Tag: bluetooth

2 posts tagged with "bluetooth".

Pairing an ESP32 with an OBD-II adapter over BLE

17th August 2026, 3:29pm · 8 min read

Two days getting an ESP32 to talk to an OBD-II adapter over Bluetooth Low Energy. Everything negotiated correctly and not one byte arrived.

Swapping the ESP32 for a Bluetooth gamepad

30th June 2026, 1:14am · 5 min read

I picked an ESP32-C6 for the controller bridge and learned that BLE-only is a property of the silicon, so the fix was a different chip and one build flag.