how to make radio without power at your home

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Welcome to my channel Robotics kanti where you will learn how to know Electronics is work? and make handmade crafts, New Invention, Mechanical, Computer software. The main thing is that one can make it at Circuit. You are interested in Robotics kanti? You have found the channel you really need. Here you can find lots of Electronics Projects, hand made circuit items, and the main thing is that they all made of make-shifts and at the lowest cost!
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"Robotics Kanti"
By Kanti Sharma

[@roboticskanti]

All the details are given in the circuit.....

[@simplesharmatech]

sir mobile network booster bnaiye plz 👌🙏

[@technologyfather]

Sir me apka bda fan ho gya

[@CrazyIndianHackeryt]

👌👌👍👍

[@secretclub2294]

I pod banaiye

[@devkamal7705]

Purpose of pyramids and indian temples

[@EliOfMilkyWay]

Extremely simple radio, pretty impresed by how simple it is with the frequency tuner. Great invention.

[@xyrokhan]

I used to build those radios 40 years ago using OA71 Diode, the (103pf) capacitor is actually 10000pf, English sub will be good idea

[@robo1989]

40 years only? In India check out praveen mohan channel, this was used 5000 years ago or more

[@LIVE_FOR_TRUTH86]

Oa71 looking very nice i made radio. When my age 6 year

[@samh5535]

What is the purpose of the capacitor? Sorry for my ignorance (beginner here).

[@dapperwolf465]

@@robo19895000 years ago yea stop believing in conspiracy theories it’ll do you a world of good :3

[@AmitBiswas-ib1mn]

5000years ago k insan kaun sa channel sunta tha FM yah kuch aur ??? 5000years puran headfone kaisa dikta tha zara batiyeah please.... 😮

[@mauriciobastospy2tad]

I also really like this content, congratulations on the channel! I have several videos of electronic circuits, mainly of homemade radios (homemade) where I make available the schemes and often the layouts of the PCB. Hug from Brazil!

[@gettingbuzzywithsreyon2562]

Good video 🙂but some wrong informations! This crystal radio mainly catches AM broadcast bands mainly and you need less turns for higher frequency (to catch FM)because the inductance is low. And the output impedance is to high, this can only drive crystal earphones without any power, not 'regular headphones'. To drive 'regular headphones' you need to connect FET transistor instead of germanium diode.

[@karthikr3044]

Nice video, basically it's an old crystal radio set. Its not 103pF capacitor it's a 10nF capacitor. This circuit only works for AM radio waves .

[@Am_Photography13709]

thanks for the info but i am able to use it with my 16mhz audio transmitter so it also work with mw radio

[@navidfarhan3775]

But crystal radio works with only Crystal earphones and a huge anteena is needed

[@Superguru123]

The crystal radio you made requires a sharp pen-like point on the tuning coil for better performance. It looks a bit loose. A flat piece is not recommended for this type of radio; it needs to be sharp to penetrate the rolled wires individually and capture the radio frequency. I made these during high school and still have my old one. its only for AM not for FM.

[@HVA08]

This stuff you make never work, because the first thing is instead of using piezoelectric microphone you using a microphone which has coil and magnet and need much more current to work The second thing is the antenna should be longer at least 10 meters even when you near the station not the small coil like this

[@prav5554]

It is a "somewhat" fm tuner, with no filtering unit. Nor any amplifier. Hence so much noise. But great attempt. Keep posting. So much to learn from you.

[@AlbarathsLab]

Very good project 🤩🤩🤩✌️

[@SurajChauhan-cy1ny]

Really.... A century old tech you are showing here. This type of radio was popular in 1920.

[@satishpradhan143]

👌👌👌👍 Bachpan me science project book me dekha tha or banaya bhi Par chala ni... par Ab chal jayega

[@satishpradhan143]

Us time pata b ni tha diode, capacitor kya h...

[@abccomedyjagdishpur6401]

Kis kisko pata nahin hai ki Bina battery Bina light ke koi bhi upkaran nahin chal sakta hi

[@CircuitCreator]

The way this video highlights the innovative features of this device is truly impressive.

[@IT-wv1ey]

bhai aap inn project ke bare me jankari ya data kanha se lete ho . inn project ka source kya hain jnha se aap ko knowledge milta hain inhe banane ka

[@kanjitramchiary7183]

Sir is it possible to catch signal without crystal head phones, By the way what are you making should be Cristal radio which was used during the world war 2 after foxhole radios if I'm not wrong.

[@jaspalsingh-bg3fo]

Ram ke ram kaho. Ji sir bahut badia mini radio apne banaya hai .wow thanks sir

[@harisfernandez5375]

Number of turns for primary coil and secondary coil, was not mentioned in the video. Can you please give the number of counts or turns, for that coil.

[@PhantompixelsM]

Primary coil 25 turns and 2nd coil 90 turns

[@techelectrohub8546]

Sir Explain how the variable capacitor in the radio works. For tunning

[@parthgupta381]

Can you please tell why we are using diode in it and what are the no .of turns in each coil

[@randommosaic7080]

Diode is used to convert the full wave ac to rippling dc and capacitor is used for smoothing it

[@Nammakalburgi32]

Super sir ..i likes your all video

[@TarunYadav-dp1id]

Can you explain in very very detail of how its working on board or on blank copy. I would love to

[@kailashreddy2294]

सर आपका aksperiment बढ़िया हें 👌👋😍🙏😘👍🌹😂🥰😄

[@shlokbharamb4207]

Sir what is your qualifications I want to be like you

[@supremeleader5516]

@Icy he is just asking coz he want to learn that

[@teja9676]

Excellent brother

[@YoungPhysicistsClub1729]

can we use schottky diode instead?

[@krishnakarmarkar9354]

How much turn are you give on the secondary and primary coil Reply me please

[@ahmarsaeed6085]

So the Primary and Secondary coils are not connected?

[@veeruparashr128]

Ye jo almoniam Hai Kya iske badle loha use Kar Sakte Hai

[@prahlad.1]

Bro can u available in product I am purches Any one other good am. Fm mini radio U can make low prize. ...??????

[@જયબિરશામુડા]

Ap se bahut hi sikh ne ka milta he thank you sr

[@ElectroShotGROUP]

Good project but why here is so much noise when I made it my self i do not have noise like that. I use hi gain amplifier.

[@Psandroidinfo]

Vai you are a genius bro

[@irafansayyad6206]

पिछेवाला circuit बढ़िया है!!

[@deepakpareek9]

This is crystal radio which catches only local AM/MW Radio Station, better if you had simplified it by using just OA79 Crystal Diode that works as Local Oscillator.

[@shubhamshekharrai94]

there are two dedicated plates in earphone for VCC and GND it wont work without external power and power recieved from elemagnetic waves are very low then how it will work?

[@mmallick3224]

He just made a good look using the regular earphones. One needs an amplifier to listen such low signal.

[@aicreation602]

Bhai ye radio tumhe hi mubarak ho , jiske paas ghar me kaam na ho wo apna keemti faltu time isme waste kar skte hai dhanyawad

[@luisadrianomeusparabens6863]

Foltou uma boa antena ai mais este receptor e top funciona perfeitamente eu mesmo ja fiz mais 50 parabéns

[@bishwajitbaishya1346]

Aapka bahut shukriya sir please ap our Aisa video banay

[@MrMinimum24]

Sir headphone nahi chalenga use crystal earpiece(piezo buzzer) for better voice

[@abhaydeo2373]

Sir I will support you

[@biplabmondal482]

Speechless ,, seriously you are a scientist ♥️,,

[@arnbon6241]

This is called a radio crystal set. The circuit power is taken from the same rf waves just in case you do not know.

[@biplabmondal482]

Seriously I don't know, but it's not your problem man, If you can't help or motivate please don't show up your knowledge.. it's waste man...!!!

[@camrynhunter6969]

Love your channel bro.

[@that_it.1]

Sir kitna mhz tuk frequency pakad sakta hay?

[@hassanrasool3977]

You vary vary good cantanyo أنت جيد جدا استمر القادر يوفقك

[@INFOTRONICX]

How many turns in secondary and primary diamenting of coil wounding menterial!!!

[@chemistry_with_yash-247]

Sir ye mobile phone ear pice se sunai deta hai???

[@joshuaparsons2771]

Can you please make English translation to all your videos Good job

[@oo-rx1we]

Big fan sir ji..#respect

[@TechsScience]

Nice! We are living in the Computer age still most of us even don't know how the radio used to work

[@EasyOne]

good

[@gaurav8396]

Isme crytal diode use kr k bhi bana sakte hai. Maine b 20 yr pehle banaya tha. Telephone ka speaker use kr k or cryatal diode parllel laga kr. Ek wire hath me or dusra wire antenna me. Hath se he earthing aa jati hai. Usme awas bilkul saaf aati hai par channel change ngi ho payega. Sirf ek he lagega.

[@titanicstech1064]

Please use thin tunning rod for fine tunning

[@neutronenstern.]

you have to ground it for less noise.

[@kparts1905]

Jo 103pf capacitor hai ye tho bhut jada high capacitor hai es ke jagah koi or jese nhi kr skte hai kya agar nhi hai ye vala tho

[@balud2080]

Bhai is that Zener diode, if not what is difference between zener and germanium diodes. Pls reply

[@randommosaic7080]

Germanium diode are like normal silicone diode but have very less forward voltage drop hence less power loss..... Which is required here

[@balud2080]

@@randommosaic7080 very much thanks for your reply

[@jungleman4111]

Mere pass philips ka bahadur model radio he. But kya wo 180 km dur fm catch kar sakta he

[@veeruparashr128]

Bahi mere paas amplifier nhi hai Lekin mere paas speakar or 9v bettery Hai to isme kese lagau plz reply Bhai

[@ashishkavathekar6703]

Kitni frequency genrate hoti hain..

[@vishnuharidas616]

This is FM or AM?. Because FM demodulation is a complex circuit

[@mannalal3831]

I had made this of Radio in 65 year ago by using simply Soona Makhi Stone Antena and Aireal only

[@m.shabbir6724]

Good 👍👍👍

[@shreyashsingh2556]

Can we use 104 pf capiciter

[@anshulsaini7440]

Can we play it on any frequency For example 12647 H of Sony sab

[@ganeshbhuiya6957]

Thumbnail very nice

[@ssentongocharles8115]

Brother help on the specific zener diode and capacitor to use

[@asifhosen1553]

plz,, make a mobile network tower

[@kokateviswajeet9793]

😅😆😂

[@crazyarmy9289]

Op

[@kushnoori]

👍

[@rizenstudios]

Lol

[@GregorSass-Ranitz]

You have English subtitles?

[@cheraking1912]

very very good

[@siriusleto3758]

90% noise, but still interesting. Thanks for the video.

[@Gopalnandi24]

Nice👍

[@gautamaditya7801]

Kanti bhai normal diode se hoga kya?

[@rockstare8507]

My childhood experiment....fm ❌ free tv channels✅

[@StayVNS]

Explain me

[@gagaksensei]

I like your room , 😂

[@smileplease7704]

Kya baat h bhai mehnat krte raho

[@uniquetechhack3858]

sir please dhoom 2 magenatic gadget video

[@ar1editing]

Nice video 👌😎😎👍😁🙏👍

[@neerajkakar8104]

I build these types of radio. It is Am radio not FM and requires big wire outside the home as antenna and cold water pipes for grounding!

[@SANJIBBORAH-ye9kc]

Gorpay mataldetactor bona sakta hi sir

[@laggybot1327]

Headphone Bina power kaise chalega ??

[@VishalSaini-oi8oo]

Whi to😆😆

[@sandeshms2148]

It will create enough power from electromagnetic waves which used to send radio programs

[@anoopmishra26]

@@sandeshms2148 but not enough as much as 3.7v. It can only generate some mV only. You'll Always need an amplifier to the output in order to listen in properly.

[@netrapatil2169]

@@anoopmishra26 not even mV.. may b uV

[@netrapatil2169]

@Muhammad Salim 😁😁😁 osm

[@cavindrry9217]

Too good

[@Art_N_Design]

Sir !Ak Thermal night vision nanaeea please

[@mtalhakhalid1679]

awosm this radio was used in world war 1 and 2

[@56sankhodeepmitra45]

Sir this is an AM envelope detector

[@sanjeevkohli6270]

Nice vedio sir.esi trah se 1.5v ya 3v fm bana kar dikhaiye.plz sir.

[@crazyrajuofficial]

Tq u sir is video ko banane ke liye

[@kabisurya]

This works only for MW wave AM radio. Put one ferrite core in that coil for better signal strength. Have your basics

[@przemekbundy]

why the video thumbnail is shown on the headphones. and the video on the speaker with its own power supply. each film is painted.

[@deepanshukumar6591]

Jo MP 3 ka mana sinhnal kasa acha kara please batay Bhai FM ki audio ko acha kara

[@highfigh1]

वाह्ह्हह्ह्ह्ह क्या दिमाग़ है 🤝🤝👌👌👌🤔

[@siddeshwarsidhu555]

Bhai mp3 module me FM ko kaise connect Karna plz replay me

[@ishwarnarayan2411]

Sir ji ismay kitnay turns laganay hai primary or secondary coils may please batadijiyay

[@tanishqmourya564]

sir i want to use this circuit in a place where i cannot get earthing ground what can i do ?

[@dineshsikdar7954]

Fm transmitter kaise banaye? agar iski ek video banaye to hame bohot khusi hogi or jankari bhi, thanks

[@pravanjantripathy7345]

Sir can you help me make a control circuit . which is operated by mobile and it starts fist to inform by measege power ready, over load , circuit healthy condition and good condition of starter ready for start to water pump.

[@HoneyTube2]

bina power ,earphone m sound kese ayga

[@sp.electronic415]

In4007 diode nhi chlega kya

[@Humble3882]

Bhai kya aap bina mobail ke tv bana sakte ho kya kam se kam 1channel dd bharti to chale please bhai please

[@infochannel7043]

Nice

[@vidyaexperiment8127]

भाई यार तुम तो वैज्ञानिकों बहुत बड़े वाले तुम हर वो चीज बना सकते हो जो इंपॉसिबल से इंपॉसिबल हो