Hello! Today I will show you how to make a hidden wiring detector with your own hands from improvised materials at home! We will need: - NPN transistor C945 (3 pcs.), - LED 3V, 5 mm, - a resistor with a nominal value of 1 kOhm, - thin insulated copper wire (diameter 0.5 mm), - crown connector - crown battery - soldering iron, - etc. ___________________________________________ How to make a “Third Hand“ holder for soldering? A device for a real master with his own hands!
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