Make 476
Ullasmann has a ton of fantastic AVR projects, all zipped up and ready to build! (The AVR is a popular microcontroller from Atmel).

  • US Telephone Tone Generator
  • 8-Bit International Telephone Ringer
  • Pyrameter
  • Ammeter
  • RGB SlideShow
  • Temperature Recorder
  • Precision Scales
  • Input Multiplexor
  • Bio Resonator
  • Digital Ringer
  • Internet Connection. zip
  • Proportional Integral Derivitative Controller (PID)
  • Debouncer using DSP routine
  • Debouncer using A2D routine
  • Digital Low PassFilter
  • Led Light Detector
  • Power Supply Unit (PSU)
  • Maximum Power Point Tracker (MPPT)
  • RGB Color Meter
  • Color Sensor

AVR Blue Sky Projects – [via] Link.