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VU meter DIY kit with LEDs | LM3915N-1 LED DRIVER

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This time I bring an electronic kit for beginners, this is a very cheap and interesting device that displays audio levels into the LEDs just like any audio level bar indicator will do. It is simple and fast to build.
This kit comes with a very simple PCB board to solder the components upon, it has all markings to identify where to put each component, and it uses an LM3915N-1 IC chip to process the signals and display it.
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Kit. goo.gl/GAeoxa
Soldering iron kit. goo.gl/PX2Zu5
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Опубликовано:

6 сен 2024

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Комментарии : 22

@Vaclav_Kostka 5 лет назад

just add to the pin 5 LM3915 electrolyte 2.2μF against the ground and the luminosity of the LED diode will improve. also with this capacitor can regulate the speed of movement.

@chapenis 2 года назад

Just completed project where I used this diy vumeter. Needed to turn on relay with audio signal from landline - so I made this kit and used ldr with Arduino and it works flawlessly.

@audiodood 4 года назад

I should check this out. Im gonna do a series on my channel where I review electronic kits.

@audeath666666 4 года назад

Do you think it is possible to use them and make a spectrum analyser with something like 10 of them?

@Michelle-ep3mi 2 года назад

Hi, I’ve just made one, I know how to attach the battery that’s easy, but because I’m a newbie I’m not entirely sure how to connect the music and speaker side. What did you use to connect the cable to? Mine works I can see the lights, I would just like to finish the project with some sound going thru it. Your help would be appreciated 🙏

@thodwrhsgabrihlidhs7480 4 года назад

great job man, i wanna see a circuit with 555 timer on your next video in monostable work out !!! thank you

@lorenzopapagni8545 2 года назад

How much volts in the input?

@mputraaditya9077 3 года назад

Signal to pre amp?

@TheStrobow 3 года назад

Can you share the stl file for 3d printing the case?

@zetonbeton4077 5 лет назад

how did you connect it to your smartphone I only understand how to connect the battery! Can you explain pls thank you in advance..

@Joyplanes 5 лет назад

You need an audio cable. That's it.

@dj-sx4710 5 лет назад

Can 3.5mm cable replaced to RCA cable? I mean, 3.5 male - RCA male, cut the rca lines, and use it for audio signal.

@Joyplanes 5 лет назад

Yes.

@dj-sx4710 5 лет назад

Thanks for information. 😊👍

@PunakiviAddikti 6 лет назад

The voltage levels these things require to register even for the lowest bar is extremely high, even if you turn sensitivity to maximum. You really need to put this thing to the output of a power amplifier. It won't register headphone outputs very well, at acceptable volumes. You need to turn the volume up fully beyond the safety level to get it to register. It's a shame these things don't have integrated amplifiers.

@Joyplanes 6 лет назад

I found out that I had to make a bridge between two pads to fix it, but it doesnt have any instructions explaining that.