High Quality LED Flasher Using BC547 NPN Transistor | LED Flasher | Javier's DIY

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High Quality LED Flasher Using BC547 NPN Transistor | LED Flasher | Javier's DIY
An LED flasher circuit is a circuit which flashes the LED- meaning turns it ON-OFF, ON-OFF, ON-OFF.
The BC547 is a NPN transistor meaning when power is applied to the base (control pin) it will flow from the collector to the emitter. Typically NPN transistors are used to “switch ground” on a device, meaning, they are placed after the load in a circuit.
Component's Needed:
🔴 2x BC547 NPN transistor
🔴 2x 10v 470uf capacitor
🔴 2x 10K ohm Resistor
🔴 Insulated wires
🔴 Copper wire .1mm
🔴 5x LED Blue lights
🔴 5x LED Red lights
🔴 4.2VDC input
Subscribe to my channel and click the bell button to be updated on my next video. Thank you for watching♥️Enjoy and have a great day.
👉 / javier'sdiy👈
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#BC547LEDFlasher
#LEDFLASHER
#HighQualityLEDFlasher

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Опубликовано:

1 окт 2024

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Комментарии : 172

@sridharkrishnappanavanerth3388 10 месяцев назад

Why do you make videos with background music, you could have explained the working of the circuit both on circuit diagram and final wiring. Popups are overlapping the circuit diagram. You can share the circuit diagram in description also.

@JaviersDIY 10 месяцев назад

the particular circuit diagram sir is very easy to follow, just watch it

@Cici_Silo 10 месяцев назад

I absolutely HATE music in videos like these. I would rather hear the ambient sounds of construction.

@kenmoriyama7566 2 года назад

Excuse me, how to make a multiple leds using a 3v power supply? Like 4 to 8 leds. I am gonna make a left, right and hazzard lights to my model kit.

@wesleythiago6080 2 месяца назад

Hello everything is fine!? Well, I did this project the same way you did, but with 1 red LED and just one blue, and everything worked fine. However, the blue LED burned out and the red LED only remained on not blinking. I added another resistor and the LEDs blink more slowly. Can you explain to me why the LED burned out? I did it the same way and components according to the video.

@JaviersDIY 2 месяца назад

maybe you give a high supply input sir that's why it burned

@wesleythiago6080 2 месяца назад

@@JaviersDIY I gave 5V because with a 100Ω resistor on the positive input, the LEDs don't blink.

@JaviersDIY 2 месяца назад

@wesleythiago6080 try to use led that has the same voltage input

@robertsv4546 5 месяцев назад

Genial idea, yo lo hice como en el vídeo solo reemplace los LED por unos módulos de 12v, aunmmente el voltaje me funciono muy bien

@JaviersDIY 5 месяцев назад

for better understanding please use the universal language

@RajuKumar-bw5yf 2 года назад

Hum bahut kosis kiye nahi bana

@jyotisonar6508 Месяц назад

It works with one led instead of five? Please reply

@JaviersDIY Месяц назад

yes

@jyotisonar6508 Месяц назад

@@JaviersDIY thanks for replying

@rubikdaenk2214 8 месяцев назад

sir, sorry in advance...I'm a beginner who wants to learn and try...I have a 100k resistor, IN 4007 diode, 50v 470micro Elco and BC 547 transistor...can I make a circuit like in your video but with a PLN 220v voltage... Please guide me and wish you success

@JaviersDIY 8 месяцев назад

sir, 220V is a very high input voltage. The circuit only operates within 3.7-5v sir.

@dipusarkar5972 22 дня назад

Speed Controral kivabe set korbo

@pagalsaladka-ui2tn 2 месяца назад

Bro make car indicator circuit 3V for mini car jaise real cars main hota hai same waise hi please ❤❤❤❤❤please

@princesharma2054 2 года назад

Can we connect 18 led each side

@JaviersDIY 2 года назад

Yes sir you can

@ShareTechCreative 3 года назад

Nice👍👍👍

@JaviersDIY 3 года назад

Thank you sir

@UdayaRai-mo4ur Месяц назад

Udaya 🔋🔋👍👍💡💡

@muhammadalmahdeemusa6778 Год назад

Thanks for the simple and easy project, I've given it a try and it works, except for the manipulation I do on the bulbs

@JaviersDIY Год назад

Thank you sir.

@nachovegafp961 Год назад

Sorry, it doesn't work in tinkercad neither cocrodile simulators. I don't know why

@JaviersDIY Год назад

You have a wrong connection sir I think and also, wrong value of the components

@bijoysaha3300 Год назад

Fake video not answering

@suneeldhurvey7437 2 года назад

Sir is me 60led kese chalaye

@amitkhobragade1977 7 месяцев назад

can you load the circuit diagram.. in video is not clear due to obstructions....

@JaviersDIY 7 месяцев назад

in the video sir I attach it.

@xselectroniccircuits6290 Год назад

Good

@WecleArit-wp4bo 8 месяцев назад

Sorry sir... I want to ask, is it possible to add up to 10 right and 10 left LEDs if there are any components that need to be replaced... thank you in advance... good luck

@JaviersDIY 8 месяцев назад

yes you can put 10 LED every channel sir. There is no need to add some components

@WecleArit-wp4bo 8 месяцев назад

@@JaviersDIY Thank you sir...for your knowledge and guidance...best wishes always

@louisveerapen4589 Год назад

Has anyone used 2 transistors AC 128 to make an astable multivibrator known as Flip-Flop with 2 100uf electrolysis capacitors ,2 10 I resistors and 6v bulbs?

@sanasafg1887 2 года назад

@ElectronicaVK Год назад

Daha az malzeme ile benzerini yaptım .logo resminden girip görebilirsiniz.

@JaviersDIY Год назад

For better understanding please use the universal language

@ElectronicaVK Год назад

@@JaviersDIY there are some video in my channal. I have used component less you used.

@JaviersDIY Год назад

Okay

@pradiproy5735 2 года назад

Sir can i use 470 uf 25v capacitor?

@JaviersDIY 2 года назад

Yes sir you can use that one but the interval of the light to blink will be change

@Ruzgar_K_ 3 года назад

can i use 5v ?

@JaviersDIY 3 года назад

Yes sir you can use

@mohanchandramishra4180 3 года назад

Mein try kiya but led blinking nehi kar raha

@hasithamadhushanka8515 Год назад

How to control flashing speed

@JaviersDIY Год назад

It is better to use a potentiometer to control the flashing speed

@parthchudasama9750 Год назад

How can we connect double nos. Of led with this circuit?

@erikavma5624 2 года назад

Excuse me, you have on different position the capacitors in your diagram, If you compare with your proyect, one has the positve to the transistor and the other one has tha negative to the transistor, what's it wrong?

@JaviersDIY 2 года назад

No sir.

@erikavma5624 2 года назад

I am sorry, but I can see the symbol of the capacitor is with negative side to the transistor in your diagram, your circuit is working very well, but the diagram is invested the positive and negative poles. It's just an observation. Thanks for your time and share your knowdlege.

@carlospaternina7200 3 месяца назад

Se puede con un capacitor de 25 volt en vez de 10 volt?

@JaviersDIY 3 месяца назад

for batter understanding please use the universal language

@susannydimaalip4539 Год назад

Pwede makahingi ng diagram Neto?🥺

@JaviersDIY Год назад

I put it on my video sir

@swapniltayde09 3 года назад

Awesome Video. How can I use this circuit for 12V DC power supply?

@JaviersDIY 3 года назад

You need to have an IC to lower the voltage it might burn if you supply 12vDC

@WecleArit-wp4bo 8 месяцев назад

sorry, I made it and it worked. like in the video sir... but if you replace the LED with blue and green it won't turn on... why... even though you tested the LEDs one by one, they all come on, but if you put them in a circuit they won't turn on... there's a problem. where is it... thanks in advance for guidance

@JaviersDIY 8 месяцев назад

voltages is dependent on the color of the LED sir, meaning every colors of the LED have a exact value of input voltage.

@WecleArit-wp4bo 8 месяцев назад

@@JaviersDIY Thank you for your knowledge, sir..I used a 5 volt output adapter as you suggested some time ago..the problem is, if I use red and yellow LEDs, they all flash normally like in the video, sir..but if I use BLUE and GREEN LEDs, why doesn't it work? turns on... even though the LEDs are tested one by one they come on. What should I do sir, please guide me. Thank you

@JaviersDIY 8 месяцев назад

it is better to put a transparent LED with different color because that has a high input voltage around 3V up

@WecleArit-wp4bo 8 месяцев назад

@@JaviersDIY Thank you sir.. I have used 5 volt power, with the same circuit as in your video, I used 4 LEDs on each path (4 left) and (4 right) the difference is that I used 4 colors per path, namely the left path: red-blue - yellow-green and right lane: red-yellow-blue-green. The problem is that the normal light is flickering like in the video sir, only the red and yellow ones are in each lane... the blue and green are off (not on) even though they were tested one by one with all the multimeters. it's on.. why, sir? What do you think is the cause? Please guide, thank you

@JaviersDIY 8 месяцев назад

yes sir that's correct but as what I have mention earlier, the input voltage of that LED is dependent on the color and quality sir. For example the color red LED has a support voltage of 2.5v maximum while the color blue LED has 3-4V that can support meaning it has a big comparison with the color. I suggest just use the same color

@Ruzgar_K_ 3 года назад

Hello there. Would 470 microfarads be a 10 volt capacitor?

@JaviersDIY 3 года назад

No.

@Ruzgar_K_ 3 года назад

@@JaviersDIY Ah. you are using the same. sorry

@eliasvelasquez3329 2 года назад

donde puedo descargar el diagrama?

@LOUDMUSIC001 Год назад

Excue me, how to reduce the speed of light blinking

@JaviersDIY Год назад

Reduce the voltage

@vs8786 2 года назад

Can I use 20 led & 6 v dc this componments

@JaviersDIY 2 года назад

Yes sir

@vs8786 2 года назад

@@JaviersDIY thanx sr solv my problem plz sr daigram Or mil jata to meharbani hogi

@jerryagustin9091 Год назад

Not working

@JaviersDIY Год назад

Maybe sir you connect a wrong connection or something wrong value of the components sir

@leonelbortolozzo6542 Год назад

Os 5 leves que número e

@JaviersDIY Год назад

For better understanding please use the universal language

@astronic4522 Год назад

Nice project, already like and subcribe brother

@WecleArit-wp4bo 8 месяцев назад

Sorry, is it possible to use 220 volt electricity? If it doesn't work, what components should be replaced? Thanks

@JaviersDIY 8 месяцев назад

It is not good if you directly supply a 220VAC , you need to have a module that has an output of 5v.

@WecleArit-wp4bo 8 месяцев назад

@@JaviersDIY thanks for the answer... but is it possible if the Elco is replaced with a 50v 470 micro and the resistor is replaced with a 100k... to connect to 220v electricity... sorry if I'm wrong, I'm a beginner who still has a lot to learn and ask those who already have it. skilled like mister.. thank you

@JaviersDIY 8 месяцев назад

no sir that's not possible

@WecleArit-wp4bo 8 месяцев назад

@@JaviersDIY Thank you.. At first I thought maybe I could replace the Elco, add a diode to the resistor, but with your answer, I didn't dare to try it.. Once again, thank you very much.. I wish you more success and progress.

@WecleArit-wp4bo 8 месяцев назад

@@JaviersDIY sorry sir. I have a 100k resistor and a 50v 470 micro Elco, can it be used to try the circuit like in the video sir? thanks in advance

@atonleomar1481 3 года назад

Is it real? Make led chaser please

@JaviersDIY 3 года назад

Yes sir.

@atonleomar1481 3 года назад

@@JaviersDIY can you make led chaser with ic4017 and ic555 please next content plaase

@preethammandapreethammanda573 2 года назад

Thanks bro it is working

@JaviersDIY 2 года назад

Thank you sir

@misterbee4574 Год назад

Thank you so much for making this.

@JaviersDIY Год назад

Thank you sir. Welcome

@trzen7423 10 месяцев назад

Apakah bisa menggunakan input baterai 9v?

@JaviersDIY 10 месяцев назад

for better understanding please use the universal language

@nenebaez4145 2 года назад

Link of diagram

@JaviersDIY 2 года назад

On the video sir

@nenebaez4145 2 года назад

@@JaviersDIY ok download diagram

@leonelbortolozzo6542 Год назад

São 1,2.ou 4,5..

@fixnreview 3 года назад

Watching from Ormoc City

@JaviersDIY 3 года назад

Thank you sir.

@fixnreview 3 года назад

@@JaviersDIY Go on!

@vs8786 Год назад

सर यह ट्रांसफॉमरलेस सप्लाई से नहीं चलता

@ShayanQuanta Год назад

How to build with a single Led flasher ?

@JaviersDIY Год назад

Just copy my project sir.

@pedrohenriquecarvalholopes2135 Год назад

Hi Javier! First I wanna thank you for sharing this circuit with all of us. You just help me here in Brazil. So, I gotta a question: Can I use a 5 V source to supply?

@JaviersDIY Год назад

Yes sir. But be sure to put a 100 ohm resistor in series to the positive input

@pranavsalunkhe3378 11 месяцев назад

@@JaviersDIY sir please send circuit diagram of this circuit

@JaviersDIY 11 месяцев назад

the circuit drawing is on the video itself sir.

@AircruiserYT Год назад

sir what can i use aside from 547 can't find any bc547

@JaviersDIY Год назад

It should be BC547 sir

@AircruiserYT Год назад

@@JaviersDIY do u have the schematic diagram of this sirr

@koushikbarman5105 2 года назад

Sir how many watt this register. Half watt and quarter watt.

@JaviersDIY 2 года назад

5 watts sir all channel

@Ruzgar_K_ 3 года назад

10k resistor?

@JaviersDIY 3 года назад

Yes sir

@Ruzgar_K_ 3 года назад

@@JaviersDIY can i use 5v ?

@DiscoverElectronic 3 года назад

Nice work

@JaviersDIY 3 года назад

Thank you sir

@Mastergadgets25 Год назад

sir can i use a 1k resister

@JaviersDIY Год назад

Use sir. But expected to have a low flash of lights

@adarshyogi506 Год назад

Bro put circuit diagram bro

@JaviersDIY Год назад

I have a drawing in my video sir.

@nitiketjadhav120 Год назад

How to use ldr to the on/off type

@JaviersDIY Год назад

Just make it on a series connection sir to the wire you prefer to connect

@ronaldriveral2134 Год назад

is it okay if ill use 9v DC sir?

@JaviersDIY Год назад

No sir

@leonelbortolozzo6542 Год назад

Quais são is valores dos resistores

@JaviersDIY Год назад

For better understanding please use the universal language

@vs8786 Год назад

सर यह ट्रांसफॉमरलेस सप्लाई से कैसे चलेगा

@JaviersDIY Год назад

For better understanding please use the universal language

@vs8786 Год назад

@@JaviersDIY Battery ke alava 6v DC Matalab electric light💡 se without 6-0-6 tranformer supply kese chalayenge jese brij rectifayr supply se

@JaviersDIY Год назад

For better understanding please use the universal language

@vs8786 Год назад

@@JaviersDIY sr mera kahana hai ki 105j450v 1m ohms1/4w IN4002 470uf 25v 100 ohms 2w Se bani supply se chal skta hai ye circute

@vs8786 Год назад

@@JaviersDIY sr ji AC circute daigram btaiye iske liye

@shamnadj8011 Год назад

Circuit please.

@JaviersDIY Год назад

In the video sir

@tanimadattaroy6266 Год назад

I have tried but the light is not blinking,l used a 16v 470uf capacitor instead of 10v 470 uf capacitor but still it is not blinking

@tanimadattaroy6266 Год назад

Please reply sir

@JaviersDIY Год назад

Maybe you have a wrong connection sir. That circuit that I have is working properly

@tanimadattaroy6266 Год назад

But l have made it by seeing every step in the mobile, just the capacitor was of 16v 470 uf instead of 10v 470uf. Then?

@tanimadattaroy6266 Год назад

Please make a solution for me sir, please

@JaviersDIY Год назад

Try to use the capacity what is on the video

@tanimadattaroy6266 Год назад

Can l use 25v 470uf capacitor instead of 10v 470uf capacitor??

@JaviersDIY Год назад

Yes sir. You van use that one but be expect to have a slower flash of the light

@tanimadattaroy6266 Год назад

@@JaviersDIY thank you, but will l use 1 or 2 capacitors as shown in this case??

@tanimadattaroy6266 Год назад

Please reply sir

@JaviersDIY Год назад

Yes sir

@tanimadattaroy6266 Год назад

Thank you

@atonleomar1481 2 года назад

This true?

@JaviersDIY 2 года назад

Yes sir

@LOUDMUSIC001 Год назад

Can we insert 12v for this circuit

@JaviersDIY Год назад

No sir. It only operates under 3-4V sir

@catalinciobotaru9703 Год назад

😊 Grazie funziona

@JaviersDIY Год назад

For better understanding please use the universal language

@ramute2445 Год назад

Very very nice

@JaviersDIY Год назад

Thank you

@LakshmiDevi-ws2gu 2 года назад

Send me the circuit diagram 🙏

@JaviersDIY 2 года назад

In the video sir. I attached it

@chrisgee5893 2 года назад

The problem is that Javiers logo covers much of the circuit diagram i have tried to get a frame that’s clear but no joy☹️

@Bang_BIN 2 года назад

Bro,if the capacitor is 22uf 16v can it?

@JaviersDIY 2 года назад

Yes it will function sir

@Bang_BIN 2 года назад

@@JaviersDIY ok,thank you🤗

@dimakowahl 2 года назад

@@JaviersDIY схему немного не правильно нарисовал. Светодиоды обозначаются с двумя стрелочками вверх. >^^ получается что на схеме обыкновенные диоды.> 🤗 А так все отлично!

@dimakowahl 2 года назад

👍👍👍👍👍 ⭐⭐⭐⭐⭐ Great Work! Super!

@JaviersDIY 2 года назад

Thank you sir