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  1. 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
  2. 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...
  3. 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...
  6. 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...
  13. Thread: hatch opener

    by fanie
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    Re: hatch opener

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

    by fanie
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    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...
  16. Thread: hatch opener

    by fanie
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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...
  17. 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...
  19. Thread: Cdata and Cread

    by fanie
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    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...
  20. 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...
  21. 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...
  22. 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...
  23. 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...
  24. 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.
  25. 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...
  26. 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...
  27. 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...
  28. 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 ?
  29. 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...
  31. 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...
  32. 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...
  33. 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...
  34. 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...
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