#esp32

Redditor CoreMemory_156 built a from-scratch smartwatch on a homemade PCB — heart rate sensor, Tetris clone, and all — specifically so they'd know exactly what their watch is doing.

Daniel Ansorregui's ESP32 smartwatch pairs a built-in solar panel with e-paper and a clever RTC-memory boot trick to stretch run time to months.

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.

Three makers built an ESP32 fitness tracker where a hand-drawn pixel character mimics your current activity level instead of just logging steps.

Arnov Sharma built a Fallout-inspired wrist wearable around the Lilygo T-Display-S3 Long, an unusually wide touch display that turns out to be a near-perfect match for the Pip-Boy's interface.