He’s using an Arduino Uno and an Ethernet breakout board to hook it up to the network. This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.

This is a code on Arduino UNO for a Burglar Alarm System Interfacing an 16x2 LCD using I2C, an RFID Sensor (MFRC522), a Buzzer (Connected between A0 and Ground) and an Ultrasonic Sensor (HC-SR04). The ...

arduino gsm security alarm. Working of the system is very simple and self-explanatory. When input power is applied to the system, the system goes into standby mode. However, when the terminals of ...

Fig. 1: Circuit diagram of the Arduino based GSM home automation system. Brain of the circuit is Arduino Uno MCU board (Board 1). PIR sensors (connected across CON4 through CON8) detect motion, and ...

Fig. 1: Circuit of Arduino-based shadow alarm. The latest Arduino Uno (refer Fig. 2) is a microcontroller board based on ATmega328. It has 14-digital input/output pins ... 1C/O), which energises for ...

Arduino Uno checks the logic level on the output pin of the sensor and performs further tasks such as activating the buzzer and LED, sending an alert message. Also, check our other fire alarm projects ...

He’s using an Arduino Uno and an Ethernet breakout board to hook it up to the network. This allows him to send text messages to himself when the alarm system is armed, disarmed, or triggered.