SIM800 HDK
Pinout Definiton
SIM800 Board Series Details
Net LED:
- Off SIM800H/L is not running
- 64ms On/800ms Off SIM800H/L not registered the network
- 64ms On/3000ms Off SIM800H/L registered the network
- 64ms On/800ms Off GPRS communication is established
Ring LED: when module receives the call or a message, this LED will be off or Flash
SIM800C SCH
Schematic of new SIM800 Mini (selling)
Obseleted Schematic
Schematic SIM800 (old)
- D2 is the Ring led. D1 is Net LED