Keyboard mappings for the NES30 series of gamepad controllers, in Bluetooth keyboard mode.

NES30 Keyboard Map - Player 1

DPAD Up -> c
DPAD Down -> d
DPAD Left -> e
DPAD Right -> f

L Analog Left -> Left Arrow
L Analog Right -> Right Arrow
L Analog Up -> Up Arrow
L Analog Down -> Down Arrow

R Analog Left -> 4
R Analog Right -> b
R Analog Up -> a
R Analog Down -> 3

Button A -> g
Button B -> j
Button X -> h
Button Y -> i

L1 -> k
L2 -> l
R1 -> m
R2 -> 2

Select -> n
Start -> o

NES30 Keyboard Map - Player 2

DPAD Up -> p
DPAD Down -> q
DPAD Left -> r
DPAD Right -> a

L Analog Left -> Left Arrow
L Analog Right -> Right Arrow
L Analog Up -> Up Arrow
L Analog Down -> Down Arrow

R Analog Left -> 4
R Analog Right -> b
R Analog Up -> a
R Analog Down -> 3 

Button A -> b
Button B -> u
Button X -> s
Button Y -> t

L1 -> v
L2 -> z
R1 -> w
R2 -> 1

Select -> x
Start -> y