Freematics Forum

@stanley, thanks for your reply:

Now work, shared infor:

For ARDUINO MEGA 2560 on VW UP 2017

RED Power -> VIN
BLACK GND -> GND
White RX -> D18
Green TX -> D19

[OBD2UART.cpp]
byte COBD::begin(){
Serial.println("COBD::begin");
//long baudrates[] = {2000000,1000000,500000,250000,230400,115200 ...

Greetings,

I use "Freematics OBD-II UART Adapter V2 (for Arduino)" on my arduino mega 2560.

RED Power -> VIN
BLACK GND -> GND
White RX -> D0
Green TX -> D1

I use this code:
#include <OBD2UART.h>

COBD obd;

void setup(){
Serial.begin(9600);
Serial.println("Setup.start");
// we'll use the ...