SR078 TCS230 / TCS3200 Color Recognition Sensor – High Accuracy RGB Detection
The SR078 Color Recognition Sensor, built with the TCS230/TCS3200 programmable color light-to-frequency converter, provides precise RGB color measurement for robotics, automation, and embedded electronics applications. Using its onboard photodiode matrix and programmable frequency output, this module accurately detects Red, Green, and Blue intensity levels, making it suitable for color-sorting robots, industrial inspection, and smart IoT devices.
Engineered with high sensitivity and fast response time, the TCS3200 module integrates seamlessly with Arduino, NodeMcu, ESP32, and Raspberry Pi microcontrollers. Developers, students, and engineers can easily incorporate color recognition features into projects like line-following robots, product quality inspection, agriculture color detection, and light calibration systems.
✨ Key Features
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Accurate RGB color detection using TCS230/TCS3200 sensor
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8×8 photodiode matrix with selectable color filters
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Programmable frequency output (scaling options 2%, 20%, 100%)
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Onboard LEDs for consistent illumination
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Compatible with Arduino, NodeMcu, ESP32, and Raspberry Pi
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Fast response for real-time applications
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Wide operating voltage: 3.3V–5V
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Ideal for robotics, sorting, and automation
🔧 Technical Specifications
| Specification | Details |
|---|---|
| Sensor Chip | TCS230 / TCS3200 |
| Output Type | Square wave (frequency proportional to color intensity) |
| Voltage | 3.3V–5V |
| Photodiodes | 64 (16 red, 16 green, 16 blue, 16 clear) |
| Frequency Scaling | 100%, 20%, 2% |
| Detection Range | Visible color spectrum |
| Interface | Digital output |
| Operating Temperature | -40°C to +85°C |
| Illumination | Onboard white LEDs |
🛠 Applications & Use Cases
Robotics
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Color-sorting robots
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Line-following robots with color detection
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Object identification by color
Industrial & Automation
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Product inspection systems
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Color-based material separation
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Quality control in packaging
Smart Agriculture
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Fruit ripeness detection
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Leaf color analysis
IoT & Educational Projects
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Arduino color scanner
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Color-sensitive smart devices
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Educational sensor kits
Internal helpful category links:
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Arduino & Accessories: https://electroway.org/product-category/arduino-and-accessories/
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NodeMcu IoT Modules: https://electroway.org/product-category/iot-and-smart-solutions/iot-modules/nodemcu/
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Electronics Components: https://electroway.org/product-category/electronics-components/
(Use these only when helpful in your website layout)
⚙ Wiring / Usage Guide
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Connect VCC → 5V, GND → Ground
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Connect OUT → Arduino digital pin
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Use S0, S1 to set frequency scaling
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Use S2, S3 to select Red, Green, or Blue filters
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Read frequency and convert to RGB values in code
Compatible with:
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Arduino Boards: https://electroway.org/product-category/arduino-and-accessories/arduino-boards/
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NodeMcu/ESP32 Modules: https://electroway.org/product-category/iot-and-smart-solutions/iot-modules/nodemcu/
⚠ Precautions
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Avoid exposing sensor to direct sunlight; it may affect accuracy
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Keep the sensor surface clean from dust
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Use stable lighting for consistent readings
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Prevent voltage spikes—use regulated power supply
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Do not touch sensor head with bare hands
🎥 YouTube Tutorial Link
Watch Video:https://www.youtube.com/shorts/oJX06WzARAg
4. Product Summary
The SR078 TCS230/TCS3200 Color Recognition Sensor Module is a high-accuracy RGB detection module ideal for robotics, automation, sorting systems, and Arduino/IoT projects. With programmable frequency output, onboard illumination, and wide compatibility, it’s a versatile sensor for color-based applications.

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