Arduino is a ... shield” for the Arduino Uno platform available at a low cost from most internet suppliers. Here is a circuit diagram of the multifunction shield adopted from the web (updated a bit by ...

This article describes the construction of a simple Arduino RFID Access control DIY (Do It Yourself) Project using Arduino UNO and a RFID reader module (EM-18) to control an LED and a Relay. Circuit ...

Then, chances are you already know what an Arduino ... Uno R3 in this discussion instead. One look at the Nano and Uno, and you can immediately tell how significantly different they are in terms ...