A split keyboard with 6 by 3 column staggered keys and 3 thumb keys, based on the Crkbrd design
ikajdan
24
Helium is a triple 1-to-3 precision buffered multiple and 3-to-1 precision adder
wntrblm
16
The OwnVerter is an open-source 3-phase power converter that can be used to control multiple types of motors and is compatible with different types of sensors.
Level shifter shield for interfacing 3.3V Arduino boards (Due, Giga R1) with 5V RetroShield Z80 using TXB0108 ICs