Wireless Tester Circuit / AC Line Tester

Wireless Tester / AC Line Tester / Contact Less Tester With IC555

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

Wireless Tester Circuit Diagram

Parts List

  1. Any General purpose NPN Transistor like BC547/548, 2n2222, C945
  2. LED Red 3mm
  3. Small 1.5V 2 or 3 Batteries
  4. L1 not compulsory 

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