{"product_id":"tcs34725-tcs3200-tcs230-color-sensor-gy31-gy33-arduino","title":"TCS34725 \/ TCS3200 \/ TCS230 Color Sensor Module — GY-31\/GY-33, I²C\/Frequency, Arduino","description":"\u003ch2\u003eTCS34725 \/ TCS3200 \/ TCS230 RGB Color Sensor Module — GY-31 \/ GY-33, Arduino\u003c\/h2\u003e\u003cp\u003eThis listing covers the popular \u003cstrong\u003eRGB color sensor modules\u003c\/strong\u003e based on TCS34725 (I²C, GY-33) and TCS3200\/TCS230 (frequency output, GY-31). Both detect the color of objects by measuring reflected red, green, and blue light intensity, enabling Arduino-based color sorting, calibration, and detection applications.\u003c\/p\u003e\u003ch3\u003eModule Variants\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModule\u003c\/th\u003e\n\u003cth\u003eSensor IC\u003c\/th\u003e\n\u003cth\u003eInterface\u003c\/th\u003e\n\u003cth\u003eSupply\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY-33\u003c\/td\u003e\n\u003ctd\u003eTCS34725\u003c\/td\u003e\n\u003ctd\u003eI²C (SDA\/SCL)\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGY-31\u003c\/td\u003e\n\u003ctd\u003eTCS3200 \/ TCS230\u003c\/td\u003e\n\u003ctd\u003eFrequency output\u003c\/td\u003e\n\u003ctd\u003e3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eTCS34725 (GY-33) Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eI²C (address 0x29)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC Resolution\u003c\/td\u003e\n\u003ctd\u003e16-bit per channel (R, G, B, Clear)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIntegration Time\u003c\/td\u003e\n\u003ctd\u003e2.4ms – 700ms (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGain\u003c\/td\u003e\n\u003ctd\u003e1×, 4×, 16×, 60× (programmable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIR Filter\u003c\/td\u003e\n\u003ctd\u003eBuilt-in (improves color accuracy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eTCS3200\/TCS230 (GY-31) Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eFrequency output (pulseIn() or interrupt)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eColor Selection\u003c\/td\u003e\n\u003ctd\u003eS2\/S3 pins select R\/G\/B\/Clear filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency Scaling\u003c\/td\u003e\n\u003ctd\u003e2%, 20%, 100% (S0\/S1 pins)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3V – 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Choose These Color Sensors?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTCS34725 (GY-33)\u003c\/strong\u003e — 16-bit I²C output, built-in IR filter, best color accuracy; ideal for precise color matching\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTCS3200 (GY-31)\u003c\/strong\u003e — Frequency output, no library needed for basic use; ideal for line-following and color sorting\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhite LED Illumination\u003c\/strong\u003e — Onboard LEDs provide consistent illumination for repeatable readings\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino Library Support\u003c\/strong\u003e — Adafruit TCS34725 library (I²C) and TCS3200 library available\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eColor sorting conveyor (detect red\/green\/blue objects)\u003c\/li\u003e\n\u003cli\u003eLine-following robot color line detection\u003c\/li\u003e\n\u003cli\u003ePaint color matching and verification\u003c\/li\u003e\n\u003cli\u003eFood quality inspection by color\u003c\/li\u003e\n\u003cli\u003eLED color calibration and white balance\u003c\/li\u003e\n\u003cli\u003eColorimetry in laboratory instruments\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eArduino Library \u0026amp; Setup\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eTCS34725 (GY-33):\u003c\/strong\u003e Install “Adafruit TCS34725” library. Connect SDA→A4, SCL→A5. Use \u003ccode\u003etcs.getRawData(\u0026amp;r, \u0026amp;g, \u0026amp;b, \u0026amp;c)\u003c\/code\u003e.\u003cbr\u003e\u003cstrong\u003eTCS3200 (GY-31):\u003c\/strong\u003e Connect S0→HIGH, S1→HIGH (100% scaling), S2\/S3 to digital pins. Use \u003ccode\u003epulseIn(OUT, LOW)\u003c\/code\u003e to measure frequency for each color.\u003c\/p\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Which module is more accurate, GY-31 or GY-33?\u003c\/strong\u003e\u003cbr\u003eA: GY-33 (TCS34725) is significantly more accurate due to 16-bit ADC, built-in IR filter, and programmable gain. GY-31 is simpler but less precise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How close should the sensor be to the object?\u003c\/strong\u003e\u003cbr\u003eA: 5–10mm is optimal for both modules. Closer gives stronger signal; farther reduces accuracy due to ambient light interference.\u003c\/p\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× Color Sensor Module (GY-31 or GY-33 — per selected variant)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"TCS3200 White","offer_id":46991491793131,"sku":"14:175#TCS3200 White","price":15.76,"currency_code":"USD","in_stock":true},{"title":"TCS3200 Black","offer_id":46991491825899,"sku":"14:173#TCS3200 Black","price":15.72,"currency_code":"USD","in_stock":true},{"title":"GY-33","offer_id":46991491858667,"sku":"14:29#GY-33","price":16.92,"currency_code":"USD","in_stock":true},{"title":"GY-31","offer_id":46991491891435,"sku":"14:10#GY-31","price":15.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/gy31-gy33-color-sensor-module.webp?v=1761535565","url":"https:\/\/keszoox.com\/products\/tcs34725-tcs3200-tcs230-color-sensor-gy31-gy33-arduino","provider":"Keszoox","version":"1.0","type":"link"}