So, I ordered this opamp called the MCP602 on a recommendation. The idea was to run it on the arduino 0-5v power, amplifying my guitar (AC 300mv max), and then reading the output with the arduino ADC. I posted my circuit image below, as well as the simulation output image. Unfortunately the MCP602…

Op amp woes.

MarkT March 31, 2012, 1:11am 2

Your signal ground needs to be something like 2.5V

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