I repaired an XBox One controller by replacing one of the joystick controls. I use an ESP32 connected to a laptop to test the values coming from the controller, as it is Bluetooth (though this part isn't completely necessary).

The ESP32 code I used (Arduino IDE):
* https://JustinNelsonsProjects.com/XBO...

Amazon Affiliate Links (I get a tiny commission if you use my links; costs you nothing extra) -- prices are in USD at the time of publishing:

The repair kit that you see in the video ($11.99):
* https://amzn.to/3RmGZcm

ISesame "Spudger" (2-pack, one large, one small, $11.49):
* https://amzn.to/4671e22

Various results for lead-based solder (make sure it's 60/40 Tin/Lead Rosin Core, 0.5mm - 0.8mm - thinner is easier to work with on small circuits):
* https://amzn.to/3LkYgiv

Rechargeable Battery 2-pack for XBox Controller ($14.99):
* https://amzn.to/3sNChdv

ESP-32 (Search Results, as stock changes often):
* https://amzn.to/45LMO7N

XBox Controller Decorative Top Shells (search results):
* https://amzn.to/3sVZDOk

For all other Amazon shopping needs, please start here:
* https://amzn.to/3HDltuY

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Background Music is the album "Fury", courtesy of CreatorMix.com

Chapters (for YouTube):
00:00 - Explanation & Diagnosis of the Problem
02:04 - What you'll Need (Tools, Parts)
03:07 - Disassembly of the Controller
07:44 - Removing the Old Joystick from Board
10:15 - Removing Solder from Pads
13:11 - First Attempt to Mount New Part...
13:52 - Realizing a Missed Step!
14:47 - Second Attempt to Mount New Part
15:23 - Solder Part into Place
16:32 - Begin Partial Reassembly
17:52 - Realizing a Motor Wire Came Off (& fixing)
18:39 - Jumped the Gun... begin Re-Reassembly
19:33 - Initial Test Partially Reassembled
20:06 - Finish Reassembly
20:48 - Sidebar - Realizing I don't own an XBOX ONE
21:18 - Final Testing with ESP32 Toy

Thanks for Watching!