GSM based Fire Alarm

GSM based Fire Alarm

GSM based Fire Alarm system work with few external component, you need

  • Arduino
  • GSM Modem
  • H21A1 – IR Sensor
  • 10K and 330 Ohm
  • Bread Board and Connecting Wire

GSM connect with SoftSerial, for that connect Tx and Rx with 3 and 4 pin of arduino receptively,
connect sensor emittor with 330ohm to 5v and Ground
connect sensor detector with 10K to 5v and Ground
connect sensor detector to arduino anlog pin 0

burn code and you get alert,
before buring update your mobile number

Leave a Reply

Your email address will not be published.