"Sound" existing in this world is created by vibration of objects such as air and water. A site that can interactively know such "sound formation" is "Let's Learn About Waveforms"is. On this site, it ...
While it may not be that useful for serious musical composition, the ThingamaKIT makes some nice bleeps and blips, even without modification.The LED to photoresistor input/feedback method is enjoyable ...
This article is part of the Ideas for Design Series: Vol. 3, No. 7. This simple, robust, and low-cost signal generator, based on the LM386 power amplifier IC, provides a trio of audio-band signals ...