Needsomebody to develop or provide firmware to perform the following action:
Power on GPRS device via PWRKEY/VBAT outputs on PIC.
Send the following test message via GPRS/SMS.
<datetime> TEST1 <TestNo> where <dateime> is current time from SIM900 RTC and <TestNo> is in incrementing number starting at 1 then 2, 3 and so on...
Power off GPRS device via PWRKEy/VBAT outputs on PIC