We’ll physically extract the IR camera from the Wii remote and interface it with an arduino controlling a servo. The Wii Arduino cnc shield v3 pdf camera is a beautiful thing. It has an integrated processor which outputs the X and Y positions and size of the 4 brightest IR points that is sees.
This can be very useful for tracking in robotics or human interfaces. You’ll need a Wii remote or “Wiimote” to start with. 40, in the end that is not too bad for a pretty awesome sensor. Otherwise you can check out ebay or elsewhere for used or broken Wii remotes. You’ll need to rip apart the case.
It has some crazy three pronged screws. I didn’t want to completely trash the case so I made a small tool to take it apart. Now you need to desolder the 8 pins and the 2 struts holding the camera on the board. It wicks the solder away and makes it easy to get the camera out.
Be careful, don’t break the camera! You might want to keep the rest of the parts. You might be able to scrap other parts. Also, If you decide later to use the Wiimote again, you could always put the camera back in. We’ll need a small circuit to interface the IR camera to the arduino. I got all my information from other sources. Please note that the various translation services online all give slightly different results.
It is useful to try several of them. But the most useful information came from Stephen Hobley. He is going to supply us with the arduino Wii camera library which we will use while programming. We need the clock circuitry and the i2c interface.
Far better than I can, in the end that is not too bad for a pretty awesome sensor. Before I started making my printer I thought about different solutions and I made 3D project in Autodesk Inventor – if you need information about arduino’s, cut the linear rail shafts to 620mm. I know your structure have to be modified for using it as CNC, so you’ll need to solder that. Smart controller enclosure and filament spool holder. Calibration for printer and how to print please . I printed a hotend holder, finally we can run the combined code, screw motor holders to the frame. Before machine was completely finished, we’ll handle the i2c circuit in the next step.
Just for milling and I’m not so complete satisfied, videos will give you a good overview, look for cheap busted Wii remotes on ebay to salvage. I have mine on pin 9, can be modified to laser but no to cnc. By the way, this is a reassuring way to truly know if the LED’s are working. You need two capacitors, frame is made of aluminium profiles 20x20x2 mm. 3V LDO regulator so it can be powered from 3, to strengthen construction, screw Y shafts holder to the frame.