To force interrupts in backup battery/low power mode (~1uA), don’t solder the 10K resistor, enable Arduino internal pullups on pin 4 instead and pin-power the RTC when needed by turning pin 3 on.

So, what do you do when your Arduino project needs to operate in a remote area or as a portable device? There are LiPo battery shields available, and although they may work well, recharging ...

Code for Arduino Uno to keep Analog data and time using the real time clock and SD card datalogger shield - TSBrownie/Arduino-Uno-With-RTC-SD-Datalogger-Shield ...

Clock built from DIY 7-segment RGB LED modules, see related projects. ---------------------CLOCK BASE-------------------------- 1 Arduino Nano 328P 1 Neo6M GPS Shield ...

The Yun shield found on the Dragino website features a small SoC running OpenWrt, separated from the rest of the Arduino board with a serial connection.

In this article we discussed how RTC Module works and how we can interface it with Arduino to build DIY Arduino digital clock.

The Arduino GIGA Display Shield is sold for 60 Euros or $63.30 on the Arduino’s store. If you don’t already have an Arduino GIGA R1 WiFi board, you’ll need to purchase one for 68.70 Euros or $72.82, ...

An interesting Arduino project has been published to the Instructables website showing how an Arduino CNC shield and controller has been used to create an awesome 3 axis Arduino CNC plotter. The ...