obd ii - OBD ll (elm327) data exchange over Bluetooth -

obd ii - OBD ll (elm327) data exchange over Bluetooth -

i develope android application can read(and send) info obd2 , show in real time. question optimal frequency reading info , sending commands obd? example, when create initialization of obd 4 commands 1 after another, init fails. can executed successfuly... if create init 500ms delay between commands ok. now, when send command obd, how much time suppose wait reply sure getting ok? there way know or seek different delays in real time? thanx

optimal frequency sending commands depends on obd-ii device, depends on auto using. not create much sense optimize that. take safe time when testing , play hard-coded delay.

a improve way solve this, send command. wait response, obd-ii device busy handling command. when receive response, that's trigger utilize send next command in queue.

the obd-ii device handles 1 command @ time, more stable , effective method send data.

obd-ii elm327