Check out the Atmel AVR temperature controller hack, although I made a better one last year that can be controlled via ethernet, the case looks awesome! Wine doesn’t like subzero temperatures, and during wintertime, my “winecellar” got pretty cold. There was ...

Check out the Part 3 of “HOWTO make sounds with Ardunio” and learn to play melody. Bit-Banging Sound To bit-bang sound we toggle an output pin at the desired frequency. To play a musical note, we need to use specific frequencies and play the sound for a specific amou ...