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 ...

[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?

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 ...

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 ...

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 ...

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 ...

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 ...