3 ms·
From the fine article, second paragraph: "you can build a tiny “crystal detector” that responds to 2.4 GHz Wi-Fi, Bluetooth, and even microwave oven leakage"
by pwg 10mo ago
From the fine article, second paragraph:
"you can build a tiny “crystal detector” that responds to 2.4 GHz Wi-Fi, Bluetooth, and even microwave oven leakage"