Well, it is a Real Time Clock (RTC) IC that is simple to use, low cost and easy available. The IC basically is able to count the date and time accurately and it will continue its counting if the ...

Posted in clock hacks Tagged 16x2 LCD, arduino, character display, character lcd, digital clock, hd44780, i2c Post navigation ← Retrocomputing With Modern Hardware, No Emulation Required ...

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, ... 0 comments on “ MAX DS1339 RTC real time ...

Adapter for Arduino Micro/Nano, RTC real time clock and NPS nixie power supply modules are included. Before buying, read project description.” Watch this video on YouTube .

He’s made a real-time-clock module controlled by a rubidium frequency standard, ... and GPS module together with an ATMega32U4 miniature Arduino-compatible board and an LCD display.

The idea here is to use a cheap clock from IKEA, wire in a bunch of LEDs, connect and Arduino, and then use the 1Sheeld to trigger color changes depending on the traffic time between two points.

The Arduino uses latitude and longitude to help decide when to click on the lights, so it's incredibly accurate. Otherwise, the build just includes an on/off switch, a Tiny RTC, a time adjustment ...