Wireless Tester Circuit / AC Line Tester
Wireless Tester / AC Line Tester / Contact Less Tester With Transistors
Wireless Tester / AC Line Tester / Contact Less Tester With IC4017
Buy This Magic+Wireless Tester Only INR 99/-
To Measure 12V to 220V AC and DC Voltage, For checking the phase line and neutral line, The extreme right displayed voltage is the voltage of the wire tested, To check the flow of current in an insulated wire from outside
Turn Your Tester into Wireless Tester
Parts List
- Any General purpose NPN Transistor like BC547/548, 2n2222, C945
- LED Red 3mm
- Small 1.5V 2 or 3 Batteries
- L1 not compulsory