![Recently I got a second-hand Wii U and I got this Pro Controller with it as well. But how does it work? It won't turn on. I see it's possible to put Recently I got a second-hand Wii U and I got this Pro Controller with it as well. But how does it work? It won't turn on. I see it's possible to put](https://i.redd.it/0n5886mxqtj61.jpg)
Recently I got a second-hand Wii U and I got this Pro Controller with it as well. But how does it work? It won't turn on. I see it's possible to put
![Homemade RetroPie Gaming Device Modded into Wii U Pro Controller | #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers! Homemade RetroPie Gaming Device Modded into Wii U Pro Controller | #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!](https://cdn-blog.adafruit.com/uploads/2018/09/1_yOqtPtRUNbMqvYWEQ8aBXA.png)
Homemade RetroPie Gaming Device Modded into Wii U Pro Controller | #piday #raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!
![8Bitdo Wireless PS3/4 Wii Mote Wii U Pro Controller Bluetooth Adapter for Nintendo Switch, Windows, Mac & Raspberry Pi Nintendo Switch Accessories - Newegg.com 8Bitdo Wireless PS3/4 Wii Mote Wii U Pro Controller Bluetooth Adapter for Nintendo Switch, Windows, Mac & Raspberry Pi Nintendo Switch Accessories - Newegg.com](https://c1.neweggimages.com/productimage/nb640/A4RE_1316625860152302156QlXzvMJ4L.jpg)