Freematics
Freematics brings freedom to your telematics projects
Freematics brings freedom to telematics projects involving OBD-II, GPS, MEMS sensor and wireless technologies based on open-source hardware.
Freematics ONE - ATmega328 based Arduino programmable vehicle telemetry prototyping platform
http://freematics.com/products/freematics-one/
Freematics ONE+ - ESP32 based Arduino programmable vehicle telemetry prototyping platform
http://freematics.com/products/freematics-one-plus/