16 bit Zuse Relay Adder/Subtractor with Increment/Decrement function. Device can be segmented into multiple smaller sub-adders.
Use PCB-GP for production. It has teardrops and ground-plane. If not present, it means minor tweaks are ongoing.
Relay2Tetris project details here: https://github.com/RJWoodhead/Relay2Tetris
Version 3.0 has numerous improvements, including fatter traces, better power i...