zDispUser
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HD-C0216CIZ-FSW-FBW-3V3 requires bit banging????
I have a HD-C0216CIZ-FSW-FBW-3V3 on an Arduino Uno with 4.7k pullup resistors to a 3.3V plane (same as VDD) for the I2C bus. I'm having trouble getting the display to actually show characters.When ...