How would I go about interfacing an arduino with an old joystick from a wheelchair?
I have obtained a joystick module from an electric wheelchair. The board says DYNAMIC CONTROLS (C) Mar 2011 GPC80830 REV E. On the underside of the board, there seems to be test pads labeled the following: +5, MOSI, SCK, MISO, RST. Slightly to the right of +5 is a test pad that says 0V. Below are pads labeled SBL and SBH. Slightly more to the right of 0V is a pad labeled SB+D. Finally, furthest to the right are test pads BCN, BC, and BCP. On the top side of the board there is an ATMEGA8A AU 1114 Micro-controller and an empty 5 pin through hole connector.
Also soldered onto the board is a joystick that consists of a coil and 4 smaller coils soldered to the board in a + configuration around it (Some sort of EMF sensors?), a weird 4 pin connector and a 3 pin programming port resembling an XLR connector.