This project demonstrates how to create an anti-sleep alarm system for drivers using an Arduino Nano and a Relay Module. The system detects signs of drowsiness or fatigue in the driver and triggers an ...

Arduino ultrasonic alarm A beta version of my burglar alarm using an Arduino Uno-like microcontroller and a ESP8266 ESP-01 WiFi module.

In this article, we will differentiate between Active and Passive buzzers and also learn how to use active buzzers and passive buzzers with Arduino.