LilyGO has recently released the T-Display S3 Pro LR1121, a new ESP32-S3 development kit with a Semtech LR1121 transceiver ...
This project demonstrates Li-Fi (Light Fidelity) communication between two Arduino boards using visible light for data transmission. Text data is transmitted using an LED and a 4x4 keypad on the ...
The DISP pin is not used, just pull it to VCC. External VCOM inversion signal is used, so pull EXTCOMIN to VCC. (I don't like having SPI transactions inside interupt timers, so invert via SPI won't ...