Cable Tracker || DIY or Buy || A useful tool for every electrician!

25. 10. 2020
225 624 zhlédnutí

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You can download the schematics for all of the circuits here:
You can get the Buy version here (affiliate links):
In this episode of DIY or Buy we will be having a closer look at a cable tracker. It is a tool that is used to locate wires in you wall. This is helpful to drill holes in your wall or to locate a fault in your wiring. I will show you how the sender and receiver functions and afterwards I will create a super crude, but functional DIY version in order to find out whether we should Buy the product or create our own DIY version. Let's get started!
Thanks to JLCPCB for sponsoring this video
Visit to get professional PCBs for low prices.
2011 Lookalike by Bartlebeats

  • Can i use for Automotive shop?

    Edmon CagalawanEdmon CagalawanPřed dnem
  • Как же раздражает когда ты повторно прорисовываешь текст ручкой. Может быть я не такой. говорю как есть.

    UU-Tech RUUU-Tech RUPřed 24 dny
  • Congratulations for this amazing video. It immediately became my top favourite because I was searching how to make one myself. But I have two questions: I can only find sn74hct14n instead sn74hct14dt what is the difference between the two? And the second is how many ohms should a resistor instead of a potentiometer be if I want the frequency be around 1Khz ? Thank you very much for your help. And again bravo for the tutorial.

    Nick TsolakNick TsolakPřed měsícem
  • Super cool video! I might have watched it more than once... I've used these toners many times for low voltage work and eventually replaced the most of my cheap analog versions with what I believe is the only digital version (Fluke intellitone) and is priced as such. Using the second version is a must in a building with noisy (rf) cabling. Might be an easier win for the DIY, but maybe not.

    Joshua BriscoeJoshua BriscoePřed měsícem
  • Is this can work on dc current? If not there is tool can trackers on dc?

    tnt omegatnt omegaPřed měsícem
  • “I live in Germany, and we have standards.”

    Yuxuan SunYuxuan SunPřed měsícem
  • Im gonna be completely honest with you, I thought tou were Japanese xD

    BurnYourBridgesBurnYourBridgesPřed měsícem
  • MASTECH MS6818

    Олександр МорозенкоОлександр МорозенкоPřed měsícem
  • The diy style could be even simpler, and the opamp you used is definitely not good for audio. Use the C4558 instead, or the NE5532.

    Spatial ZebraSpatial ZebraPřed měsícem
  • one youtuber drilled straight in the pipe. so yeah. be careful guys.

    VeryBoredGamerVeryBoredGamerPřed měsícem
  • This tool is called "düdeldüd" by many german electricians, and pretty much everyone owns or has access to them

    Lorem IpsumLorem IpsumPřed měsícem
  • I like reverse engineering. Please make more videos like this.

    Dinshith DDinshith DPřed měsícem
  • Assembled under 15 mins if you exclude the gathering of the components, re-watch of the video, if you get the wiring right the first time...... Definitely a buy, that's not a tie 😂

    UzwelUzwelPřed měsícem
  • @GreatScott Is it possible to modify the DIY version to have 2-3 antennas to pinpoint the wire for more accuracy? 2 antennas 3 inches apart with a comparator between their output stages should work, right?

    Nilav Kumar JenaNilav Kumar JenaPřed měsícem
  • Plz please please please please make a one wheel

    Gaming StudioGaming StudioPřed měsícem
  • Scott makes Cable tracker to avoid damage while drilling Mehdi: *making electric guitar with L and N wires*

    Rubab MubarratRubab MubarratPřed měsícem
  • Is the GND the minus pole of the battery? If so why do they call it GND? Thanks to the guy who can explain it

    Tango KTango KPřed měsícem
  • മലയാളി❤️

    THE MOBTHE MOBPřed 2 měsíci
  • I'd use a signal generator and a portable oscilloscope, and... Done.

    Werner BerouxWerner BerouxPřed 2 měsíci
  • Thumbs up and subscribed!

    DigDigPřed 2 měsíci
  • I just bought one of those and now I find out I could have done one myself..... Ahhhh damn.

    KyleKylePřed 3 měsíci
  • Thermal camera... diy or buy wich is best..??

    Nagamani HegdeNagamani HegdePřed 3 měsíci
  • how does a FET or BJT "buffer" (Common source/emitter) amplify?

    Amir BAmir BPřed 3 měsíci
  • Okay I'm not a patron but this comparison is truly essential: battery spot welder diy or buy

    Metin Oktay YılmazMetin Oktay YılmazPřed 3 měsíci
  • Diy transmitter circuit not displaying. Please help

    Eric MomohEric MomohPřed 3 měsíci
  • now im 100% sure that you are a german guy

    lolgamerslol 11lolgamerslol 11Před 3 měsíci
  • please make 2amp power bank circut. I means 2amp 3.7v to 5v boost converter.

    Arin YTArin YTPřed 4 měsíci
  • Now design a miniature version for tracking down shorted circuit tracers on a PCB.? Similar to Hewlett Packard’s current tracer probe

  • Just Bury that wired in mid air contraption in epoxy resin block. Job done.

    Eddie FoxEddie FoxPřed 4 měsíci
  • This project is awesome but i recommend you to use a 3 bc547 circuit it is sensitive circuit if you want you can add a buzzer if you want thank you

    Abenezer AberaAbenezer AberaPřed 4 měsíci
  • 1:40 will it work if the line is faulty?

    Miras DerbissalinMiras DerbissalinPřed 4 měsíci
  • Un canal muy..... bueno. Gracias

    fernando czfernando czPřed 4 měsíci
  • very good Explanation. Sir you are great

    Dinarajan CnDinarajan CnPřed 4 měsíci
  • Please make a simple spycam with wifi

    Amal JazzamAmal JazzamPřed 4 měsíci
  • Ich lebe in Deutschland und gehe davon aus, dass die Leitungen richtig verlegt sind. Selbst früher wurde gepfuscht xD

    Haze BazeHaze BazePřed 4 měsíci
  • 0:08 casual flex there. lol

    ChaodditiesChaodditiesPřed 4 měsíci
  • Rx and Tx without modulation is not good

    Владимир ЛенинВладимир ЛенинPřed 4 měsíci
  • Thankfully we live in Germany and have Standards . Ich denke einige Deutsch wohnen in einem Altbau in dem nichts nach neuen Vorschriften verlegt ist. Man sollte nie auf die Vorschriften vertrauen sonder immer vorher prüfen

    Blue CrafterBlue CrafterPřed 4 měsíci
  • Hello! I'm viewing this video and put pause to tell you, here in Argentina we call "Viru-Viru" by it sounds... it's easy to recognize this way.

    Ezequiel Augusto del CastilloEzequiel Augusto del CastilloPřed 4 měsíci
    • Good video! See you next time!

      Ezequiel Augusto del CastilloEzequiel Augusto del CastilloPřed 4 měsíci
  • 8:16 point to point technic of connect of electronic parts? ok is goodness from pcb board

    His master's voiceHis master's voicePřed 4 měsíci
  • 0:30 in poland (my country ) is the same germany standard

    His master's voiceHis master's voicePřed 4 měsíci
  • IR VISUAL thermometer DIY or Buy

    Walter WhiteWalter WhitePřed 4 měsíci
  • SenderDIY is a PNG, not a PDF. Can you please fix it? Thank you.

    Dejan PetrovićDejan PetrovićPřed 4 měsíci
  • Lived in Germany almost 4 years. 0:38 - Nobody really cares about the German safety standards. Especially German landlords.

    MrClapperJackMrClapperJackPřed 4 měsíci
  • Great video Scott .

    Vaseem Mehran CPVaseem Mehran CPPřed 4 měsíci
  • Make DIY or Buy radio.

    Marko MacíkMarko MacíkPřed 4 měsíci
  • In Deutschland gibt es Standards??? ich kann sagen dass es nicht so ist...

    SamySamyPřed 4 měsíci
  • Could you add a stealth mode to a microwave? It would disconnect the beeper when enabled and would reconnect it after some time after it detects a beep, so you won't have to manually disable it. This could prevent so many families from getting woken up in the middle of the night because of a hungry member.

    Red aka MineklocRed aka MineklocPřed 4 měsíci
  • I wish I was from Germany! lol

    Brad ൠBrad ൠPřed 4 měsíci
  • You want cheap and available under 15 minutes? Go and borrow your electrician neighbour tool. Will cost you one good beer, probably much cheaper than the parts needed for the DIY version :-)

    bunsoft2bunsoft2Před 4 měsíci
  • 0:07 weird flex, but ok

    DucktantDucktantPřed 5 měsíci
  • In North America, the Loomex is stapled to the studs going vertically, and when running horizontally, drill through the centre of the studs with 1 1/4" of wood on either side. Loose cable flopping around behind the drywall is not an issue, as the wire will move out of the way when hit by the drill bit.

    thien minh nguyenthien minh nguyenPřed 5 měsíci
  • Hi Mr scott, great video as always. Maybe I could suggest another topic: due to pandemic I recently buy a finger pulse oximeter and I was fascinated by how many vital information you can get by a single led, your lovely components. Could be very interesting to see how this device work. Thank you and have a nice day!

    giobaxNXTgiobaxNXTPřed 5 měsíci
  • "thabkfully tho, I live in Germany and we have standards..." ahh yes, lovely German Engeneering

    Guilherme SilvaGuilherme SilvaPřed 5 měsíci
  • Hey! Ich glaube im Patreon Link zu "Sender DIY" ist dir ein Upload Fehler passiert. Wenn ich die Datei runterladen heißt sie nur "1" ohne PDF Endung. Mit .pdf funktioniert alles. Werde das Projekt nachbauen. Super cool. Grüße von einem Oberharzer Fan.

    2svz22svz2Před 5 měsíci
  • Electroboom would have drilled right through

  • 👍👌

    Gacheru MburuGacheru MburuPřed 5 měsíci
  • NEVER assume that the presence of standards means ANYTHING. Someone before you may have entirely ignored those standards. It's super-easy to trace 120V / 240V wiring with any simple audio amplifier, using your hand as an antenna.

    Tim HofstetterTim HofstetterPřed 5 měsíci
  • Prototype wiring is great for a mock-up to test circuits. Through to the '60s all valve/tube, and some transistor equipment was hand-built utilising point-to-point wiring until PCBs became the go to method. It is still done today in audio gear like guitar amplifiers and HiFi amplifiers using tubes/valves where not only the traditional characteristic sound/tone is sought after but also the traditional build method for perhaps a unique, non mass-produced piece of gear. Tag strips or turret boards, a rectangular bakelite strip with a row of lugs, are used as solder points between components, the same principle as pads on a PCB. The difference in sound tone between point-to-point and PCB construction is subjective and similar to how someone might taste wine.

    Mervin VictaMervin VictaPřed 5 měsíci
  • Ich wusste gar nicht das du in Deutschland wohnst 😂

    AMS - TutorialsAMS - TutorialsPřed 5 měsíci
  • I don't bother with trying to figure out where the wires are. It's more fun to play Russian Roulette and just go for it! ;-)

    ats89117ats89117Před 5 měsíci
  • hey, you forgot to tell the audience to prove test prove the circuit is isolated, BEFORE working on that circuit, or attaching the cable locator on the circuit. failure to do so, could result in "electro boom" episodes. :)

    Massimiliano CacciamaniMassimiliano CacciamaniPřed 5 měsíci
  • Can I use it as a metal detector

    Pierre QiuPierre QiuPřed 5 měsíci
  • Congratulations 🎉 in advance for 1.5M subscribers ❤️ #ElectroGyan

  • as a fellow german i have to disagree... you get all kinds of strange wiring schemes if you search long enough. "no rules, only guidelines"

    Chris aka SchulbusChris aka SchulbusPřed 5 měsíci
  • Do video on circuit breaker finder

    Shivaguru SekarShivaguru SekarPřed 5 měsíci
  • "Don't worry, I'm a professional". **Pulls out cable tracker with no housing.

    Composing GlovesComposing GlovesPřed 5 měsíci
  • Learned a great idea from this, to be able to track actual wires inside the wall. Thanks! p.s. - most likely a buy for me.

    bbunk22bbunk22Před 5 měsíci
  • congratulations :)

    ledvantage technologyledvantage technologyPřed 5 měsíci
  • Nice video 👍 Could you make a DIY or BUY video about FM transmitters?

    LeonLeonPřed 5 měsíci
  • 😋

    Zahra Travel & HolidaysZahra Travel & HolidaysPřed 5 měsíci
  • Great video, very useful channel, one of the best for electronics. Since I am a noob here, looking into some basics, I would like to see occasional videos with some basics and theory behind simple electronics circuits. For example, I would like to understand how to calculate some of the values for simple circuits. For example, LC filter calculation for rectifier, or similar.

    Marko MocilacMarko MocilacPřed 5 měsíci
  • Soundbar with HDMI, optical input DIY or Buy? Please!

    Bhushan KadamBhushan KadamPřed 5 měsíci
  • What if the emiter is shorted? on the buy version it shouldn't be a problem (well, at least, when i worked in telecom, I used this a lot to find pairs between cabinets, if the sound went away when shorted i was sure that was the right pair)

    minecrafter9099minecrafter9099Před 5 měsíci
  • How do you clean your tip 🤣 I have tip that not accept tin

    maybeMatessakCZEmaybeMatessakCZEPřed 5 měsíci
  • $13 for giant plastic yet primitive wiring detector, no thx $38 for UT210E current clamp with wiring detector as an extra was much better deal.

    LeeroyLeeroyPřed 5 měsíci
  • We have big shortage of this tool in telecom company i work for i.e. in East Africa

    Anwar KedirAnwar KedirPřed 5 měsíci
  • Hey, this is my cable-tracer^^

    phorzer32phorzer32Před 5 měsíci
  • This will not work if you have a metal sheathed cable or the wires are inside a metal conduit or raceway.

    Nagy Péter-Szakállat KorporésönNagy Péter-Szakállat KorporésönPřed 5 měsíci
  • Great video Mr Scott (let the comments begin correcting me about your name)! Question: in your receiver schematic when using a BJT or MOSFET as the antenna input stages, the schematic shows base or gate are pulled to ground which would turn the transistors off (especially in circuit with BJT the collector is also pulled to ground, should be VCC?). So this means the circuit is relying on the strength of the signal picked by antenna to turn the transistors on and pass the signal through. Is that correct? In such case I think that's why the receiver is not doing great as you showed because the antenna is working based on a weak capacitive coupling not strong enough to trigger the circuit with existing resistive and base current loads on the antenna. I suggest to improve the circuit by biasing transistors in ON mode and just let the weak signal to get buffered through transistor. Of course the bias can only be very high resistors not to load the weak signal, or in case of BJT use Darlington to reduce base current... I think! I don't know... good luck!

    ElectroBOOMElectroBOOMPřed 5 měsíci
    • wrong Mehdi, the FET is biased already in ON region (VGS is biased negative) but it is not amplifying, it is just a buffer with very high input impedance so to pick up the weak voltage. the BJT collector must have been connected to VCC, unless there is a negative VEE in the circuit which I dont think there was.

      Amir BAmir BPřed 3 měsíci
    • Hi there. Keep in mind that in his version of the circuit he´s jusing a JFET, which behaves different than a normal BJT Transistor. The way he´s "pulling gate to ground" is the right way to do it here. Over all his circuit isn´t to good. The Jfet should have higher resistance or a better said a higher resistor in the source line, and the coupling capacitor to the op amp should be bigger. Also, if I recall correct, I think I saw some kind of frequency selective part in the original circuit (like to attentuate other frequencies and peak the 1Khz Signal), that was done using a RC circuit. In the short demonstration that was shown, it also could be heared that his version of the circuit did pick up a lot of intefference, whereas the original circuit (the one he purchased) did receive his diy transmitter rather well. I guess he used the JFET (which behaves different than a standard transistor) to have a very high input resistance and due to that make the circuit very sensitive. So yes, for standard Transistors biasing "Base" towards plus does indeed work, but for a JFET you have to "bias" the gate ("Base") towards ground. If you put it towards +, it will make the Jfet less conductive (reduce amplification). The circuit (receiver) could be improoved using a high impendance LC tank circuit, with a coil with many mH (>10mH) and a parallel resonance capacitor so the circuit will have a resonant frequency of about 1KHz. That also would put away the humm noise you heared when he tested the bought circuit (It´s not necessarry obviously, and was left away due to cost reasons). Anyhow, just wanted to reply to you. I watch your videos too, you´re an amazing entertainer.

      Stefan0719Stefan0719Před 5 měsíci
    • Hey Mehdi love from India


      BrockStar GamesBrockStar GamesPřed 5 měsíci
    • +1 for the Darlington and explanation!!! Nothing blew up, what are you complaining about!!!!!

      OnlyrguOnlyrguPřed 5 měsíci
  • I see you're a man of culture, The Art Of Electronics "Best of the Best on teaching electronics" from Paul H.

  • "Thankfully though, I live in Germany, and we have standards on where the wires should be positioned inside a wall." Natürlich! 😂

    Patrick VromanPatrick VromanPřed 5 měsíci
  • 💙💙💙

    CJ الورعCJ الورعPřed 5 měsíci
  • If you posted this a week earlier...

    Andrei JUXTAPUSAndrei JUXTAPUSPřed 5 měsíci
  • im a big fan of this diy or buy

    Lautaro La VecchiaLautaro La VecchiaPřed 5 měsíci
  • wirklich interessant, ich verwende solche Geräte bei der Arbeit. evtl. könntest du dein Sendegerät noch kurzschlussfest machen, wenn externe Spannung an liegt geht eine LED an und ein Mossfet trennt die Leitung vom Sendekreis?

    sam dasam daPřed 5 měsíci
  • What about the detectors that work without attaching it to the Outlet. Just hold it to the Wall and itll beep when Electricity ist flowing beneath it

    OsasOsasPřed 5 měsíci
  • I guess you will be professor and you can make teleportation :)

    Pokemon Gone sadPokemon Gone sadPřed 5 měsíci
  • I was wondering where the cable in my wall was going when I woke up this morning for real, how the hell did youtube know to recommend me this the same day?

    LumocolorARTnr1319LumocolorARTnr1319Před 5 měsíci
  • In Germany we have standards and then proceeds to plug a "Suicide power cord" in the wall lol

    Eric ForgetEric ForgetPřed 5 měsíci
    • He switched the power off though

      Abyss StriderAbyss StriderPřed 5 měsíci
  • Perhaps, you cannot create a cheaper circuits by means of reverse engineering. :) At least, you have to use other parts.

    ARTARTPřed 5 měsíci
  • Extremely helpfull information.

    Joe RJoe RPřed 5 měsíci
  • Haha. Germany and standard of wires in walls is as much gambling as in other countries, because "should be" and "are" can be meters apart... Especially in older buildings...

    MagSunMagSunPřed 5 měsíci
  • Can you do a video about the esp32 cam module and how to make a security camera with it?

    roxmoxroxmoxPřed 5 měsíci
  • Circuit traces can easily lead you the wrong way as well, and if the cables goes through a large server room, it's not much fun. The two tone tracer are better distinguishing the difference between data cables and what your tracing, there also helpful with hearing aid loops👂, you can even hear people taking over landlines with them.

    Dr mosfetDr mosfetPřed 5 měsíci
  • Stress testing electronics: mehdi or manufacturer

    Harry PoonHarry PoonPřed 5 měsíci
  • Scott can you fix your receiver schematic at 7:25. The Q1 D1 parts nicht work

    HPD V02HPD V02Před 5 měsíci
  • Please do more with that arduino circuit

  • DIY or buy, conclusion @most of videos= buy

    Rahim K VayathRahim K VayathPřed 5 měsíci
  • I am putting a dislike, because you are still using old and idiotic intro 😊

    Mtz BelarusMtz BelarusPřed 5 měsíci