Si I broke the USB connector on my Ender 3 and it was intermittently not running the extruder motor during prints so I decided to buy a cheap mobo to replace the factory one. I will detail what I have done in this thread.

Here is the mobo I bought: https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

I have already installed the mobo and I am getting ready to modify the firmware for my bltouch. Here are some pics while you wait for more:

Yes they included the rubber ducky:


Next to the factory mobo:


Installed: