The hardware for this project is simple. There are four infrared LEDs in simple 3D-printed housings that can be glued to the top and bottom of the TV housing and plug into a USB charger. Plus, in case you don’t have Wii gun housing, I have a simple 3D printed handle and sights that you can attach to the Wii Remote (though to save plastic, I made mine a hybrid between wood and 3D printed plastic).
The python-based software was harder to make than the hardware and is currently Linux-only. It calibrates the LEDs and the Wii Remote and then uses homography calculations to emulate an absolute mouse that works quite well in Retroarch’s fceumm NES emulator (and probably some other emulators) on my Raspberry PI 3B+.
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Python for Microcontrollers – Adafruit Daily — Python on Microcontrollers Newsletter: A New Arduino MicroPython Package Manager, How-Tos and Much More! #CircuitPython #Python #micropython @ThePSF @Raspberry_Pi
EYE on NPI – Adafruit Daily — EYE on NPI Maxim’s Himalaya uSLIC Step-Down Power Module #EyeOnNPI @maximintegrated @digikey
Each Friday is PiDay here at Adafruit! Be sure to check out our posts, tutorials and new Raspberry Pi related products. Adafruit has the largest and best selection of Raspberry Pi accessories and all the code & tutorials to get you up and running in no time!