{"product_id":"10-segment-audio-level-indicator-lm3915-diy-kit-led-vu-meter","title":"10-Segment LM3915 Audio Level Indicator DIY Kit – LED VU Meter","description":"\u003ch2\u003e10-Segment Audio Level Indicator LM3915 DIY Soldering Kit\u003c\/h2\u003e\n\u003cp\u003eBuild your own professional-grade audio level display with this \u003cstrong\u003e10-Segment Audio Level Indicator DIY Kit\u003c\/strong\u003e, powered by the iconic \u003cstrong\u003eLM3915 IC\u003c\/strong\u003e. Whether you're a hobbyist, electronics student, or maker, this kit offers a hands-on way to visualize audio signal levels with a bright, eye-catching 10-LED bar graph display. Perfect for DIY audio projects, home stereo systems, amplifier builds, and electronics learning kits.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLM3915 IC\u003c\/strong\u003e – Logarithmic dot\/bar display driver for accurate audio level visualization\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e10-Segment LED Display\u003c\/strong\u003e – Clear, real-time audio signal level indication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Supply Voltage\u003c\/strong\u003e – Operates on 9V–12V DC for flexible power options\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature Range\u003c\/strong\u003e – Reliable performance from -40°C to +80°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package Components\u003c\/strong\u003e – Compact, space-saving design for clean builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Assembly\u003c\/strong\u003e – Fully customizable; ideal for soldering practice and electronics projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComputer \u0026amp; Audio Applications\u003c\/strong\u003e – Compatible with a wide range of audio sources\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals\u003c\/strong\u003e – Safe and responsible component selection\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNew Condition\u003c\/strong\u003e – All components included fresh from manufacturer\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIC\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLM3915\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSegments\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9V – 12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eGreat for DIY Electronics Enthusiasts\u003c\/h3\u003e\n\u003cp\u003eThis kit is an excellent project for anyone looking to sharpen their soldering skills or add a functional audio visualizer to their workbench or audio equipment. The LM3915 drives the LED bar graph in a logarithmic scale — perfectly suited for audio VU meter applications — giving you a realistic and responsive display of sound levels.\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/360-bicycle-chain-cleaner-tool-gear-cleaning-kit\"\u003e360° Bicycle Chain Cleaner Tool | Bike Gear Cleaning Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What IC does this audio level indicator DIY kit use?\u003c\/h4\u003e\n\u003cp\u003eA: This kit is built around the \u003cstrong\u003eLM3915\u003c\/strong\u003e integrated circuit, a popular logarithmic dot\/bar display driver widely used in audio VU meter and signal level indicator projects. It drives up to 10 LEDs to display audio signal strength in a clear bar-graph format.\u003c\/p\u003e\n\u003ch4\u003eQ: What power supply does the LM3915 DIY kit require?\u003c\/h4\u003e\n\u003cp\u003eA: The kit operates on a supply voltage of \u003cstrong\u003e9V to 12V DC\u003c\/strong\u003e, making it compatible with standard DC wall adapters or 9V batteries for portable use.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this kit suitable for beginners learning electronics and soldering?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This 10-segment audio level indicator DIY kit is a great hands-on project for beginners and intermediate electronics hobbyists alike. It provides a practical introduction to SMD components, IC-based circuit design, and audio signal visualization through soldering assembly.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What IC does this audio level indicator DIY kit use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This kit is built around the LM3915 integrated circuit, a popular logarithmic dot\/bar display driver widely used in audio VU meter and signal level indicator projects. 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