A PlatformIO project for testing LoRa communication between two Arduino Nano units with 1602 LCD displays. One unit transmits text messages, and the other receives and displays them on its LCD screen.
Tools → Board → Arduino AVR Boards → Arduino Nano Tools → Processor → ATmega328P (Old Bootloader) Tools → Port → select the USB port (on Mac it looks like /dev/cu.usbserial-*) ...
Learn how to easily adjust the contrast of a 1602 LCD display using Arduino. In this quick tutorial, I’ll show you a simple trick to control the contrast electronically, without relying solely on the ...
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