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  1. Re: "Variable already an alias" - is there a way to avoid this?

    We aren't looking for fencing on an electronics forum.
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    818

    Re: Positive Feedback?

    Thank you Lester. It works now.
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    818

    Re: Positive Feedback?

    The green thumb does not work for me. It says I first have to register. I'm registered and signed in.
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    506

    Re: Programming problem

    I get that same error with my U2 with PIC16F819. The message will either be "Target device does not match specified device", "Configuration verify error at 0000" or "Configuration verify error at...
  5. Re: any chance to decode rc6 philips protocol?

    Google Phillips RC6 protocol. This is one of many that comes up.
    http://www.pcbheaven.com/userpages/The_Philips_RC6_Protocol/
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    Re: Matrix keyboard with State Machine

    I did this a long time ago with a 4X4 membrane switch to play messages on an ISD chip.

    Low PORTC.7
    Pause 1
    IF PORTB.4 = 0 Then MESSAGE1
    IF PORTB.2 = 0 Then MESSAGE9
    High PORTC.7

    Low...
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    Re: Advice on melabs programmer

    The PIC's that are programming properly are 8 pin 12F629, 12F675 and 12F683. The 28 pin PIC's programming properly are 16F73 and 16F872. It's only the 16F819 that doesn't work.
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    1,109

    Advice on melabs programmer

    I recently bought a U2 melabs programmer. It programs 5 different PIC's without a problem. However it will not program a 16F819. All I get is "TARGET DEVICE DOES NOT MATCH SELECTED DEVICE." Any ideas...
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    Re: Home Theater IR Remote Light Switch

    I like the way you snuck in that link right after your first word "Well(link).
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    Re: Compiler (PBP v2.50C) errors

    I am now going through something similar. Out of the blue my PicStart Plus at the office won't program 16LF819. I also have another one there and I get the same error readings. However both program 8...
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    why are we getting hit with all this spam?

    It seems like this just started recently.
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    Re: Audio player

    We were doing this with an ISD5008. When that was discontinued we started moving into an ISD4003-08MPY. That was recently discontinued and are moving into an ISD17240. With a 4KHZ sampling frequency...
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    Re: Can't program a 12LF1840?

    https://www.findchips.com/search/12f683
  14. Re: How to do bitwise shift across several variables/array members?

    Are you using the shiftout command? If so you can select MSB or LSB first.
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    Re: Microchip Chip Shortage

    Are you looking for a particular Microchip part?
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    Re: Active low transmitter question

    I'm sure by "spec's" he means how much current does the relay draw.
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    Re: Active low transmitter question

    I agree Richard. It's like putting a Ferrari engine on a lawnmower. At work we have a small PCB with an 8-pin PIC and 4 of these mosfets. It replaces about a dozen different subassemblies in products...
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    Re: Active low transmitter question

    Yes, although I use a 47K across gate to source. Either way it will work. EDIT Note there is a L in the part number for Logic Level. It is NOT the standard F.
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    Re: Active low transmitter question

    Never tried 2N7000 but for 3V outputs, we use an IRLZ44N. It's a power mosfet that we use to switch up to a couple of amps without needing a heatsink.
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    Re: SHIFTOUT MSB/LSBFIRST clarification

    You will send 00000011.
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    Re: SHIFTOUT MSB/LSBFIRST clarification

    I haven't done this in a long time but here is a snippet of code I used to send by SPI to a device:

    Low PORTA.3 : Pause 10 'CHIP SELECT
    ShiftOut PORTC.5,PORTC.3,0,[9254\16] 'playconfig0
    ShiftOut...
  22. Re: Crystal oscillator variability between PICs?

    It's working for me now.
  23. Re: Crystal oscillator variability between PICs?

    Well I didn't receive a notification that this thread was replied to. I guess it's still not working.
  24. Re: Crystal oscillator variability between PICs?

    Yes same problem here. I used to but not anymore.
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    Re: Logical AND/OR/ Sequencing question

    Why not simply:

    IF (A=2) THEN
    IF (A=1) AND (B<6) THEN
    IF (B<6) AND (A=2) THEN
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