Connect CarPC JoyCon Exd’s input channel(CH A, CH B, CH C, CH D)wire to the remote control’s
resistive signal wire.

Warning! Do not connect signal and Ground wire reversely.

Turn off DIP switch 2, turn on DIP switch 3 to use Channel A as resistive.

Turn on DIP switch 4  to use Channel B as resistive.

If the buttons in JoyCon Explorer are too close each other, tune the Adjustment A/B on the Board.
Default position of Adjustment A/B is center.