How to make a led tester(0v-80v)

How to make a led tester(0v-80v) parts NE555 ic = 1 22ohm=1 100ohm=1 MJE13005=1 RGP150=1 =1 68K=1 103()=1` 101()=1 LED=1 Chopper transformer=1 How to make a Security System with Ultrasonic Sensor and Arduino link:- How to make a light sensor using ldr and arduino uno link:- How to Make a USB Kit Box at Home / USB Mp3 with Bluetooth Module Mini Player Connection link:-
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