GitHub

This Arduino UNO project involves using a SIM800H module for power surveillance and sending SMS alerts in case of a power outage or restoration.

• GND: Connected to Arduino UNO GND. • +SPKR and -SPKR: Not connected (NC). • RST: Not connected (NC). • PS: Connected to a blue LED (+) with the other end of the LED (-) connected to a power source ...
GitHub

Combination of an RFID reader and a GSM module connected to an Arduino board. It send RFID tag details via SMS.

This project involves the combination of an RFID reader and a GSM module connected to an Arduino board. The system detects the proximity of one or more RFID chips registered in advance and each ...