Hi, I’m trying to make a DIY “Arduino” using AtMega32-16au.( https://ww1.microchip.com/downloads/en/DeviceDoc/doc2503.pdf ) I see it has 32 I/O pins, and I’m wondering bow does the Arduino boot loader recognize them. Any help is appreciated.

SOLVED IT! When I connected the oscillator to the oscilloscope, it wasn't oscillating and upon closer inspection of the board, I realized that I connected a capacitor between the ground and xtal1 pin. All I had to do was de-solder it and it worked!

Making DIY “Arduino”

Development Tools IDE 1.x

johnwasser September 26, 2021, 3:20pm 5

This third-party core says it covers the ATmega32:

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Making DIY “Arduino”

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