Too Long; Didn't Read
Matteo Pisani hacks Nintendo Switch's Joy-Con controller to replace it with a 3D-Touch Capacitive Trackpad. Pisani uses an Arduino, a breadboard and a bunch of jumper wires in order to test the circuit. He replaces an analog Joystick with a digital potentiometer in place of the original Analog Joystick. The best among the “Pros” bullet-points is the NO-DRIFT statement. The only difficult part here is gently handling tweezers if you have a big hand.