Writing

Notes and write-ups about things I’ve built.

• E Ink backpack pin/patch

  March 2025 · Paged Out! #6, hardware section (PDF)

• PixelPin: an E Ink badge over Bluetooth

  February 2025

  Building PixelPin, a wearable ESP32 E Ink badge: a custom Bluetooth Low Energy protocol, packing images into 1-bit framebuffers, and a Flutter companion app.