How to build a Smoke and Fire Alarm System using Arduino with SMS Notification Learn how to build a WiFi-based fire and smoke alarm system using Arduino UNO R4 that sends real-time SMS notifications through the Circuit Digest API for emergencies, without requiring a GSM module. ...

DIY Fire & Smoke Alarm with Arduino UNO R4 and SMS Alerts
Learn how to build a #Wi-Fi-enabled #smokealarm system using the #ArduinoUNOR4. Uses flame and MQ2 smoke sensors to detect hazards and sends #SMSalerts via #CircuitDigestCloudAPI, no GSM module required!
circuitdigest.com/microcontrol...