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 acts as the brains of the operation while an off-the-shelf NFC/RFID reader module is used to read the RFID tags. To add new keys to the system, [Jason] simply swipes his “master ...

Arduino Uno/Nano & TinyRTC DS1307 Module * Arduino IDE: 1.6.9 * Based on RTClib Library & Wire Library * Authored by T.K.Hareendran/2019 * Published by www.edn.com */ #include <RTClib.h> // RTC ...

[Barzok] has a very minimal clock build. It takes a handful of LED arrays with an integrated driver, an Arduino Nano, a real-time clock module, and a voltage regulator. The software uses a custom ...