How to make continuity tester || Homemade || Continuity of DC motor, light || 

How to make Continuity tester at home.
#continuitytester#homemade#
Components
1.Two Injection
2.light
3.copper wire
4.cell (battery)
Note: This continuity tester you have to use in DC supply only.
Not put this continuity tester in AC supply.
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