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by dmitrygr
922 days ago
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driving raw LCDs is not hard, but tedious as you need a large (3, 4, or 5 depending on MUX settings) number of drive voltages. You are MUCH better using a chip that has a native LCD driver. Microchip has a bunch of 8-bit PICs that do. And then you can talk to it using SPI or UART from your ESP32. As for pinout - just guess and check the rows and cols. It won't take long. |
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