Can anyone give me some guidance on a *simple* circuit for detecting 2.4Ghz microwave (Wifi etc.) and providing DC output? It wouldn't have to be terribly sensitive and I'd prefer it to be pretty passive :-) TIA, -marc -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist