In addition to a handful of passive components, we spy a couple of empty solder pads—perhaps to make custom LED hacks a little quicker.

Besides motherboard interconnect and vibrator sockets, we also spy a hexagonal test-point array, accessible from the bottom of the battery caddy.

The haptic vibration motor takes a little more work (heat and prying) to extract—it's well-secured with glue.

Everyone seems to be going linear-oscillator these days—iPhones, MacBooks, Pixel phones, and now VR controllers. Haptics—the simulated feel of the future.

Monolithic Power Systems MP3414DJ 1.8 A synchronous step-up converter