We are fascinated when we see machines work together, seemingly with minds of their own. The TV show “How It’s Made” became popular for simply showing how products are made in an automated factory ...

Our Radio World colleague Charles S. “Buc” Fitch, P.E., recently completed a relay interface assembly for controlling an older auxiliary transmitter. Late-model transmitters have remote control ...

Back in the day when you had to wind up your TV to watch it, licensed broadcasters were required to log transmitter meter readings every half hour, and only an FCC-licensed engineer could do it. Today ...

Members can download this article in PDF format. In this design idea, you will learn how to interface two PIC microcontrollers using a wireless 433-MHz RF transmitter/receiver pair to control up to ...

With the continuing downsizing of the technical staff at many stations, the need for simple control of the transmitting equipment becomes even more critical. Staff members are spread out thinner than ...