The most popular RTC for the Arduino is the DS1307. However, it does have some drawbacks, the most notable of which is that its operating voltage is 5v, which means it cannot be used with 3.3v ...

Arduino project ( LCD display, RTC, Arduino UNO), nodejs server, html + css web page - tomislavbakic/digital-watch-arduino ...

RTC Module configuration for setting RTC time . Contribute to eliki-hue/arduino-RTC-module-time-config development by creating an account on GitHub.

[Stewart] tipped us about his very nice project: pokewithastick. It is an Arduino compatible board (hardware, not footprint) based on the ATMEGA1284P which can be programmed to collect and post dat… ...

Learn to build an RFID based attendance system using Arduino with step-by-step instructions, circuit diagrams, and complete code. This $35 DIY project replaces expensive commercial systems with ...