The display is a 1.14 inch TFT LCD screen. Its keyboard is designed ... There’s also a HY2.0-4P interface for adding I2c sensors including temperature, humidity, light, or pressure sensors.

To begin, [Malebuffy] knew he would need a way to display ... decided to use Bluetooth to transmit the data from the fuel sensors to his smart phone. The system uses an older Arduino for the ...