Have an old Android device collecting dust somewhere that you’d like to put to better use? [Electronoobs] shows us how to ...
Arduino library for the I2C LCD display, typical 20x4 characters. The library is inspired by the excellent New-LiquidCrystal library by F. Malpartida. Therefore the interface is kept quite identical, ...
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 ...