Juergen Grau data the new DIY audio spectrum analyser called the Magilyzer EM800 complete with EM800 Magic Eye tubes, which has this week launched via Kickstarter and is now available to back with ...

Always wanted one of those wickedly-cool spectrum analysers to find the best channel for your wireless router, but don't have the readies to ever afford such a device? How's about a relatively simple ...

How good is your existing oscilloscope's fft function with the $10 diy emc H-field probe compared with a dedicated spectrum ...

I have two cards, and a magnetic-mount "whip" antenna, which plugs into a card. You could build your own WAP with this; note that this is not 802.11b/g capable by itself. You can't go and connect to ...

This project got some blog love last year, but it slipped past my radar. [jhecker] built a parallel port interfaced device based on a Cypress 2.4ghz transceiver module. The module is pretty complete, ...