Do you have a hard time waking up like I do? TK takes us though a simple Arduino setup that creates a sunrise alarm to help you wake up to a simulated sunrise.

If you want to make your own, Instructables user Paranoid Legend shows you how to build one with an Arduino. The alarm clock is made using a Arduino Mini and a TFT screen.

An Arduino timer answer, probably I have been trying to work out how to use the the timers within 8bit AVR processors through the Arduino IDE, but in modes not covered by the IDE. Lots of people have ...

Droplet and StackAR, developed by MIT’s Media Lab, allow users to set timers or program an Arduino using light-based communication. By pressing the tool against a screen, flashes of light can ...

The project is aimed at Arduino-based circuits, but any chip with an ADC will work. The 555 timer is used as a free running oscillator.

If you want to make your own system for doing so, Instructables user ICStation shows off how to use an Arduino to do it. The system here monitors temperature, humidity, and smoke levels and alerts ...