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.

system March 31, 2012, 2:04am 9

Yeah, a real circuit. I had the LM358 sitting there anyway, just changed the resistors.

Perfect, thanks Nick, you just saved me a lot of trouble.

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