Freematics Forum

Hi everybody,

I have an issue with my OBD2 UART adapter

I read speed, rpm and voltage with no problem but ambient temperature gives me a completely wrong value

Is there some calculation to make with that value or am I missing something?

Thank you

Hi everyone, I just received my UART OBD2 adapter and did a quick sketch to try it I am reading the following PIDs: obd.read(PID_RPM, rpm); obd.read(PID_AMBIENT_TEMP, temp); obd.read(PID_SPEED, vitesse); obd.read(PID_CONTROL_MODULE_VOLTAGE, volt); Everything is fine exept for the Ambient temp which ...