Light2Sound LDR Synth

555SS_diagram

Build a light theremin into a musical noisemaker with Weekend Projects. This project combines a 555 timer, light-dependent resistor, LED, speaker, and some basic components into a battery-powered synth that's easy to assemble and fun to play. Read more »

Valentine LED Chaser

Screen Shot 2014-02-07 at 5.06.12 PM

The object of your desire will not be able to resist this heart shaped kitsch-o-tron, lovingly hand-crafted on perfboard with a CD4017B decade counter and 555 astable. But you probably can't go wrong with flowers and chocolates as well. Just to be on the safe side. Read more »

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