Introducing the OBD-II UART Adapter for Arduino (with built-in MPU-6050) - Other Hardware Development - Arduino Forum

The OBD-II UART Adapter for Arduino works as a data bridge between vehicle's OBD-II port and the serial UART of Arduino, used for reading out data such as speed or engine RPM from car's ECU computer. With dedicated Arduino library, it is extremely simple to perform a readout on Arduino. The adapter embeds a MPU-6050 accelerometer/gyro/temperature sensor module inside with I2C interface. The accelerometer can be used for measuring a car's acceleration and steering G-force. The gyroscope can be us

Introducing the OBD-II UART Adapter for Arduino (with built-in MPU-6050) - Other Hardware Development - Arduino Forum

OBD & GPS

My home-brew Arduino OBD-II connection kit - Other Hardware Development - Arduino Forum

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Input devices

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My home-brew Arduino OBD-II connection kit - Other Hardware Development - Arduino Forum

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SOLVED] Failed to connect to ESP32: Timed out waiting for packet header

Freematics OBD-II UART Adapter V2.1 (for Arduino)