AvrDcfClock

In this project a radio controlled clock with a special presentation form of the time is build. The received time is displayed on a led-matrix with six separte fields. Every field represent a digit of a digital clock. The value of the digit is displayed via the number of illuminated leds in the field.

Witch led in a field is illuminated is choosen randomly every time the digit changes.

Photo:

Technical data:

• µController: ATMega with 8MHz
• 45 high efficiency SMD LEDs in 5 colors
• radio controlled by DCF
• supply current 50..200mA

More informations:

http://www.thomas-wedemeyer.de/elektronik/AVR/avr-dcf-clock.html (sorry, german only)

-- ThomasWedemeyer - 03 Feb 2007