March 2, 2022 This Project Incorporates a Pair of Two 555 Timers in an Interesting Way With only two 555 timers and a whole bunch of LEDs, this small handheld creation produces mesmerizing effects Read now
October 4, 2021 MicroSynth Is a Tiny Business Card That Plays Tunes David Levi's MicroSynth features touch sensors for keys and use a pair of op-amps instead of a 555 timer to play music. Read now