Electronics › Electronics › Problem with GSM SIM900 module › Dear Friends, Above RESTART
July 17, 2012 at 4:19 pm #8285
Above RESTART issue has been resolved.
Actually it was power supply issue, due to insufficient input current GSM module was restarting. Initially I was using regulated supply by 7805 and Zener diode, but afterwords I replaced with variable supply by LM317 and its working fine now.