if you want to do...
  152. Replies
    6
    Views
    2,266

    18F14k22 *hic*ups

    This is going to be one of those sick retarded pics.

    I cannot get the A/D to read a value up to 1/2 VDD, the pic feeze and then resets when I go below this value. I have a pot between VSS and VDD...
  153. Thread: Max31850

    by fanie
    Replies
    11
    Views
    3,871

    [SOLVED !] Re: Max31850

    No reason why not, sure it will, sorry I thought you were referring to the other chip.
  154. Thread: Max31850

    by fanie
    Replies
    11
    Views
    3,871

    [SOLVED !] Re: Max31850

    Hi Bobby, it may look so but they work differently. The DS18B20 is a one-wire device, you send a command (OWRITE), then read (OREAD) the info on the same wire into the pic. With the MAX6675 chip...
  155. Thread: Max31850

    by fanie
    Replies
    11
    Views
    3,871

    [SOLVED !] Re: Max31850

    Just for interest sake. While the TC range goes to fairly HOT :devilish: (depending which TC you use) it is possible to read well over it's melting point if you are prepared to sacrifice the TC. In...
  156. Thread: Max31850

    by fanie
    Replies
    11
    Views
    3,871

    [SOLVED !] Re: Max31850

    Hi Bobby, the DS18B20 has a temperature range up to 125oC, stunning device though. The TC can read well over 1000oC and is a bit of a pain in the **sniff** to use due to the low output voltage. If...
  157. Thread: Max31850

    by fanie
    Replies
    11
    Views
    3,871

    [SOLVED !] Re: Max31850

    Hello Louis,

    Why use a TC chip ? up to 350oC the type K is so linear that you can read the A/D with an opp amp.

    If I remember right there was a discussion on it some years back. Where the TC...
  158. Re: Proton 3.5.6.7 and Proton24 1.0.2.3 available for download

    Yeah Paul, where have you been, everyone is waiting on you !

    Cool eh http://www.protonbasic.co.uk/image.php?u=643&type=sigpic&dateline=1266734779
  159. Replies
    2
    Views
    1,178

    Re: Knotting yourself

    I bet you it's a bit set or unset somewhere...
  160. Replies
    8
    Views
    6,920

    Re: Auto setting Voltage Input

    Btw, you can omit the


    GoTo Prp1 ' Not trimmed yet
    because it serves no purpose.
  161. Replies
    8
    Views
    6,920

    Re: Auto setting Voltage Input

    Hi Guys, it wasn't me that wrote the Resistor Divider program, my littler brother did, he's the clever one.

    Here is the latest version, it does indicate the current through each resistor (I1 & I2)...
  162. Replies
    2
    Views
    1,178

    Knotting yourself

    Gee whizzz,

    One can knot yourself with stupid things.

    I sat here with a darn pic that doesn't want to read an A/D input. Well it wouldn't switch a relay on, how simple can that be. The bugger...
  163. Thread: Microchip supply

    by fanie
    Replies
    7
    Views
    1,624

    Re: Microchip supply

    Hello Geoff,

    Every one uses a specific few pics. Find yourself a good supplier who will keep a bit of stock for you.

    If you do want to order from MChip I suggest you check stock before...
  164. Replies
    8
    Views
    6,920

    Re: Auto setting Voltage Input

    Hello Joseph,

    Mathematcally a 6k8 and 1k divider should give about 1.538V on the divider, if the pic works off 5V the 10-bit A/D value should be about 314 or 13Ah. If the pic runs off 3V3 the...
  165. Re: Is anyone making their own PIC24 development board?

    Doesn't sound so good eh :D

    For some weird reason I have never played with an RGB led before :redface: , but I can imagine it could be fascinating if the lounge lights up a different color each...
  166. Replies
    8
    Views
    6,920

    Auto setting Voltage Input

    Hi guys,

    Most of you probably do this already, but some of the new guys may find this helpful.

    When you input an A/D reading then it is always a bugger to calibrate the input voltage to read...
  167. Re: Is anyone making their own PIC24 development board?

    LOL. At an engineering conference I can hear the "aaaaah!"

    Very neat, well done. What all have you got there ?
  168. Replies
    9
    Views
    6,014

    Re: Moving two stepper motors at the same time.

    Hi Leo, go for it. Worst that can happen is everything starts burning from the end of your board right up to where it goes into the mains, through the distribution board to the area transformer to...
  169. Replies
    9
    Views
    6,014

    Re: Moving two stepper motors at the same time.

    Hello Mav, nice having you here. Someone beat me to it eh :redface:
  170. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    Hi Charlie,

    I don't think I have the patience to write such long stuff. At my age I should know a few things about myself, I don't sing (birds drop dead out of trees), and I cannot compose music....
  171. Replies
    9
    Views
    6,014

    Re: Moving two stepper motors at the same time.

    I know what you're going to say.
    Calculate the fraction into a full number and step that axle every n-th step 1 step extra.
    Keep a counter each for XStep and YStep, you may come up one short or...
  172. Replies
    9
    Views
    6,014

    Re: Moving two stepper motors at the same time.

    Hello Wirecut,

    I assume you want to go to the location in a straight line.
    This is what I would do -

    Determine which is the longest distance, or the most counts. Then for each count the small...
  173. Re: Is anyone making their own PIC24 development board?

    Would like to see what the board looks like... can you post a picture ?
  174. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    I didn't pull that face, the smiley did.
    Me, I become completely expressionless, all reasoning disappear and I become deaf to all pleas of mercy...

    The first circuit could be similar to the one...
  175. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    :nightmare: If not sensibly, then what DO you associate me with ?

    By "sensibly" **cough...cough...** I meant - you can push the PWM frequency up more, much higher, but then you lose resolution...
  176. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    Hi Charlie, cool, I found an app sheet here. http://www.ixysic.com/home/pdfs.nsf/www/AN-109.pdf/$file/AN-109.pdf

    They're cheating of course, a transistor is not linear, in this case you have to...
  177. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    Hello David,

    Thank you, I was actually referring to the rate at which a pic can (sensibly) drive PWM. If I remember right you can drive something at up to 65kHz using PWM with the even faster...
  178. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    Hi Ken, I absolutely dislike it if a component rating says it's a 4A device but when you look it can only ie source 1.8A. To me that is a 1.8A device. Where to get a pic that can PWM at that...
  179. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    If you want to read or play some more, the MOC series opto's come in a variety of choices, the one with the zero cross switch is a favourite, we use the MOC3082. The LED requires very little current...
  180. Replies
    16
    Views
    3,208

    Re: speeding up optocoupler

    Well, simple switching with opto's is one thing, there is always a choice to select a faster opto. Getting these darn things to opto-isolate a linear signal is something else, iow opto-coupling a...
  181. Thread: MPLab sucks

    by fanie
    Replies
    4
    Views
    2,187

    Re: MPLab sucks

    Thanks. It's fine that you tell me these things but windows refuse to open it, I can even check that the download checksum is fine. Never mind, all working here. For now.
  182. Replies
    21
    Views
    2,947

    Re: Best rendition of Mack the Knife ???? ever... ?

    I agree John, it's not so bad. There's another woman in my bed every night who claims she's my wife :D LOL, talks a lot though these wiemen. They even make food and do the washing.

    John is...
  183. Thread: MPLab sucks

    by fanie
    Replies
    4
    Views
    2,187

    Re: MPLab sucks

    Hello Tumble,

    I spent an hour to try and find something like that, not even the search turned a result up :redface:.

    Thanks, grateful, installed and working right first time.

    Since there are...
  184. Replies
    21
    Views
    2,947

    Re: Best rendition of Mack the Knife ???? ever... ?

    My better half John, is from the shoulders on downwards :D

    I don't know if I told you this before... which is an advantage of alzheimers-lite, everything you hear is new LOL, but the wife once...
  185. Replies
    15
    Views
    5,909

    Re: 16f48a freeze when using hsrout

    Vissie, what are you writing to ?
  186. Thread: MPLab sucks

    by fanie
    Replies
    4
    Views
    2,187

    MPLab sucks

    I'm still using MPLab 8.5 since it was the last sensible version made. Doesn't support the latest pics unfortunately.

    Now with MPLABX (seems the X is a radio active warning) I couldn't even...
  187. Replies
    21
    Views
    2,947

    Re: Best rendition of Mack the Knife ???? ever... ?

    Typical technical guy... everyone wearing only a collar and tie and you were interested in the jukebox :eek:



    And here comes John and he even sees the pearls. Why on earth would any one look...
  188. Replies
    10
    Views
    6,417

    Re: Proton24 FIR filter library and examples

    Thanks Les !
  189. Replies
    4
    Views
    2,033

    Re: Resistor Divider Program

    A newer version is available

    www.faze.co.za/ResistorDivider24.zip
  190. Replies
    2
    Views
    1,716

    pic24 part numbers explained

    I was trying to find some indication of what the pic24 part numbers mean. If one understand what you are looking at in a part number then it makes it easy to identify what is in there.
    If you take...
  191. Replies
    12
    Views
    4,652

    [SOLVED !] Re: Tmr0 interrupt interfereing with HPWM command

    A teeny weeny little logic level FET can drive a lot more current than the whole pic. I use the SOT23 package 2N7002 for all kinds of things.
  192. Replies
    4
    Views
    2,033

    Re: Resistor Divider Program

    Hi Ken, you're welcome, but you have to thank Pieter yourself if you want to or else he may think I'm sucking that bit out of my byte ;)

    Do tell what you think of it.

    The correct English way of...
  193. Replies
    4
    Views
    2,033

    Re: Resistor Divider Program

    A newer version is available for download, it can do a bit more

    www.faze.co.za/ResistorDivider22.zip
  194. Replies
    12
    Views
    4,652

    [SOLVED !] Re: Tmr0 interrupt interfereing with HPWM command

    For some reason I cannot edit my own post :frown:

    This David, is why you want a fast pic, it can then fit the resolution in and it operates more smoothly. 80 mips plus mate, go overboard :D
  195. Replies
    12
    Views
    4,652

    [SOLVED !] Re: Tmr0 interrupt interfereing with HPWM command

    Hello David,

    What does the data sheet says, do they share the same time base ?

    Another thing you may look at is the rate of the PWM, if you write a new value in quick succession then it will...
  196. Replies
    4
    Views
    2,033

    Resistor Divider Program

    Good Morning all you bit sucking, byte popping, pic welding guru's :biggrin:

    Here is something I hope you will find handy. I finally convinced my clever littler brother to write an app that can...
  197. Replies
    10
    Views
    2,329

    Re: almost rail to almost rail opamps

    Hi Ken,

    Remember that even if there is an offset, that is is not a problem. As long as the opp amp is stable then you can make this offset the A/D's "0", in other words it will count from there. ...
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    Re: almost rail to almost rail opamps

    Hi Ken, do have a look at MChip's opp amps and see if they get close to rail as expected, I used them before and though they are only for 5V and more expensive, they are not too bad. Otherwise you...
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    Re: Remote controller (RF) wheelchair

    My wife's uncle was one of the oldest ever paraplegics in a wheelchair. I always had the idea to put a decent V8 (or something) in the thing that can be electronically steered. He would have liked...
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    Re: SHOut error my code or proton anomoly?

    Poll,

    The first problem is that users do not take the time to understand how to use what they have.

    If you specify ie Xtal = 8, then that only gets the timing for the code right - IF you let...
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