Difference between revisions of "SIM800 HDK"
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Latest revision as of 13:19, 22 May 2021
Pinout Definiton
sim800 mini
sim800 mini mechanical size
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)
GPRS relay board schematic
SIM800C-Full 01
new version 03, current selling version
Obseleted Schematic
Schematic SIM800 (old)
- D2 is the Ring led. D1 is Net LED
SIM800L-Mini
SIM800C-Mini
SIM800H-Mini
SIM800 use MP1470
SIM800 to RPI
