T&L Publications

I've used three receivers for most of my trials. That doesn't change the fact that a signal intended for one receiver interferes with another receiver. I suppose if they were dramatically different in frequency that would work but I'm unaware of any commercial devices or simple circuits that will al...

I am designing a game that requires three players to wirelessly signal a central unit whether their 'buzz in with the answer' button is pushed. I had great success modifying Radio Shack wireless doorbells because they have three different channels with three different carrier frequencies. Unfortunat...

I'm trying to build a device that can 'import' some keypresses into my PC for a game I'm writing. (Think Jeopardy and three player buzzers.)<p>Currently, I scavenged a Gravis USB controller and solder my pushbuttons across the button connections of the PC board of the controller.<p>But this can be c...