A business card is a convenient way to share your contact information, but it’s unfortunately prone to being thrown away or forgotten. PCB business cards try to get around this problem, but while ...

The R200 is a UHF RFID module based on the EPC Gen-2 (ISO18000-6C) protocol. What does that mean in practice? Well, it can read up to 60 tags per second, at a range of 20m... The board I bought uses a ...

This project implements a smart traffic signal system using Arduino UNO, ultrasonic distance sensors, and LED signals. The system controls traffic signals at a junction by dynamically adjusting the ...