{"product_id":"ht16k33-16x8-led-matrix-driver-breakout","title":"HT16K33 16x8 LED Matrix Driver Breakout (I2C)","description":"\u003ch1\u003eHT16K33 16x8 LED Matrix Driver Breakout (I2C)\u003c\/h1\u003e\n\u003cp\u003eAn HT16K33-based LED matrix controller that drives up to 16x8 (128) LEDs and also scans a 13x3 key matrix, all over a two-wire I2C bus. It offloads multiplexing and brightness control from the host microcontroller.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHT16K33 driver IC\u003c\/li\u003e\n  \u003cli\u003edrives up to 16x8 (128 LEDs)\u003c\/li\u003e\n  \u003cli\u003e13x3 matrix key scan\u003c\/li\u003e\n  \u003cli\u003eI2C two-wire bidirectional bus\u003c\/li\u003e\n  \u003cli\u003eoperating voltage 4.5-5.5V\u003c\/li\u003e\n  \u003cli\u003eboard approx 38 x 20 x 2 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eArduino\u003c\/li\u003e\n  \u003cli\u003eESP32\u003c\/li\u003e\n  \u003cli\u003eESP8266\u003c\/li\u003e\n  \u003cli\u003eRaspberry Pi\u003c\/li\u003e\n  \u003cli\u003eany microcontroller with I2C\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eBuild it with Compoden's AI\u003c\/h2\u003e\u003cp\u003eTell Compoden's AI build assistant what you want to display and it picks a compatible screen, checks it against your board's interface and voltage, and hands you the wiring and the driver code matched to the exact module - all from real in-stock parts.\u003c\/p\u003e\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eWe have spent 10 years supplying displays, boards, and parts to makers, schools, and engineering teams across India. Every Compoden order includes our AI build companion to help you wire the screen and write the driver code.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does it communicate?\u003c\/summary\u003e\u003cp\u003eOver a two-wire bidirectional I2C bus.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow many LEDs can it drive?\u003c\/summary\u003e\u003cp\u003eUp to 16x8, which is 128 LEDs.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat supply voltage does it need?\u003c\/summary\u003e\u003cp\u003e4.5V to 5.5V.\u003c\/p\u003e\u003c\/details\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"Product\", \"name\": \"HT16K33 16x8 LED Matrix Driver Breakout (I2C)\", \"brand\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}, \"mpn\": \"HT16K33\"}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How does it communicate?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Over a two-wire bidirectional I2C bus.\"}}, {\"@type\": \"Question\", \"name\": \"How many LEDs can it drive?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Up to 16x8, which is 128 LEDs.\"}}, {\"@type\": \"Question\", \"name\": \"What supply voltage does it need?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"4.5V to 5.5V.\"}}]}\u003c\/script\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53479317963117,"sku":null,"price":161.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/product_96ff3c64-9ae1-43b8-bc45-7db24c24a219.webp?v=1782207992","url":"https:\/\/compoden.com\/products\/ht16k33-16x8-led-matrix-driver-breakout","provider":"Compoden","version":"1.0","type":"link"}