[tutorial] Synth Sense: Touch and Moist Synthesizer using CD4093-Quad 2-input NAND Schmitt Trigger

In this post I’m sharing a tutorial on how to make a simple synthesizer which react to moisture and touch from human body. Originally, this synthesizer is based on quad oscillator using 4093, squarenoise~ module which I used for a workshop on Ho Chi Minh City, Vietnam.  This module is quite simple and only using several electronic components which makes it suitable for beginners or as an introduction to DIY electronics. See the video above to see how it sounds and interacts.

Continue reading