Create a Test Lamp with Polarity Indicator: Simple DIY Guide
In this video, we will see how to make a test lamp with the ability to show polarity. This tool is used to determine the polarity of electronic circuits and also to test car fuses.
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#2_color_test_lamp #آموزش ساخت لامپ تست
#لامپ تست دو رنگ #مدار لامپ تست #کاربرد لامپ تست
#برق خودرو