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Power and Ground: Connect the LCD’s VSS to Arduino’s GND. Connect the LCD’s VDD to Arduino’s 5V. Contrast Adjustment: Connect the middle pin of the potentiometer to the LCD’s VO pin. Connect one side ...
The 1602A LCD Serial Backpack is a ATMEGA328 microcontroller module that mounts behind standard 16 character x 2 column LCD displays. It is essentially an Arduino Uno with a built in LCD and RS-232 ...
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