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🌈 TCS34725 RGB Colour Sensor Module with IR Filter & 4150K LED | I²C | AuscomTech
The TCS34725 RGB Colour Sensor Module is a high-accuracy digital colour sensing board designed for precise red, green, blue (RGB) and clear light measurement in embedded and microcontroller projects.
Based on the AMS TCS34725 colour sensor IC, this module integrates an infrared (IR) blocking filter and an onboard neutral-white illumination LED (~4150K) to deliver consistent, repeatable colour readings even under changing ambient light conditions.
With a wide dynamic range, high sensitivity, and simple I²C interface, the TCS34725 is ideal for colour detection, light measurement, calibration systems, robotics, and IoT applications.
⭐ Key Features
🎨 High-Accuracy RGB Colour Sensing
Measures red, green, blue, and clear light channels with excellent colour discrimination and stability.
🚫 Integrated IR Blocking Filter
Minimises infrared light interference, improving colour accuracy under natural and artificial lighting.
💡 Onboard Illumination LED (4150K Neutral White)
Built-in neutral-white LED (~4150K) provides controlled illumination for reliable colour measurement in low or variable light environments.
📡 Digital I²C Interface
Simple two-wire communication for easy integration with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontrollers.
⚡ Wide Supply Voltage Range
VIN: 3.3V–5V
Logic level: 5V safe (onboard regulation and level compatibility)
📈 Wide Dynamic Range & High Sensitivity
Accurate readings across bright and low-light conditions without saturation.
🧱 Compact Breakout Board Design
Ideal for prototyping, embedded systems, and compact electronics projects.
📊 Technical Specifications
Sensor IC: TCS34725
Colour Channels: Red, Green, Blue, Clear (RGB+C)
Interface: I²C (SDA / SCL)
Supply Voltage (VIN): 3.3V – 5V
Logic Level: 5V safe
Onboard LED Colour Temperature: ~4150K (neutral white)
IR Filter: Integrated infrared blocking filter
Output: Digital RGB and clear light values
Interrupt Pin: Yes (INT)
Operating Principle: Photodiode array with digital conversion
Board Type: Development / breakout module
🔌 Pinout
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VIN – Power input (3.3V–5V)
-
GND – Ground
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3V3 – Regulated 3.3V output
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SCL – I²C clock
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SDA – I²C data
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INT – Interrupt output
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LED – Onboard LED control
🧩 Compatible With
• Arduino (UNO, Mega, Nano, etc.)
• ESP32 / ESP8266
• Raspberry Pi
• STM32
• MicroPython & CircuitPython platforms
• I²C-capable microcontrollers
🔧 Typical Applications
• RGB colour detection and sorting
• Ambient light and colour measurement
• Robotics and line-following systems
• Display and LED colour calibration
• IoT environmental sensing
• Educational and STEM projects
• Material and surface colour analysis
⚠️ Important Notes
• The onboard 4150K LED is designed for measurement illumination, not general lighting
• For best accuracy, control the LED via software during measurements
• Ensure correct I²C pull-ups are present (often already included on host boards)
📦 Package Includes
• 1 × TCS34725 RGB Colour Sensor Module with IR Filter & 4150K LED
Please Check Before Ordering
Electronics and development products can vary between models, applications and production batches. Please review the listing information carefully before purchasing.
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AuscomTech provides practical technical information and resources for many of the electronic modules, development boards, sensors and components we stock.
If you need assistance finding the correct information for your purchase, contact us through eBay Messages and we'll help point you in the right direction.
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Returns & Warranty
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We offer hassle-free 30-day change-of-mind returns. Items should be unused and returned in original condition with all supplied accessories.
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Where suitable, you may reuse the original envelope. Neatly cross out the delivery address, clearly write RETURN TO SENDER on the front and lodge it in an Australia Post red street posting box.
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Unless otherwise stated, products include a 12-month warranty against manufacturing faults and component defects.
This warranty is in addition to any rights and consumer guarantees that may apply under Australian Consumer Law.
If Something Is Not Working
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Product Support
AuscomTech is an Australian-owned and operated electronics business based in Tingalpa, Queensland.
We provide practical product information and support for many of the electronic modules, development boards, sensors and components we stock.
Guides & Resources
Depending on the product, resources may include:
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DIY & Development Products
Many electronic modules and development products are intended for DIY, maker, prototyping and engineering use.
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Standard product support does not include complete custom programs, custom firmware or one-off engineering design work.
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All stocked items are packed and dispatched from Tingalpa, Queensland.
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Delicate or protruding components such as pin headers may occasionally move or become slightly bent during letter handling and transit. Minor bending can normally be carefully straightened without affecting the product.
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