{"product_id":"common-cathode-rgb-led-5mm-5pcs","title":"Common-Cathode RGB LED 5mm (5 Pcs)","description":"\u003ch1\u003eCommon-Cathode RGB LED 5mm (5 Pcs)\u003c\/h1\u003e\n\u003cp\u003eThis pack of five 5mm common-cathode RGB LEDs lets you mix red, green, and blue light from a single package. Each LED has four legs - one shared ground and one for each colour - so you can create any colour with simple PWM control.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eQuantity: 5 pieces\u003c\/li\u003e\n  \u003cli\u003eSize: 5mm through-hole package\u003c\/li\u003e\n  \u003cli\u003eType: common cathode (shared ground)\u003c\/li\u003e\n  \u003cli\u003ePins: 4 (red, green, blue, common ground)\u003c\/li\u003e\n  \u003cli\u003eUse current-limiting resistors on each colour pin\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cp\u003eWorks with any board that has PWM-capable output pins, including Arduino, ESP32, ESP8266, and Raspberry Pi. Suitable for breadboard and perfboard builds.\u003c\/p\u003e\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eColour-mixing demos and mood lamps\u003c\/li\u003e\n  \u003cli\u003eMulti-state status indicators\u003c\/li\u003e\n  \u003cli\u003eReaction games and learning projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden order includes our AI build companion, delivered by QR code, email, and WhatsApp, to help you wire, flash, and program Common-Cathode RGB LED 5mm (5 Pcs) into a working project. We have spent 10 years supplying boards and components to makers, schools, and engineering institutions across India. When a build does not behave as expected, our team and the AI companion help you debug it.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this common cathode or common anode?\u003c\/summary\u003e\u003cp\u003eThese are common-cathode LEDs, meaning the longest leg is the shared ground.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need resistors?\u003c\/summary\u003e\u003cp\u003eYes, use a current-limiting resistor on each colour pin to protect the LED.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I make any colour?\u003c\/summary\u003e\u003cp\u003eYes, by varying the brightness of red, green, and blue with PWM you can mix a wide range of colours.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"Common-Cathode RGB LED 5mm (5 Pcs)\", \"brand\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}, \"author\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this common cathode or common anode?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These are common-cathode LEDs, meaning the longest leg is the shared ground.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need resistors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, use a current-limiting resistor on each colour pin to protect the LED.\"}}, {\"@type\": \"Question\", \"name\": \"Can I make any colour?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, by varying the brightness of red, green, and blue with PWM you can mix a wide range of colours.\"}}]}\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53474510143853,"sku":null,"price":15.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/product.webp?v=1782134271","url":"https:\/\/compoden.com\/products\/common-cathode-rgb-led-5mm-5pcs","provider":"Compoden","version":"1.0","type":"link"}