![I made this led volume meter circuit, and only the first led turns on, and it's very dim. I didn't have 1n4148 diodes, so I used 1n4007 diodes instead (they have similar I made this led volume meter circuit, and only the first led turns on, and it's very dim. I didn't have 1n4148 diodes, so I used 1n4007 diodes instead (they have similar](https://preview.redd.it/a77k40o7x9e91.jpg?auto=webp&s=123495f4cd3fca352b32c1edfeaf84f13dd88ee5)
I made this led volume meter circuit, and only the first led turns on, and it's very dim. I didn't have 1n4148 diodes, so I used 1n4007 diodes instead (they have similar
![Amazon.com: DC 5V-12V VU Meter LED VU Meter Module Voice Control Reverse Connection Protection 10cm x 3cm Melody Light for Test Sound Level : Industrial & Scientific Amazon.com: DC 5V-12V VU Meter LED VU Meter Module Voice Control Reverse Connection Protection 10cm x 3cm Melody Light for Test Sound Level : Industrial & Scientific](https://m.media-amazon.com/images/I/71cBN4mn6TL.jpg)
Amazon.com: DC 5V-12V VU Meter LED VU Meter Module Voice Control Reverse Connection Protection 10cm x 3cm Melody Light for Test Sound Level : Industrial & Scientific
![Professional 60 Segment Led Audio Digital Display Level Meter Display Music Spectrum Analyzer Indicator Vu Meter Amplifer Mp3 - Integrated Circuits - AliExpress Professional 60 Segment Led Audio Digital Display Level Meter Display Music Spectrum Analyzer Indicator Vu Meter Amplifer Mp3 - Integrated Circuits - AliExpress](https://ae01.alicdn.com/kf/HLB1ZHR6X.vrK1RjSszfq6xJNVXaF/Professional-60-segment-LED-Audio-digital-Display-Level-Meter-display-Music-Spectrum-Analyzer-indicator-VU-METER.jpg)
Professional 60 Segment Led Audio Digital Display Level Meter Display Music Spectrum Analyzer Indicator Vu Meter Amplifer Mp3 - Integrated Circuits - AliExpress
![Mono Voice Led Level Indicator Music Melody Light Audio Vu Meter Adjustable Sensitivity 20led For 5v 12v Usb Power Amplifier | Fruugo FI Mono Voice Led Level Indicator Music Melody Light Audio Vu Meter Adjustable Sensitivity 20led For 5v 12v Usb Power Amplifier | Fruugo FI](https://img.fruugo.com/product/3/91/864997913_max.jpg)
Mono Voice Led Level Indicator Music Melody Light Audio Vu Meter Adjustable Sensitivity 20led For 5v 12v Usb Power Amplifier | Fruugo FI
![Buy E37 VU Meter Audio Level Indicator Stereo Dual Channel 32 Green LED Module Board Online @ ₹949 from ShopClues Buy E37 VU Meter Audio Level Indicator Stereo Dual Channel 32 Green LED Module Board Online @ ₹949 from ShopClues](https://cdn.shopclues.com/images1/thumbnails/91609/640/1/140452353-91609434-1535462753.jpg)