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#13756
Colin Blakely
Participant

Progress! Without chip in, pin 3 is reading 4.35V and pin 5 is reading 4.45V so the chip is creating the higher voltage. Do I have a bad chip or the wrong one? Here is what I am using: https://www.digikey.com/product-detail/en/texas-instruments/TL072CP/296-1775-5-ND/277421).

Thanks