Incredible Stereo VU Meter Using Just ONE Chip! (KA2281)
Apr 26, 2026•Channel
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Video Overview
Video Details
Published1 month ago
Duration4:00
Video IDOVcAQgn88do
Languageen
CategoryScience & Technology
PrivacyPublic
Made for KidsNo
Video TypeRegular Video
Performance Metrics
Views83.9K
Likes1.8K
Comments86
Engagement Rate2.19%
Likes per 100 views2.09
Comments per 1K views1.02
Video Tags
#stereo vu meter#vu meter circuit#ka2281#cd2281#audio level indicator#led vu meter#stereo audio meter#diy electronics#electronics project#audio visualizer#led music display#vu meter diy#simple vu meter circuit#no microcontroller project#diy audio project#sound level meter#amplifier vu meter#led bar graph#electronics diy#easy electronics project
Description
Incredible Stereo VU Meter Using Just ONE Chip! (KA2281)
Circuit Diagram and PCB
PCB 👉 https://drive.google.com/file/d/14GgdgcYnTxGx2KIftCEH1qWkntcT42D5/view?usp=sharing
Circuit Diagram 👉 https://drive.google.com/file/d/14alLlEn7WeThlSV7APGV22SyX3X9kmPc/view?usp=sharing
Placement Plan👉https://drive.google.com/file/d/1PMhud6v-XeDaN4Vd-y_t9otaH4q5cwjc/view?usp=sharing
In this project, you will learn how to build an incredible stereo VU meter circuit using just one chip – the KA2281. This simple yet powerful audio level indicator allows you to visualize sound levels with LED bars, making it perfect for amplifiers, speakers, and DIY audio systems.
The KA2281 (also known as CD2281) makes the circuit extremely easy to build without the need for a microcontroller. With minimal components, you can create a clean and responsive stereo VU meter that reacts instantly to music signals.
This project is ideal for beginners and electronics enthusiasts looking for a low-cost and effective audio visualization solution. Follow the step-by-step process and bring your audio projects to life with stunning LED effects!