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- Wed Sep 19, 2018 1:52 am
- Forum: Freematics Products
- Topic: Freematics OBD-II UART Adapter V2.1 (for Arduino)
- Replies: 9
- Views: 2456
The Jumper cable is the best for fixing the pin of the Arduino. So you can check the serial activities and LED should be blinking there. After that, you can check the power of the PC's USB port and the serial controller which is the PC sending the Arduino to work to it.