6 layers52.8 × 61.2 mm

GameboyCartridgeV2.1
hazy2go/kagiboy
A hardware wallet that lives in a Game Boy cartridge. Real ROM, Solana + EVM, every signature approved on the Game Boy's own screen.
141 partsMIT
Boards in 2 GitHub repositories, designed in KiCad, that use the SN74LVC3G34DCTR by Texas Instruments (-40℃~+125℃ 1 1.4ns@3.3V,50pF 1.65V~5.5V 10uA 24mA 3 32mA 74LVC Unidirectional MSOP-8-2.8mm Buffers, Drivers, Receivers, Transceivers ROHS). See how each wires it, with its parts, size, README and files; the SN74LVC3G34DCTR’s symbol, footprint and pinout are on its own page.

hazy2go/kagiboy
A hardware wallet that lives in a Game Boy cartridge. Real ROM, Solana + EVM, every signature approved on the Game Boy's own screen.
