You deserve a thumbs 👍. Your a silent genius. The world needs people like you. Thank you for your work of art.

Very good project you made only install transistor vertical then later flat with pcb surface and battery holder readily available in market

So nice the world's best teacher thanks

Bahut achha video banaya ... editing bhi bahut achhi hai....

He has used EMI to induce current through unshielded wires but ... The tester may not work across a highly shielded wire or across a magnetostatic shielder

Not only an AC detector, it will react to any interference. The counter is of no use as it's never reset, any MOS gate would give the same result. Decades ago, leaving opened a MOS input drove to its destruction, inputs weren't protected as they're today. You can't rely on this fixture to detect mains. Another point is that alternative current isn't more dangereous for the same voltage, a contrario, because you can feel it, which isn't the case of continuous current. Continuous current makes an electrolisys of blood and produces bubbles in the veins driving to an emboly.

Nice, the best brother. I make it and succesfully, thanks for you're idea.

nice but better if you place the LED not at the end but let it in and place it befor the sensor it will flash on large part of the pen also pointing will be better add a light switch thank u

Salam Walekum Nisar Sir yadi Audio ke sath samjaya jata to aur bhi achcha Hota Very Good

Superb will work on 12v car tester ,👍

Does it work for detecting wire in a wall.

What tools will I need in order to build this?

Supperb nisar bhaiya

I used in the past different transistors and it was detecting static from meters away.

*Nisar Bhai kitna Sabar karwawongy jaldi se jaldi videos upload karny ki koshus karo Please*

Muchas gracias por tu ayuda 😊.

Top Vou fazer um desses👏🏻👏🏻👏🏻👏🏻👏🏻👏🏻

This sensitif from your hand?

can it find both ac and dc voltage

Video is very good. I bought a renhotecic brand test pen not long ago, and after using it for a while, it feels very good to use. It is recommended that friends in need can try it.

Very good idea

Que voltaje detecta? Y de que potencia son las resistencias?

HOLA VARIAS VECES ARME ESTE CIRCUITO Y NUNCA ME FUNCIONO ,CUANDO CONECTO LA BATERIA EL LED QUEDA ENCENDIDO

greetings ... I am missing a switch so you don't discharge the battery

Genial tu aporte ni bien tenga un fibron usado lo hago.

Wow! Nice idea.

Excelente projeto! Grato! Shalom!

Good hein but chize wo ho jo dur se connect kare ,deewar ke par b,jese gore banate hein detecter,kyu ki deewar ke andar jo wire hoti hn unka current check kare ki ya break kaha par hein or LED ki jagah beep ki voice ho so better

Very Very Good

Very good. I will try to do it. Thank you very much

A wire break hua he ke nahi usaka tester he.ya battery or sell bhi check kar sake?

Very nice

Nice

Nice video

Can i use bc458?

मस्त

Awesome it's really fantastic make something new it's awesome

Good

Sir I am in need of non connected pen testers in bulk quantity. Can u supply the same. Please send me the details of your products n prices.

Is it fake because the light raised to touch everything not only electric floods?

Can you make it detect 12vac or 24vac?

I have one question can we do without battery am not a electrical student .......

How long the battery will work without switch ?

Thanks for sharing! Can i replace bc547 with 2n2222?

Bhai jan moo ma zaban nahi ha kia

add cell socket and switch for long life.

Good video.......

मोगेम्बो खुश हुआ*प्रमोद जाधव*चेंबूर,मुंबई

Tech Nisar Allah ne aapko bolne ke liye muh bhi diya hai

Muchas Felicidades Joven Por Su Canal

Display wali ghadi se multimeter banao

Beleza.pura

24 volt detector ke liye kya karna padega sir

Seu canal e massa

2n2222a too?

I tried it but its not working can you guide me what will be yhe reason ?? Thanks in advance

Nice and easy. Good job!!!

Nice...

Nice bro

I can use BC548

good

Very Useful bro nice

superbbb

Ye transfer kase sold kiye.

Solo te falto un micro pulsador para la batería y listo!

Trangister ka no ragistence ki value kya h

If I connected the antenna to the knipex pliers would it work(when I cut the cable under power it destroys the tongs)

Looks like the range is so short that wires in a wall would be completely undetected.

seriously what kind of soldering iron is that? its nice and great vid

No entendi el diagrama soldaduras cables no se ve bien

Yes 220r Kay hair 220e ya 220 one hai

Waow nice

Thanku sir very nice.... nice...ni...

Face circuit not working bro??😂

Nice !!Like !!

Please sir 1m 100k 220r how watts

Veery good but you don't explain the show the resistance when you put it

Sir i want 5000 pcs of Voltage detector sensor can you make for me ? iwill pay good amount

👌👌👌👌👌👌👌👌👌

first

Sweet! :)

Its works for DC voltage???

aap kaha se ho

👍👍👍👍👍

Bol ke samjate to acha hota

nizzzz

Too much to ask for the schema is not

Sir Jee aapne Jo voltage detector tester banaya hai isme transistor ka value nahi dikhaya hai.kripya parts ka value dikhakar video banate.

like idea

It works :D

👍👍👍👍👌🏿

Doesn't work for me

Thanks From Jayprakash Raut MUMBAI

3volt not working this circuit

Good video I got a question is this only work with AC ? or it will work detecting DC to?

Now I'm very happy with it all the

Bc548 see kam how sakata hai

Bhai koi project sahi hua kare to dalo karo nahin to kisi ka bakt kyo kharab karte ho fake video daalkar kisi ka bhi aaj tak project nahin bana

Это фейк! Я сделал и у меня тоже при соединеннии к элементу электропитания, как и у автора ролика, сразу загорается светодиод. Как только прикасаешься руками - он гаснет Маленький нажим пальцем - диод гаснет, чуть ослабил давление - диод горит - Круто! It 's fake! I did and at me too when connected to the power supply element, as well as at the author of the roller, the LED immediately lights up. As soon as you touch your hands - it quenches the Little Finger Pressure - the diode quenches, slightly eased the pressure - the diode burns - Cool! I

Nhi chal rha bhai