An AVR project that tests the DiSEqC swtiches which use 1.0 or 1.1 protocols. Additionally the tester supports 22 kHz tone mode. An AVR project that tests the DiSEqC swtiches which use 1.0 or 1.1 ...

In 2015, there’s not much question about audio storage, transmission, or streaming: it’s digital. Apart from rare sightings of vinyl or open-reel tape in boutique sales or creative enclaves, audio is ...

Replay: Here's a helpful primer on how well our ears measure the sound around us, as well as how changes in frequency, loudness and duration affect perception. By Christian Luther. Our ears are the ...

Fig. 1: A communications receiver tuned to 1440 kHz. It reads like a Sherlock Holmes mystery novel. Tim Laes, corporate director of engineering for Midwest Communications, received occasional listener ...

How was it that in C.W. McCall’s ‘70s hit song Convoy, the Rubber Duck organized more than 85 trucks into a toll-bustin’ fleet despite roadblocks, a bear in the air, and the stench of hogs? The ...

Ah, another review, another version of RMAA. We used RMAA 6.2.3 to analyze and compare the Prodigy 7.1e in a number of ways. RMAA has several tests it does, but the main ones I tend to focus on are ...

One of the most exciting outcomes of the single-board computer revolution has been the tide of accessories carrying these devices into new realms of application. Wi-Fi, display, touch interface and ...