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GrechTech RetroRosetta Base Unit

• Use modern wireless controllers with a wide range of older consoles
• Multiplayer 1-4 port/controller cable options with multitap support for some systems (Up to 12 players).
• Full remapping support, with rumble support and memory saves (N64/Dreamcast) available via bluetooth web config
• Works directly with cables for PS1, PS2, 3DO, Master System, Genesis (Mega Drive), Saturn, Dreamcast, NES, SNES, N64, GameCube, Mini NES / SNES Classic, Wii / Wii U (GC and remote Ext ports), and Atari joystick (DE9) for Atari 2600/7800, Commodore, MSX, Sinclair, etc.
• Wireless controllers for Wii, Wii U, Switch, PS3, PS4, PS5, Xbox One & Xbox Series X|S are supported, as well as controllers from 8bitdo, Retro-Bit, RetroFighters, and many GameCube style wireless controllers for an authentic experience. Many other generic Bluetooth gamepads will also work.
• Supports Bluetooth mouse and keyboard inputs, as well as outputs, for mimicking rare official mouse and keyboard attachments for some systems.
• Supports up to 7 simultaneous Bluetooth connections - Up to 12 controllers can be used with Wii + Classic Controller or similar setups.
• Power usually provided from the console - USB C power only required for a handful of systems: Wii-Ext, CD-i or vintage PCs)
• Supports open source BlueRetro firmware with a portion of profits going to the developer
• Open specification connector with 3D case CAD models available for all

Console support

• = on games with multitap support

PS1 / PS2

2 Port max (Up to 4 players per port on PS1 games*), rumble support, Flightstick, Lightspan keyboard and PSX Mouse emulation

Atari / Sega 8-bit / MSX / Commodore / etc

2 Port max, USB power required

Sega Genesis / Mega Drive

2 Port max, 3 and 6 button support, Genesis Mouse emulation

Saturn

2 Port max, (Upto 6 players per port*) Digital and Analog Mode button support, Saturn Keyboard and Mouse emulation

Dreamcast

4 Port max, VMU memory support, Dreamcast Mouse and keyboard and alternate controller emulation

NES

2 Port max, Hori Trackball mouse emulation

SNES

2 Port max, SNES Mouse emulation

N64

4 Port max, rumble and memory support N64 Mouse and Randnet keyboard emulation

GameCube

4 Port max, rumble support, DualSense trigger click force feedback, GameCube keyboard emulation

Wii-Ext

2 Port max, USB power required, emulates Wii / NES / SNES Mini Classic Controller or Classic Pro (Digital and Analog trigger modes)

CDi

1 Port max (2 Players / devices supported over 1 cable), USB power required, Mouse and Keyboard (K, X and T type) emulation

What is included?

DIY Kit (Requires soldering skills)

• 1x GrechTech BlueRetro Adaptor Case
• 1x GrechTech BlueRetro Adaptor Case Bottom Piece
• 1x GrechTech BlueRetro Adaptor PCB
• All individual PCB components
• 3x M2 x 8mm self-tapping screws
• 1x ESP32-WROOM-32E
• BlueRetro firmware supported

Documentation available here Rosetta Wiki