By now we’ve seen plenty of projects that use an ESP8266 as a form of rudimentary access control: tap a button on your smartphone, and the door to your apartment unlocks. With the power and f… ...

It’s a very slick setup, making perfect use of the ESP8266. Reading the RFID cards, updating the timer, and using IFTTT’s API keeps the little board quite busy; [Richard] says it’s ...