Flexible PCB watch
Reading Time: < 1 minuteThe first of these was the choice of microcontroller; although he used a Raspberry Pi Pico in the prototyping stage, the RP2040 was just too big to incorporate in the final build, so he used the snappily named STM 32 UO0 83KCU6 instead. The other big challenge is that at full brightness, the watch uses […]












