4 channel digital TV multiplexer and modulator

Always wanted to run your own TV station? Now you can. Here is a project that lets you encode 4 video and audio channels and broadcasts it on a set radio frequency. The schematic and board files are available for anyone wanting to build their own. The TV transmitter we present today generates a stream […]

Blast from past: Automatic shutdown timer for TVs

Back in the 80s when very few TVs had remotes, let alone automatic shutdown timer, Victor decided to build exactly that for his grandfathers TV. After a set interval an LED turns on indicating that the timer has expired, if a button isn’t pressed within a few seconds the TV is turned off. My grandfather […]