If you read the blog about the Maker Faire, I just came back with a bag of goodies and one of them is a microwave movement sensor. Not the two-board solution I discussed a while ago that never really worked – this is a small, neat single board called an…
Category: microwave
Microwave Radar
As soon as one mentions “microwave radar” I’ll bet you’re thinking “expensive” – well how does under 2 quid sound… http://goo.gl/BgwcbZ These little devils are movement detectors, bought from Ali Express on a whim and they use the PCB as the antenna (3Ghz) – hence the ridiculously low price. So…