Open-source wearable custom circuit boards; computer hardware subassemblies for assembling custom electrical and electronic devices; computer hardware kits for making electronic projects consisting of cables, wires, circuit boards, connectors, LEDs, resistors, push buttons, tilt sensors, motion sensors, microphones, piezoelectric vibration sensors, speakers, headphones, motors and/or integrated circuits; Computer hardware board with a pre-installed web server and software which implements an integrated development environment for making electronic projects in the nature of musical instruments, audio generators and effects, digital artworks, robotics, internet of things devices, and interactive digital systems with sensors, lights and sound; custom circuit boards with embedded computer hardware subassemblies for processing audio and/or sensor signals; computer software, namely, low-level software architecture for processing audio and/or sensor data and for developing code for processing audio and/or sensor data; combination custom circuit boards with embedded computer hardware subassemblies and low-level software architecture for processing audio and/or sensor signals and data

Electronic musical instruments