Are you aware what a “Wordclock” is? A Wordclock is a clock that shows the time by lighting up sure letters, contained in a matrix, with a view to write the phrases equivalent to the present time. On this mission we are going to see an alternate Wordclock utilizing 3D printed letters, which is able to transfer by means of a magnetic system.
Every letter has a magnet on the again, which shall be attracted or repelled by the magnetic subject generated by a coil constructed on PCB. These coils are managed, by means of a number of DRV8912 multi-channel H bridges, with an ESP8266. The latter will permit, by means of WiFi communication, to have the ability to change the time utilizing a smartphone.