Using: ATmega2560 microcontroller with the Arduino Bootloader I have a pressure sensor connected to 2 separate voltage buffers, one voltage buffer is fed into the arduino, the 2nd goes on into additional filtering (both signals are read directly after the buffer) the signal going into the arduino …

analogRead() adding noise to signal?

Grumpy_Mike April 8, 2012, 8:23am 12

(not shown on the schematic

I didn't stand much of a chance of spotting that error then did I?

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