iwattnick
iWattnick: the ultimate e-bike computer
iWattnick aims to be a top-class computer for e-bikes, e-scooters, e-motorcycles. It is equipped with a large B/W screen, two buttons, accelerometer, magnitometer, current and voltage sensors, light sensor, internal temperature sensor, battery-backed real-time clock, a buzzer and has connection ports for external speed sensor (motor Hall, phase or reed switch), a Bluetooth SPP dongle, up to three temperature sensors (TMP36, LM35, KTY83 etc), cadence sensor, throttle handle, output to controller...