Hii guys in this script, I will show you how to make continuity tester with simple components. Generally this continuity tester is used to check the continuity of the tracks of the PCB, circuit connections and etc.
Required components:
- 9v battery
- Resistor (1kohm)
- wire
- insulation tape
- pin
- LED (Light Emitting Diode)
- old pens-2
Circuit diagram:
How to make:
Step 1:
In this step, two pins (conductor pins) are connected to the end of the two pens as per circuit diagram and video.
Step 2:
And then, from pen-1 9v battery, resistance (1kohm), and LED are connected in series to the pen-2 as per circuit diagram and video.
Line tester is ready. Now it\’s time to test our line tester or continuity tester.