V-LED This is the VCC pin of the LED. Connect this pin to the 5V pin of the Arduino with a 150Ω Current Limiting Resistor. LED-GND This is the Ground Pin of the LED. Connect this pin to the Ground pin ...

Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

This project unveils a compact and efficient fire alarm system, thoughtfully crafted using the versatile Arduino Uno microcontroller 🤖 and an IR (Infrared) sensor 🌟. Designed with safety in mind 🛡️ ...

There are many energy meters out there either with DIY hardware or commercial meters, which need to be permanently installed in your electrical switchboard. Before starting this project, I was ...