XDA Developers on MSN

5 open-source hardware projects under $50 that replaced my consumer gadgets

The Raspberry Pi (or any capable SBC for that matter) can be a full-on replacement for many things in your networking ...
Electronics For You

Dual-Tone Single Bell For Two Doors

In modern homes, apartments, and offices, multiple entrance doors are common. Traditionally, each door requires a separate doorbell, which increases cost and ...