ProtoPIC Blog

One cold and blustery morning, Ewan had an idea! "How about using a micro:bit with a distance sensor and a haptic feedback driver to create an Electronic "white stick". This task was handed to myself, and after reading a few data sheets, I designed a circuit and then a PCB that can mount to a micro:bit. The PCB has a ST VL53L0X 'Time of Flight' sensor to measure the distance (this works up to around 1.2 Meters and down as low as 30mm) and a TI DRV2605 haptic feedback dri …