A collection of free & open source DIY synthesizer module designs for Eurorack
This project is a 1.8V STM32WB55 Bluetooth Module with battery charging. The purpose of this project is to provide a development platform for mobile wearable devices.
This repository contains the schematic for a USB-powered microphone module designed in KiCad. The circuit is based on the MAX9814 microphone amplifier and PCM2906 USB audio codec.
Easy to operate portable GPS device based on popular SIM808 module with custom antenna and data analysing software with GUI.