This project shows how to connect an LCD screen to an Arduino Mega 2560 and use potentiometers (knobs) to adjust the screen’s contrast and control an extra function, like brightness. Explaining the ...
LCD Pin Description: Pin Name Pin Number Description VSS 1 Ground (GND) VDD 2 Power supply (5V) VO 3 Contrast adjustment (via a potentiometer) RS 4 Register Select (command/data mode) RW 5 Read/Write ...
Charlieplexing is a technique of controlling many LEDs using a few I/O pins. Charlieplexing is same as multiplexing, but it uses the tri-state logic (high, low input) to reduce the number of pins ...
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