{"title":"Addressable LEDs (WS2812)","description":"\u003cp\u003eAddressable LEDs such as the WS2812 (often called NeoPixels) let you set the colour and brightness of every LED in a strip, ring or matrix from a single data pin. That is what makes light shows, sound-reactive strips, clocks, timers and status rings possible with just one wire from your board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePower is the part that catches people:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA WS2812 can draw up to about 60 mA per LED at full white.\u003c\/li\u003e\n\u003cli\u003eA handful of LEDs can run from the Arduino's 5V pin for testing.\u003c\/li\u003e\n\u003cli\u003eLonger strips need their own 5V supply, with ground shared back to the board.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFor a reliable strip:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAdd a resistor of a few hundred ohms in series with the data line.\u003c\/li\u003e\n\u003cli\u003eAdd a large capacitor across the strip's power input. That stops the first LED flickering or showing wrong colours.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePick a strip for long runs.\u003c\/li\u003e\n\u003cli\u003ePick a ring for timers and gauges.\u003c\/li\u003e\n\u003cli\u003ePick a matrix for text and pixel art.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eOrdinary LEDs\u003c\/strong\u003e are different. A plain LED needs a current-limiting resistor: supply voltage minus the LED's forward voltage, divided by the current you want.\u003c\/p\u003e\n\u003cp\u003eWS2812 parts work with Arduino and ESP32 using common LED libraries.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eHow much power does a WS2812 strip need?\u003c\/h3\u003e\n\u003cp\u003eUp to about 60 mA per LED at full white. Use a separate 5V supply for more than a few LEDs.\u003c\/p\u003e\n\u003ch3\u003eWhy does the first LED flicker?\u003c\/h3\u003e\n\u003cp\u003eUsually a missing series resistor on the data line or a dipping supply. Add the resistor and a capacitor across power.\u003c\/p\u003e\n\u003ch3\u003eHow many pins does a strip need?\u003c\/h3\u003e\n\u003cp\u003eOne data pin, plus 5V and ground.\u003c\/p\u003e\n\u003ch3\u003eHow do I size a resistor for a normal LED?\u003c\/h3\u003e\n\u003cp\u003eSubtract the LED's forward voltage from the supply, then divide by the current. Our 2-minute guide works through it.\u003c\/p\u003e\n\u003ch2\u003eGuides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/esp32-pomodoro-timer-ws2812-ring-rotary-encoder\"\u003eIdea to Build: An ESP32 Pomodoro Desk Timer With a WS2812 LED Ring and a Rotary Encoder\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/make-a-sound-reactive-led-strip\"\u003eMake a Sound-Reactive LED Strip\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/led-current-limiting-resistors-the-2-minute-math\"\u003eLED Current-Limiting Resistors: The 2-Minute Math\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How much power does a WS2812 strip need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Up to about 60 mA per LED at full white. Use a separate 5V supply for more than a few LEDs.\"}}, {\"@type\": \"Question\", \"name\": \"Why does the first LED flicker?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Usually a missing series resistor on the data line or a dipping supply. Add the resistor and a capacitor across power.\"}}, {\"@type\": \"Question\", \"name\": \"How many pins does a strip need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"One data pin, plus 5V and ground.\"}}, {\"@type\": \"Question\", \"name\": \"How do I size a resistor for a normal LED?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Subtract the LED's forward voltage from the supply, then divide by the current. Our 2-minute guide works through it.\"}}]}\u003c\/script\u003e","products":[{"product_id":"ws2812b-5050-rgb-led-ring-light-241-leds-9-rings-matrix","title":"WS2812B 5050 RGB LED Ring Light 241 LEDs 9 Rings Matrix","description":"\u003ch1\u003eWS2812B 5050 RGB LED Ring Light 241 LEDs 9 Rings Matrix\u003c\/h1\u003e\n\u003cp\u003eThis WS2812B LED ring light features 241 individually addressable 5050 RGB LEDs arranged in 9 concentric rings on a black PCB. Each LED can be controlled with just one data line, making it ideal for circular lighting, wearables, signage, and interactive art projects. The ring runs on 5V DC and provides high brightness with full 24-bit color control.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLED Type\u003c\/td\u003e\n\u003ctd\u003eWS2812B 5050 RGB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTotal LEDs\u003c\/td\u003e\n\u003ctd\u003e241\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArrangement\u003c\/td\u003e\n\u003ctd\u003e9 concentric rings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eData Protocol\u003c\/td\u003e\n\u003ctd\u003eSingle-wire (NZR)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e~130mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCircular RGB clock with animated effects\u003c\/li\u003e\n  \u003cli\u003eWearable LED badge or costume lighting\u003c\/li\u003e\n  \u003cli\u003eAmbient light ring for photography\u003c\/li\u003e\n  \u003cli\u003eInteractive wall art with motion-reactive patterns\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks directly with Arduino, ESP32, Raspberry Pi Pico, and other 5V microcontrollers. Compatible with FastLED and Adafruit NeoPixel libraries. Use a 5V, 2A+ power supply for full brightness. Connect DI pin to any digital output, and link DO to the next ring’s DI for daisy-chaining.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect VCC to 5V, GND to common ground, and DIN to your controller’s data pin. A 330Ω resistor in series with the data line and a 1000µF capacitor across power input are recommended to protect the first LED. Avoid powering through the microcontroller; use external 5V supply with sufficient current.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-7 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, the WS2812B ring works with Arduino Uno using digital pin 6 with FastLED or NeoPixel libraries. Provide separate 5V power to the ring.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow many LEDs are on each ring?\u003c\/summary\u003e\u003cp\u003eThe 9 rings contain LEDs in the following order from innermost: 1, 8, 12, 16, 24, 32, 40, 48, 60 — totalling 241 LEDs. Exact counts may vary slightly by manufacturing batch.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I cut the rings apart?\u003c\/summary\u003e\u003cp\u003eThe rings are on a single PCB, but you can cut between rings along the marked break lines to use them separately. Each ring has its own data in\/out pads.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445086708077,"sku":"CDN-0089","price":3040.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/ws2812b-5050-rgb-led-ring-light-241-leds-9-rings-matrix-4391839.jpg?v=1790779567"},{"product_id":"rgb-led-24-bit-ws2812-circular-development-board","title":"RGB LED 24 Bit WS2812 Circular Development Board","description":"\u003ch1\u003eRGB LED 24 Bit WS2812 Circular Development Board\u003c\/h1\u003e\n\n\u003cp\u003eThe RGB LED 24 Bit WS2812 Circular Development Board features 24 super bright WS2812 5050 RGB LEDs arranged on a 86mm diameter circular PCB. Each LED is individually addressable, allowing you to create dynamic lighting effects using a single microcontroller pin. This board is ideal for makers, hobbyists, and students building colorful display projects.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLED Type: 24 x WS2812 5050 RGB LEDs (NeoPixel compatible)\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eLogic Level: 5V (3.3V compatible with level shifting)\u003c\/li\u003e\n\u003cli\u003eInterface: Single-wire digital control (DI\/DO)\u003c\/li\u003e\n\u003cli\u003eBoard Diameter: 86mm (outer)\u003c\/li\u003e\n\u003cli\u003eColor Depth: 24-bit per pixel (16.7 million colors)\u003c\/li\u003e\n\u003cli\u003eBuilt-in IC: Each LED has integrated driver IC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (Uno, Mega, Nano, Leonardo)\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (via GPIO or SPI)\u003c\/li\u003e\n\u003cli\u003eSTM32 and other 5V\/3.3V microcontrollers\u003c\/li\u003e\n\u003cli\u003eAdafruit NeoPixel library compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCircular clock or timer display with color-coded segments\u003c\/li\u003e\n\u003cli\u003eInteractive mood lighting or ambient light ring for desks\u003c\/li\u003e\n\u003cli\u003eLED ring for audio visualizers or VU meters\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery RGB LED WS2812 Circular Board comes with access to our AI build companion — delivered via QR code, email, or WhatsApp — to help you wire and program your project from start to finish. With 10 years of experience supplying electronics to makers, schools, and engineering institutions across India, we ensure you get reliable components and real support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between WS2812 and WS2812B?\u003c\/summary\u003e\n\u003cp\u003eWS2812 and WS2812B are functionally identical — both use a single-wire control protocol and are 5V addressable RGB LEDs. The WS2812B is a newer package variant with improved heat dissipation. This board uses WS2812 LEDs, which work with the same libraries and code as WS2812B.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I power the RGB LED Circular Board?\u003c\/summary\u003e\n\u003cp\u003eFor full brightness with all 24 LEDs, use a 5V DC power supply capable of at least 2A. For lower brightness or fewer LEDs, a 5V 1A supply may suffice. Always connect the power and ground before the data line to avoid damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the RGB LED WS2812 Circular Board?\u003c\/summary\u003e\n\u003cp\u003eYou can pay using UPI, credit\/debit cards, or Cash on Delivery (COD) if checkout offers it for your order. All payment options are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship the RGB LED WS2812 Circular Board across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53492636516717,"sku":"CDN-2284","price":1035.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/rgb-led-24-bit-ws2812-circular-development-board-5678476.jpg?v=1785259571"},{"product_id":"led-board-set-ws2812","title":"LED Board Set WS2812","description":"\u003ch1\u003eLED Board Set WS2812\u003c\/h1\u003e\n\u003cp\u003eThe LED Board Set WS2812 is an intelligent RGB LED module featuring individually addressable WS2812 LEDs that enable full-color control with PWM dimming capabilities. Professional developers, IoT engineers, and embedded systems specialists use this product to create dynamic lighting effects, smart home automation systems, and interactive display projects.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLED Type: WS2812 (intelligent control RGB LED)\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 5V DC\u003c\/li\u003e\n\u003cli\u003eData Transfer Rate: 800 kbps\u003c\/li\u003e\n\u003cli\u003eColor Depth: 24-bit (8-bit per channel)\u003c\/li\u003e\n\u003cli\u003ePWM Frequency: 400 Hz\u003c\/li\u003e\n\u003cli\u003eCommunication Protocol: Single-wire (DIN to DOUT)\u003c\/li\u003e\n\u003cli\u003eNumber of LEDs: Varies by board set configuration\u003c\/li\u003e\n\u003cli\u003eDimensions: Varies by board set configuration\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino (Uno, Mega, Nano, Leonardo)\u003c\/li\u003e\n\u003cli\u003eESP32 and ESP8266\u003c\/li\u003e\n\u003cli\u003eRaspberry Pi (any model with GPIO)\u003c\/li\u003e\n\u003cli\u003eSTM32 microcontrollers\u003c\/li\u003e\n\u003cli\u003eTeensy and other 5V\/3.3V logic boards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart ambient lighting for home or office with color-changing effects\u003c\/li\u003e\n\u003cli\u003eInteractive LED matrix displays for clocks, scoreboards, or art installations\u003c\/li\u003e\n\u003cli\u003eIoT-controlled decorative lighting for festivals or events\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eWith 10 years of experience supplying makers and institutions across India, every LED Board Set WS2812 comes with access to our AI build companion — delivered via QR, email, or WhatsApp — that helps you wire and program this part into a working project. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between WS2812 and WS2812B?\u003c\/summary\u003e\n\u003cp\u003eWS2812 and WS2812B are functionally identical in terms of protocol and color control. The WS2812B is a newer package variant with a smaller footprint and integrated driver IC, while the original WS2812 uses a separate driver chip. Both are compatible with the same code and wiring.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I control multiple WS2812 LEDs with one pin?\u003c\/summary\u003e\n\u003cp\u003eWS2812 LEDs use a single-wire protocol where data is daisy-chained from one LED to the next. You connect the DIN of the first LED to a microcontroller pin, then DOUT to the next LED's DIN. All LEDs are addressed individually by sending a data stream that specifies the color for each LED in order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for LED Board Set WS2812?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit and debit cards, and Cash on Delivery (COD) if checkout offers it for your order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take for LED Board Set WS2812?\u003c\/summary\u003e\n\u003cp\u003eWe ship LED Board Set WS2812 across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53492689797485,"sku":"CDN-2233","price":1652.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/led-board-set-ws2812-9310211.jpg?v=1785259359"}],"url":"https:\/\/compoden.com\/collections\/addressable-leds.oembed","provider":"Compoden","version":"1.0","type":"link"}