Two-wire transmitters eliminate the need for an additional pin because data and power are sent over the same wire. In this article we specifically discuss the communication interfaces used during ...

Can't hear the doorbell from the back of the house? It's easy to correct that by adding a second doorbell chime.

We contacted Mark Hamilton at M.A.D. Enterprises about the battery relocation and wiring for our Real Street project. We've used M.A.D.'s products in the past on Editor Turner's '89 notch, and we ...