![How to identify an unknown LCD pins from scrap, and use it for Arduino - Electrical Engineering Stack Exchange How to identify an unknown LCD pins from scrap, and use it for Arduino - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/wDu23.jpg)
How to identify an unknown LCD pins from scrap, and use it for Arduino - Electrical Engineering Stack Exchange
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Amazon.com: SunFounder LCD1602 Module with 3.3V Backlight Compatible with Arduino R3 Mega2560 Raspberry Pi 16x2 Character White on Blue Background : Electronics
![How to identify an unknown LCD pins from scrap, and use it for Arduino - Electrical Engineering Stack Exchange How to identify an unknown LCD pins from scrap, and use it for Arduino - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/UiBpa.jpg)