LED tester. Multimeter supplement. Simple scheme. Compact tester.
15:58
#155. Тестер светодиодов и стабилитронов с цифровой индикацией
8:38
Auto volt Homemade LED light tester, Simple LED tester circuit DIY
10:20
We assemble a 150 volt LED tester from improvised parts. A simple scheme. Compact tester.
25:34
Тестер светодиодов и стабилитронов своими руками
8:07
The indicator of short-circuited turns. We increase the sensitivity.
6:38
That's why you should add this circuit to your multimeter
6:21
катушка и магнит
22:11