BlueGamepad

Emulate a gamepad with ESP32 compatible to PC/Android/Switch

This project merges two source codes to form a single firmware to be compatible with both Nintendo Switch and PC/Android. To switch between Nintendo Switch mode and PC/Android mode can be done by two options:

• Pin 15 (Button to GND)
• Holding the (+) / START button for 10 seconds

Default GPIOs

GPIO	Button
3	Stick Button Right / R3
4	Capture
5	X
12	( - ) / SELECT
13	( + ) / START
14	Dpad Right
15	Sync
16	Home
17	Y
18	A
19	B
21	Stick Button Left / L3
22	R / R1
23	L / L1
25	Dpad Up
26	Dpad Down
27	Dpad Left
32	ZL / L2
33	ZR / R2
34	Right Stick X Axis
35	Right Stick Y Axis
36	Left Stick X Axis
39	Left Stick Y Axis

Soft-buttons:

To complement the miss of some buttons in the switch controller, virtual buttons are defined

Emulated button	Obtained by pressing
L	(+) + B
R	(+) + A
ZL	(+) + L
ZR	(+) + R
Capture	(+) + Dpad Left
Home	(+) + Dpad Right

Resources used:

• https://github.com/HandHeldLegend/HOJA-LIB-ESP32
• https://github.com/lemmingDev/ESP32-BLE-Gamepad
• https://github.com/h2zero/esp-nimble-cpp
• https://github.com/h2zero/esp-nimble-component