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
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