Yes, it’s an OBD-II dongle that you can build using an ESP32 WROVER module. It’s designed to read a car’s CAN bus communications and display them on a self-hosted web page, accessible over WiFi.

It’s still an ESP32, but one that’s more useful, and it’s worth a closer look because we expect it to figure in quite a few projects. Espressif’s block diagram for the chip.

The ESP32-C61-DevKitC-1 is a development board based on the ESP32-C61 low-cost WiFi 6 and Bluetooth LE 5.0 SoC that was first ...