I am testing out a display that uses I2C. I am able to get the panel to update using values from the analog pin connected to a 10k pot. They are both powered with the 5v from the arduino. When I connect the display and do an analog read I get varying numbers within about a 50 value range (not chang…

Analog read value inconsistent

Grumpy_Mike May 17, 2014, 7:33am 5

Looks like you have no power supply decoupling on your display.

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