HydraBus open source multi-tool for anyone interested in learning/developping/debugging/hacking/Penetration Testing for basic or advanced embedded hardware

SMD to THT Breadboard Adapter PCB's for QFN, TQFP, LQFP, SOIC, SSOP, TSSOP, MSSOP and VSSOP.

a series of Schematic & PCB Layout Cases base on KiCad 6.0 .

Repository for PCB Design Projects

1/2 channel 4-20 mA to voltage converter boards using LMP8640 current sense monitor.

KiCad breakout board to make it easier to put rotary encoder on breadboard. Using SparkFun symbol and footprint by @mcous.

A GameBoy card slot breakout board.

Miscellaneous/utility/convenience hardware by Gekkio

Breakout board for the XL7105-SY-B 2.4GHz RF transceiver module

A simple mic preamp for interfacing a balanced microphone (3-Pin using XLR Connector) with PC Sound Card or other gear. This PCB Design is double sided. If you have any question, feel free to ask :)

Development Boards for the ATTiny Range of Atmel Microcontrollers including the ATTiny85, ATTiny212/ATTiny412, ATTiny814/ATTiny1614, ATTiny1616/ATTiny3216, and the ATTiny1617/ATTiny3217

My place to store and improve KiCad boards and schematics

Breakout board for the SC16IS752.

USB to UART Converter Modules using the FT230X, FT231X and CH340G

ATMega328PB Development modules which use a FTDI FT231X USB to UART controller for USB support. There are 3 voltage and frequency variations namely: 1.8V 4MHz, 3.3V 10MHz and 5V 20MHz

A MIDI Breakout board for Arduino

STM8S003F3 Breakout board and Simple STM8 C examples with the SDCC compiler

Microcontroller Development Board for the ATMega1284P which also works for the 644/324/32/16 derivatives. Fully Compatible with Arduino MightyCore

Open-source breakout board for the inexpensive BC660K modem by Quectel

Breakout board for the A7139 433MHz RF transceiver module