Depot notes
Description
SIM900A GSM GPRS Module with RS232 Interface and SMA Antenna 12V 1 Channel Relay Module (10Amp) ~60 seconds for subsequent use ~60 seconds for subsequent use Comparator Chip LM393 dual comparator for stable digital output Indicator LEDs Power LED + Digital Output Trigger LED Sensitivity Adjustment Onboard potentiometer for digital threshold tuning Operating Temperature 20 degreesC to +50 degreesC Interface Pins VCC 4MB PSRAM provides sufficient buffer for real time image processing troubleshooting network registration status
Exchange/Return Notes
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