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TC1 lcr-meter transistor-tester fix

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Kim Christensen:
tedris, if you want to program your Atmega processor, then you need to connect the programmer to J4 instead!

tedris:
What will the connection pins be like? Can this be done with a programmer?

Kim Christensen:
Not 100% sure, but I think this is the pinout for J4. (Got pinout from a TC1 schematic) Double check by ohm metering between J4 and the Atmel MCU.
(Reset, SCK, MISO, 5V, MOSI, GND)

What I did to program my TC1 was connect Reset, SCK, MISO, MOSI & GND to the programmer.  Then I temporarily jumpered out the test button to keep the unit powered up during programming.

tedris:
I am using win11, could this be the reason? Were you able to do it in win11?

Kim Christensen:
I used AVRDUDE on a Win10 machine using it's legacy serial port connected to a crude programmer that I temporarily built on a breadboard. (That programmer does not work with a USB --> Serial adapter)
Why? Because I'm cheap and haven't used Atmel chips for anything else.  ;D

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