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OBD2 Bridge for ESP32-S3
FirmwarePush car readings to a Home Assistant webhook
This ESP32-S3 firmware reads a Bluetooth LE ELM327 adapter and posts the data to a webhook. You can configure standard and custom PIDs in its local browser interface and add a wired GPS module for location data.
You need the ESP32-S3 board, an adapter with the expected BLE service and a reachable webhook. The author tested a Vgate iCar Pro 2S with two Audis; other adapter services require code changes. Home Assistant setup uses the supplied webhook and template examples.
- See live engine and battery readings
- Send car readings to Home Assistant
- Custom PID browser editor
- Direct webhook delivery
- Optional external GPS
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