It’s hard to think of a home improvement project that doesn’t involve sandpaper. Woodworkers use it to smooth and shape wood.

All these projects start with surface prep. Traditionally, this process involves sanding off the paint or poly completely, or ...

The problem is, there is no data sheet. Wanting to use this chip, [David] turned to sandpaper to figure out the pinout of this chip. The best example of a product that came with this chip is a ...