{"product_id":"gy-33-tcs34725-color-sensor-module-uart-iic-diy-electronics","title":"GY-33 TCS34725 Color Sensor Module – UART \u0026 IIC Interface","description":"\n\u003ch2\u003eGY-33 TCS34725 Color Sensor Recognition Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGY-33 TCS34725 Color Sensor Module\u003c\/strong\u003e is a compact, cost-effective color recognition solution designed for makers, robotics enthusiasts, and engineers. Powered by the highly capable TCS34725 sensor chip, this module accurately detects and identifies colors by measuring RGB ratio values — making it a versatile upgrade over older TCS230 and TCS3200 modules.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eHow It Works\u003c\/h3\u003e\n\u003cp\u003eThe onboard illumination LED emits light onto a target object. The reflected light passes through an integrated filter, which captures the RGB ratio values. The built-in MCU processes these values and outputs color data directly — no complex calculations required on your end. The module supports \u003cstrong\u003e7 simple color recognitions\u003c\/strong\u003e out of the box, with results readable via serial UART (TTL) or IIC (I²C) interfaces.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🎨 \u003cstrong\u003eTCS34725 Sensor Chip\u003c\/strong\u003e — precise, reliable color detection with RGB 0–255 range\u003c\/li\u003e\n  \u003cli\u003e⚡ \u003cstrong\u003eDual Interface Support\u003c\/strong\u003e — UART (serial) at 9600 or 115200 bps, or IIC (2-wire) — configurable to your project\u003c\/li\u003e\n  \u003cli\u003e💡 \u003cstrong\u003eAdjustable LED Brightness\u003c\/strong\u003e — adapt to different lighting and working environments\u003c\/li\u003e\n  \u003cli\u003e🔋 \u003cstrong\u003eLow Power Consumption\u003c\/strong\u003e — only 15mA operating current; wide voltage range 3–5V\u003c\/li\u003e\n  \u003cli\u003e🤖 \u003cstrong\u003eBuilt-in MCU\u003c\/strong\u003e — handles white balance and color calculation internally; your MCU gets clean RGB output\u003c\/li\u003e\n  \u003cli\u003e📡 \u003cstrong\u003eTwo Output Modes\u003c\/strong\u003e — continuous or query-based output; settings are retained after power-off\u003c\/li\u003e\n  \u003cli\u003e🖥️ \u003cstrong\u003ePC Software Compatible\u003c\/strong\u003e — comes with corresponding PC software for easy testing and integration\u003c\/li\u003e\n  \u003cli\u003e📐 \u003cstrong\u003eCompact \u0026amp; Easy to Install\u003c\/strong\u003e — small form factor fits into tight spaces and DIY builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSensor Chip\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTCS34725\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMeasuring Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRGB 0–255\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Frequency\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–5V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWorking Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15mA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUART (TTL) \/ IIC (I²C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBaud Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9600 bps \/ 115200 bps (configurable)\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-20°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +125°C\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\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmart robots and autonomous vehicles\u003c\/li\u003e\n  \u003cli\u003eTeaching and laboratory equipment\u003c\/li\u003e\n  \u003cli\u003eProduction line product color inspection\u003c\/li\u003e\n  \u003cli\u003eColorimeter and color sorting systems\u003c\/li\u003e\n  \u003cli\u003eLED color detection and control\u003c\/li\u003e\n  \u003cli\u003eDIY electronics and maker projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the GY-33 TCS34725 and older TCS230\/TCS3200 color sensor modules?\u003c\/h4\u003e\n\u003cp\u003eA: The GY-33 TCS34725 color sensor module features a built-in MCU that handles all color calculations internally, outputting clean RGB values directly. Unlike the TCS230 and TCS3200 modules, the GY-33 supports UART and IIC communication interfaces, includes adjustable LED brightness, and offers 7 simple preset color identifications — making it easier to integrate into microcontroller projects without complex signal processing.\u003c\/p\u003e\n\u003ch4\u003eQ: What communication interfaces does the GY-33 color sensor module support?\u003c\/h4\u003e\n\u003cp\u003eA: The GY-33 supports two communication formats: serial UART (TTL level) with configurable baud rates of 9600 bps or 115200 bps, and IIC (I²C, 2-wire). Both continuous and query output modes are available, and your configuration settings are saved even after the module loses power.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the GY-33 TCS34725 module compatible with Arduino and other microcontrollers?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The GY-33 operates at 3–5V and communicates via standard UART or IIC interfaces, making it compatible with Arduino, Raspberry Pi, ESP32, STM32, and most other popular microcontroller platforms. Its low 15mA current draw also makes it ideal for battery-powered and embedded DIY projects.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the GY-33 TCS34725 and older TCS230\/TCS3200 color sensor modules?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The GY-33 TCS34725 color sensor module features a built-in MCU that handles all color calculations internally, outputting clean RGB values directly. Unlike the TCS230 and TCS3200 modules, the GY-33 supports UART and IIC communication interfaces, includes adjustable LED brightness, and offers 7 simple preset color identifications — making it easier to integrate into microcontroller projects without complex signal processing.\"}}, {\"@type\": \"Question\", \"name\": \"What communication interfaces does the GY-33 color sensor module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The GY-33 supports two communication formats: serial UART (TTL level) with configurable baud rates of 9600 bps or 115200 bps, and IIC (I²C, 2-wire). Both continuous and query output modes are available, and your configuration settings are saved even after the module loses power.\"}}, {\"@type\": \"Question\", \"name\": \"Is the GY-33 TCS34725 module compatible with Arduino and other microcontrollers?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The GY-33 operates at 3–5V and communicates via standard UART or IIC interfaces, making it compatible with Arduino, Raspberry Pi, ESP32, STM32, and most other popular microcontroller platforms. Its low 15mA current draw also makes it ideal for battery-powered and embedded DIY projects.\"}}]}\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:\/\/0dwbi8-fa.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/0dwbi8-fa.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"GY-33 TCS34725 Color Sensor Module – UART \u0026 IIC Interface\", \"item\": \"https:\/\/0dwbi8-fa.myshopify.com\/products\/gy-33-tcs34725-color-sensor-module-uart-iic-diy-electronics\"}]}\u003c\/script\u003e","brand":"Quake","offers":[{"title":"Default Title","offer_id":50287261188323,"sku":"\u003cnone\u003e","price":13.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/9439\/1523\/files\/S663cbdb628074d8593d685c421fbf179D.webp?v=1790295225","url":"https:\/\/quakegoods.com\/products\/gy-33-tcs34725-color-sensor-module-uart-iic-diy-electronics","provider":"Quake","version":"1.0","type":"link"}