gauravpatni55
Newbie level 4
hi
i m using Sim 548 modem but every time i gett responce -------
RDY
+CPIN: NOT INSERTED
+CFUN: 1
i have used
1.LM317 for 3.9V , used 100uf /25v Cap between Vbat & GND
2.10k pullup between data pin & pin 6 of simcard i.e. sim suply
3. 0.22uf cap between vdd & GND of sim card
4. but i havent use series resistance between any pin .
also my debug port is not working .. absolutely no communication on it ...
i tried hard to solve al this problem but nouse...
plz help me out.....
i m using Sim 548 modem but every time i gett responce -------
RDY
+CPIN: NOT INSERTED
+CFUN: 1
i have used
1.LM317 for 3.9V , used 100uf /25v Cap between Vbat & GND
2.10k pullup between data pin & pin 6 of simcard i.e. sim suply
3. 0.22uf cap between vdd & GND of sim card
4. but i havent use series resistance between any pin .
also my debug port is not working .. absolutely no communication on it ...
i tried hard to solve al this problem but nouse...
plz help me out.....