I just received my RC522 RFID reader and made this simple Arduino access control system that uses the reader ... On the next lines you need to change the cards codes with the ones you have. You’ll ...

If you’ve worked with passive RFID before, you know that most readers only ... PCB using an Arduino Nano to interpret the reader’s output. When the reader sees a nearby card, the information ...

Electronics developer and Kickstarter serial entrepreneur Patrick Thomas Mitchell who we have featured numerous times here on Geeky Gadgets has once again taken to the crowdfunding website with ...

The Arduino had plenty of I/O to wire up with the card reader’s interface. It also had a serial interface which made outputting data a snap. The ATmega328 even had enough power to translate each ...

World Class Technologies has unveiled a new OLED Arduino screen called the Piccolino, that is also equipped with a WiFi, SRAM and a handy SD Card reader all in one handy device. Piccolino is being ...