January 26, 2008
Atmel AVR HACK - Temperature Controller using Microcontroller AVR
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 an electric heating element, but the thermostat was broken, so it was ... More
November 24, 2007
DIY HACK - HOWTO make some sounds with Arduino! Sound Part 3 - Playing a Melody
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 amount of time. Generating the desired frequency big-bang style means figu ... More
