Our schematic consists on 3 elements which are: Photoresistor (LDR), Piezo Buzzer, 1 – 10 kΩ. The LDR can be connected any way you want because doesn’t have polarity. For resistance you can use from 1 ...

Fire-Fighting Robot using Arduino 🚒 This project is a line-following fire-fighting robot built with Arduino UNO, designed to detect fire and automatically extinguish it using a water pump and ...

In the microcontroller era today, Arduino is more than just a tool to accomplish hobby tasks. There is actually a close relationship between microcontroller technology and home security, since you can ...