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    Re: Cable source in UK

    Thanks Bob. 0361TQ looks perfect for the job, and it's very flexible. Thanks.

    Charlie
  2. Re: Code for Driving 2,3 or 4 seven segment displays

    Good work Alberto.
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    Re: carriage return/line feed

    CTL/J should do it.
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    Re: Cable source in UK

    Thanks guys. Homework: if all the orange bands on the resistors in your latest project had been mis-printed as red, would it still work?

    Charlie
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    Cable source in UK

    I need some 16 sq mm cable, as flexible as possible, preferably orange, sourced in the UK.
    Can anybody help?

    Charlie
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    Re: carriage return/line feed

    "Enter" generates carriage return ($0D). Type newline $0A and whatever it is should rack up one line.
    What are you typing in to?

    Charlie
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    Re: Programmable RF oscillators

    The library of Les's stuff is brilliant! Glad I found this. I'll bet some other members aren't aware of it?
    ...
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    Re: Why a delay in TX power up?

    Just a guess Norm but perhaps the start-up surge from the actual transmitter was causing problem with the power supply?
    Do all brands of walkie talkie do it?

    Charlie
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    Re: Programmable RF oscillators

    Thanks Les. I think I will drive it so I can turn the synth board off completely, I need a very quiet environment for my precision voltage generation source.
    (The project is for calibrating scopes)...
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    Re: Programmable RF oscillators

    Ha! Lots of VERY TINY pins. I'm not sure if it's possible. But one could always tack onto one of the SM resistors.
    Stay tuned...

    Charlie

    Les: what did you connect the CE pin on the board to?...
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    Re: Programmable RF oscillators

    John: I have but I am currently doing some urgent design work which is taking most of my time. I'm itching to get the board going, I'll see what happens this weekend.
    As soon as I know, I'll let you...
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    Re: Programmable RF oscillators

    Good work Les! I can't wait to try it. Many thanks.

    Charlie
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    Re: Ferrite transformer question

    Rick: Thanks, will look into ebay Litz wire.

    Ken: Good info, will look into it. My mistake re screen between windings, that makes perfect sense.

    It makes no difference if i have just over half...
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    Re: hatch opener

    We don't ALL think in 0's and 1's. Glad to see you again.
    Charlie
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    Re: Ferrite transformer question

    Thanks Ken. I am using push-pull, it just looks neater and generates smaller transients, even though it uses more bits.
    I DO overlap the ends of the screen/shield and don't get any trouble. The...
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    Re: Ferrite transformer question

    "Metho" is what we drink while watching the cricket!
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    Re: hatch opener

    A friend of mine describes the day his daughter asked him why the red light on the dashboard of her car was on. "You need to add oil" he said.
    He went round later to find oil all over the drive...
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    Re: Ferrite transformer question

    I'm only concerned with ferrite cores, the E E type where the windings live on the central core. The output only changes in jumps of 1 turn. I think air-cored coils are different.

    As Fanie points...
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    Re: Ferrite transformer question

    Hi Rick

    That rings a distant bell: each pass through the "window" counts as a turn. I think pot-cores CAN have half-turns because there are four contact points where the two ferrite halves meet...
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    Ferrite transformer question

    Not Proton I'm afraid but could somebody who knows about designing ferrite switch mode transformers give me some help please.
    The question is this: I am designing a ferrite transformer and I know...
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    Re: Cdata and Cread

    Interesting. You're in the right place in this forum Frank, we have several helpful and supportive members.

    Best regards
    Charlie
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    Re: Why the PIC26K42

    Fanie: Good to know that you're OK. I'm OK. I have just spent a week on a sodding big cruise ship in the Norwegian fjords.

    The previous cruise ship I was on was from South Africa, your part of the...
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    Re: Proton stopped working!

    Just for the record John, Proton will compile "nothing", without any errors.

    Charlie
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    Re: RSOUT Max Speed

    Hi Chris

    The manual says: "Virtually any baud rate may be transmitted and received (within reason), but there are standard
    bauds, namely: - 300, 600, 1200, 2400, 4800, 9600, and 19200."

    It...
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    Re: Easier way to initialize EEPROM

    I don't agree with the manual. I stick Edata at the very end of the code, and it gets put into EEPROM ok.
    But on re-reading your last post I see that this might not be the case!

    ..last line of...
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    Re: Sub-EndSub and Gosub-Return

    Sourcing. It would be sinking if the LED/resistor came from +Vcc. 4mA will light a bright blue led with a 4.7k resistor (5V) very nicely.

    Thanks for the PicKit 3 info George, I will rethink.
    ...
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    Re: Sub-EndSub and Gosub-Return

    Thanks George - the 18F26K22 also does 64Mhz without external xtal. If it really had 8MB of RAM that that would be amazing! I assume you meant 8K. The 12 bit ADC is appealing and yes, I still use...
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    Re: Sub-EndSub and Gosub-Return

    That's an interesting question Les. Why, if you have discovered the wonders of the 16 bit devices, would you return to the 8 bit jobbies? I did that, and I will try to explain why I have returned to...
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    Re: My New PCB

    I've had quite a few different PCB's made by a company in China called Elcrow. (www.elcrow.com)
    Very good quality, size limit of around 10cmx10cm but the cost is remarkable: <$5 for 5 boards...
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    Re: Programmable RF oscillators

    I don't think so John. The module seems to have a "reference" input but I think this has been fulfilled with an on-board crystal.
    But I might be wrong, I am not truly comfortable in the RF area but...
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    Re: Programmable RF oscillators

    Les, John: I've just ordered from from Banggood, around 15 UK. Les, I won't be using mine until I get the other board working (25KHz-160Mhz) so I could let you play with mine if you like?

    Charlie
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    Re: Programmable RF oscillators

    Wow! Exactly what I was looking for. Many thanks John. I have started on the earlier board from Adafruit so I'll get that going first then migrate to the AD device. Yes, Banggood do it for a good...
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    Re: Programmable RF oscillators

    I got mine from the same place, 8 including shipping.
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    Re: Programmable RF oscillators

    G'day John
    Many thanks for the info: I've ordered a "little board" with the si5361a on it and am confident that I can adapt the software you provide in the Wiki. It looks like a very good starting...
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    Re: Programmable RF oscillators

    John: Just found your (and Les's) code in the Wiki, very impressive!
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