I built an infrared using pretty cheap parts (infrared LED and momentary switch, ~$5). Then, I connected two Wii Remotes to my computer over Bluetooth using WiimoteWhiteboard (http://www.uweschmidt.org/wiimote-whiteboard). The drawing application is Scribbles by atebits (http://www.atebits.com/scribbles/).
You should follow me on Twitter! http://twitter.com/kevinchen
Pretty cool I would play Osu! on that.
Sk8rdude4438 5 months ago