Hi I am hoping someone can help me, im having an issue with my hardware and software. I found this link http://www.skillbank.co.uk/arduino/measure2.htm it uses a voltage divider with an op-amp that helps read voltages using my Arduino. However I believe I am doing something wrong, as my voltages…

Voltage Read with op-amp

JCA34F October 26, 2021, 5:09pm 14

I don't see where POWER_IN is connected to VCC, or where AVCC is connected to VCC.

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