OpenRetroPad

Adapt various input devices to various output devices.

Currently supported inputs: SNES/NES, Sega Genesis/Megadrive/Atari, Playstation (and PS2) Digital and Dual shock, Nintendo 64, Nintendo Gamecube

Currently supported outputs: bluetooth-hid gamepad, usb-hid gamepad, nintendo switch usb gamepad, wireless usb-hid gamepad over radio

Build using PlatformIO using pio run or pio run -e $board-$input-$output for a specific target/env.

env's are laid out like $board-$input-$output supported values:

• $board: micro, esp32
• $input: snes, genesis, psx, n64, gc, radio, debug
• $output: radio, usb, usbradio, switchusb, bt, debug
• please note not all boards are compatible with all inputs/outputs, for example esp32 can only do bt, micro can only do radio or usb

Wiring

(quick plea: if you are good at drawing diagrams, please help!)

DB-25 Male Pins	Arduino Pro Micro GPIO	ESP32 GPIO
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	11
12	-
13	-
14	14
15	15
16	16
17	-
18	18
19	19
20	20
21	21
22	-
23	3.3V VCC
24	5V VCC
25	GND

Credits / Links

Code and/or inspiration was (or will be) taken from these places, in no particular order:

• ESP32-BLE-Gamepad
• DaemonBite-Retro-Controllers-USB
• Arduino-USB-HID-RetroJoystickAdapter
• BlueCubeMod
• OpenSwitchPad
• arduino-n64-controller-library
• N64toiQue
• dreamcast_usb
• SNES-NRF24
• https://github.com/NicoHood/Nintendo
• https://github.com/darthcloud/BlueRetro
• https://github.com/raphnet/gc_n64_usb-v3