Please explain how to connect this handy. Using 11,12 pins as rx, tx, gnd from accumulator. Is it nessesory to connect pins 1-4-9? Still have no connection with retrofit. Any cable modifications? Thanx in advanse
p.s Found nothing useful on this topic in old postes
Originally posted by dimon
Please explain how to connect this handy. Using 11,12 pins as rx, tx, gnd from accumulator. Is it nessesory to connect pins 1-4-9? Still have no connection with retrofit. Any cable modifications? Thanx in advanse
p.s Found nothing useful on this topic in old postes
You must connect 1, 4 and 9 to GND ( no GND from accumulator needed ) and use external power for MAX232 ( or use big capacitor in front of 7805, something about 500 uF ). Conect switched off mobile to cable, click switch on and then connect.
Retrofit returns "Test completed"
Jarys