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#custom-pcb
3 posts

electronic
Jun 26, 2026
This Watch Tells Time With A Single Needle On An Analog Meter
Sahko repurposed an analog coil meter movement as a watch face, driven by a Raspberry Pi Pico through a DAC, in a CNC-milled aluminum case.

electronic
Jun 26, 2026
This Pebble-Inspired Smartwatch Is On Its Fifth PCB Revision
Matthew James Bellafaire built an ESP32 smartwatch designed to put full control back in the user's hands, iterating through five hardware revisions to get there.

electronic
Jun 26, 2026
A Custom Smartwatch Built To Make Diabetes Monitoring Easier For A Kid
Andrew Childs built his son a custom ESP32-S3 smartwatch that pulls in Dexcom CGM data over BLE, after deciding a strapped-on Apple Watch wasn't the right fit for a nine-year-old.