How To Make A Non Contact AC/DC Voltage Tester Circuit Using 555 IC..Easily Detect AC/DC Voltage..

Friends in this video I will show you How To Make A Non Contact AC/DC Voltage Tester Circuit Using 555 IC..Easily Detect AC/DC Voltage without contact...Friends in this circuit we will use a 555 timer ic and some simple components for making the non contact voltage tester circuit..Friends it is a very simple circuit project and you can easily make this non contact voltage tester circuit at your home..Friends it is a very useful circuit...Friends by this circuit you can easily detect ac/dc voltage without any contact with the line...Friends you can detect the ac/dc voltage from a distance,,,you will not have to touch the line for checking the voltage..So friends it is so safe for you...Friends you can check ac lines and you can also check dc lines [which is converted to dc from ac] like adapter...But friends you can't check any battery lines with the circuit...Any ac line and any ac to dc converted line [Like adapter] will be easily detected by the circuit...Friends this non contact voltage tester circuit will work by 9 volt power supply..Friends at first make the circuit board then connect the circuit board with a 9 volt battery..Friends in this video I will show you the complete process of making a non contact ac/dc voltage tester circuit step by step..Friends the circuit diagram of the non contact ac/dc voltage tester circuit is in the video please see the circuit diagram..So friends if you want to know how to make non contact ac/dc line tester circuit at home then watch the video and follow my instruction....Thanks...

Non Contact Voltage Tester Components..
1 piece blank pcb board, 1 piece 555 ic, 1 piece 10k resistor, 1 piece 1uF/63V capacitor, 1 piece 1k resistor, 1 piece bc547 transistor, 1 piece LED, 1 piece buzzer..

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Видео How To Make A Non Contact AC/DC Voltage Tester Circuit Using 555 IC..Easily Detect AC/DC Voltage.. канала Tech help