Audio Level / Volume Unit (VU) Meter Circuit using KA2281 / CD2281

In this video I have shown how to make Volume Unit(VU) or Audio Level meter using KA2281 or CD2281 IC.
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[@omkarram-tx8rh]

Nice project bro keep it up

[@bhanwarsingh6677]

Circuit me or digrame me 27 k resistance lagane me fark ke wo capacitor se pahle he ya Baad me ???

[@Mildelectronics]

As your wish. No problem. These are in series.

[@kabeer9744]

Good job kiya hain mujhe bhoot pasand aya main bhi banunga.... Sb samajh aya. lekin aap ne circuit me 5 LED aur projet me 10 LED lagai hain. aur 27K variable resistance ki 3th pin ka conection kaha hoga? power supply kitne volte ki di hain? Please bataiye.

[@Mildelectronics]

Power supply 12 Volt. 20% kam yada kar sakthe ho. 5 led for one side, dono side k liye 5+5=10 LED. Dono side circuit diagram same to same hi hai.

[@Mildelectronics]

I have used every two led in series line. So two led = one led. But if you want, you can use only one led for one pin out.

[@zombeie]

Bhai mujhe Isko 3.7 v battery se chalana hai, components me kuch modifications karne padenge kya?

[@Mildelectronics]

Use only Red LED. And Resistance value also be lower.

[@zombeie]

@@Mildelectronics thank you, I'll try it out, because I am trying to make an audio amplifier using 3.7 v battery, and pam8403

[@kabeer9744]

Good job....

[@ganeshmalge3900]

Sir a volume se connect kaise karna And 4440 ic pe lagsakte hai

[@Mildelectronics]

Yes.

[@artiray5919]

Helo sir keya 560 ohm resistor ki jaga pe 680 eya 470 ohm resistor Laga sakte he Keya?

[@Mildelectronics]

Ha laga lo.

[@SudiptoDas550]

2 ,3 led all time jal raha hey

[@nikkusharma1533]

Bhai maine home theater vu metar ko volume say na lga kar direct lagana hai volume say vu metar ko koi fark na pday please batay conaction kha karu

[@sanketwaghmare166]

Bhai... Ye wale module mai play pause volume up down ke button dalo na...

[@SureshKumar-us7hd]

Bro suplly kitni Deni hai pls btaey

[@Mildelectronics]

9 to 15 Volt.

[@subhamsahoo1785]

Hello vai namste

[@MohammadAsif-mq1ek]

Good Led vu meter circuit but you can play with stereo sound effects I think this in CD2281 ic is stereo for vu meter. Reply must

[@Mildelectronics]

Yes it is stereo.

[@tamilselven67]

Circuit diagram please

[@kanhayadaw001]

Circuit Diagram Download kro bhai

[@kabeer9744]

Ye kisi comment ka reply nhi dete hain.....

[@Mildelectronics]

No. You can ask me.

[@buddhadebsing6614]

Circuit diagram chahiye please

[@Mildelectronics]

www.afiata.com/wp-content/uploads/2010/05/56-KA2281-A.jpg

[@Aarya_Dj_RAJAPAKAR]

Daigram please