Freematics Forum

I was able to get everything working. I included the <SoftwareSerial.h> library at the top of the code and everything worked as it should.

I made sure the ground connection was made. I have isolated the problem to one of two sections of the setup function. Either obd.begin isn't working as it should or obd.init isnt't working as it should. The code gets stuck in the while (!obd.init()) loop. I have tried changing the baud rate with no ...

I the Tx and Rx signals out of the OBD adapter to the Rx and TX of Serial 1 on the Mega 2560. Do I have to use the OBD adapter to power the Mega? I have just been using my laptop.

hello, I recently purchased a Freematics OBD-II UART Adapter V2.1 (for Arduino). I am using this equipment with an Arduino Mega 2560. After downloading the library I attempted to run some of the example code. When I run the example code to flash the LED on PIN 13 when the RPM exceeds 3000 RPM, the b...