Return of the dodgy insect zapper. (With schematic.)
22:33
Cheap eBay kit build for soldering practice.
10:42
eBay LED insect zapper teardown with schematic
19:44
電化製品のノイズとは何か? フェライトコア？ フィルター、伝導ノイズ、EMIについて解説・測定する。電子レンジ, Wifi
24:01
Inside a bug zapping lamp (with schematic).
10:36
Mechanical Switches are Obsolete?! Switch to a Latch Circuit! EB#53
15:48
Horrific LED tester that can literally kill you - (with scary schematic)
32:54
Extremely Dangerous DIY Builds From Old Microwaves & More! | Compilation
17:28