{"product_id":"5-24v-automatic-symphony-controller-bare-board-light-bar-2811-1903","title":"5-24V Automatic Symphony LED Controller Board 2811 1903","description":"\u003ch2\u003e5-24V Automatic Symphony Controller Bare Board Light Bar — 2811 \u0026amp; 1903 Compatible\u003c\/h2\u003e\n\n\u003cp\u003eTake your LED lighting projects to the next level with this \u003cstrong\u003e5-24V Automatic Symphony Controller Bare Board Light Bar\u003c\/strong\u003e, compatible with popular WS2811 and 1903 addressable LED protocols. Whether you're building a custom car ambient lighting setup, an eye-catching display, or a DIY electronics project, this compact bare PCB controller delivers dynamic, full-color symphony lighting effects automatically — no complicated programming required.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates on 5V to 24V DC, making it versatile for a broad range of power supplies and vehicle systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2811 \u0026amp; 1903 Protocol Support:\u003c\/strong\u003e Fully compatible with WS2811 and 1903 addressable LED strips for seamless integration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Symphony Mode:\u003c\/strong\u003e Built-in auto-running color-changing effects — plug in and enjoy dynamic light animations instantly.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull-Color RGB Output:\u003c\/strong\u003e Produces vibrant, full-color lighting sequences for stunning visual displays.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Glassfiber PCB:\u003c\/strong\u003e Constructed on a high-quality glassfiber (FR4) circuit board for long-lasting reliability and heat resistance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Bare Board Design:\u003c\/strong\u003e Lightweight and easy to integrate into custom builds, enclosures, or vehicle installations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBroad Application:\u003c\/strong\u003e Ideal for car interior\/exterior LED strips, DIY LED art, decorative lighting, signage, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e 5V – 24V DC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible IC Protocols:\u003c\/strong\u003e WS2811, 1903\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePCB Material:\u003c\/strong\u003e Glassfiber (FR4)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e Full-color RGB (automatic symphony mode)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e Bare board (no enclosure)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is This For?\u003c\/h3\u003e\n\u003cp\u003eThis controller is perfect for electronics hobbyists, automotive enthusiasts, and DIY makers who want a simple, reliable, and affordable way to add automatic color-changing LED effects to their builds. The wide input voltage range makes it especially handy for 12V and 24V vehicle systems as well as standard 5V USB or bench-supply setups.\u003c\/p\u003e\n\n\u003ch3\u003eLearn More About LED Technology\u003c\/h3\u003e\n\u003cp\u003eFor general information on electronic components and standards, visit the \u003ca href=\"https:\/\/www.nist.gov\/topics\/electronics\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST) Electronics resources\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What LED strip protocols are compatible with this symphony controller board?\u003c\/h4\u003e\n\u003cp\u003eA: This controller board is designed to work with WS2811 and 1903 addressable LED strip protocols, both of which are widely used in RGB LED light bars and strips for automotive and decorative applications.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What voltage does the 5-24V Automatic Symphony Controller support?\u003c\/h4\u003e\n\u003cp\u003eA: The controller supports a wide input voltage range of 5V to 24V DC, making it compatible with standard USB 5V power, 12V car electrical systems, and 24V vehicle or industrial power supplies.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the circuit board made of?\u003c\/h4\u003e\n\u003cp\u003eA: The bare board is manufactured using high-quality glassfiber (FR4) PCB material, which provides excellent durability, heat resistance, and electrical insulation for long-lasting performance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this board require programming or external control to run light effects?\u003c\/h4\u003e\n\u003cp\u003eA: No programming is required. The board features an automatic symphony mode that runs dynamic full-color LED sequences on its own as soon as power is applied — making setup quick and effortless.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What LED strip protocols are compatible with this symphony controller board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This controller board is designed to work with WS2811 and 1903 addressable LED strip protocols, both of which are widely used in RGB LED light bars and strips for automotive and decorative applications.\"}}, {\"@type\": \"Question\", \"name\": \"What voltage does the 5-24V Automatic Symphony Controller support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The controller supports a wide input voltage range of 5V to 24V DC, making it compatible with standard USB 5V power, 12V car electrical systems, and 24V vehicle or industrial power supplies.\"}}, {\"@type\": \"Question\", \"name\": \"What is the circuit board made of?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The bare board is manufactured using high-quality glassfiber (FR4) PCB material, which provides excellent durability, heat resistance, and electrical insulation for long-lasting performance.\"}}, {\"@type\": \"Question\", \"name\": \"Does this board require programming or external control to run light effects?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No programming is required. The board features an automatic symphony mode that runs dynamic full-color LED sequences on its own as soon as power is applied — making setup quick and effortless.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Car \u0026 Auto Accessories\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/car-auto-accessories\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"5-24V Automatic Symphony LED Controller Board 2811 1903\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/5-24v-automatic-symphony-controller-bare-board-light-bar-2811-1903\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"Default Title","offer_id":49707779358934,"sku":"\u003cnone\u003e","price":22.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/S48fab6be3baa43ed90e1e1667c5e7c33r.webp?v=1785184409","url":"https:\/\/qmeboost.com\/products\/5-24v-automatic-symphony-controller-bare-board-light-bar-2811-1903","provider":"Qme","version":"1.0","type":"link"}