The most popular RTC ... from 2.97V-5.5V with the typical voltage as 3.3v, a battery backup, two alarms, and a trickle charger. The breakout board here packages the DS1339 with the components and ...

Although ready-made real-time clock (RTC) modules for microcontroller projects are available in every online shop, an inspired electronics hobbyist would rather put together something from a few ...

Plug the RFID module into the breadboard with enough space around it. Connect the VCC pin to the Arduino's 3.3V (not 5V), and ...

[Kenneth Finnegan] quenches our clock-a-day compulsion with ... We like the super-cap circuit he added to keep the RTC running if the power is cut. Is an Arduino overkill here?

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I ...

Dejan Nedelkovski has built a stylish DIY touchscreen Arduino music player and alarm clock which has been ... that has been compounded with a RTC module and 3.2 inch touchscreen, which is used ...

Using an Arduino Mega, DS3231 Real Time Clock Module, Eight stepper motors 28BYJ-48 with ULN2003 Driver, 82 cm Wooden strip 19x19mm, Steel Wire 1m, 46 Washer head screw 4.2 x 14 mm, 16 Button head ...

Inside is a RTC (real time clock) with battery backup for timekeeping along with an Omron 5V relay to drive the garden lamps themselves. This particular relay comes with a switch that can force ...

DIYer Paulo Renato's solution was to hook up his lighting system to an Arduino that taps into an astronomical clock. The Arduino ... an on/off switch, a Tiny RTC, a time adjustment button, and ...