GY-31 TCS3200 Color Sensor Recognition Module
This GY-31 TCS3200 Colour Recognition Sensor Module is one such module that is excellent at identifying colours or light wavelength frequencies, allowing both humans and robots to identify colours remotely. This offers a whole range of benefits, as it allows us to build cool projects that can identify colours, enabling us to create systems that can, for example, identify when water is muddy or contaminated, differentiate between similar objects of varying colours, or even monitor plant health by revealing precise colour values that the leaves or stems are producing.
In terms of functionality, these Sensors are surprisingly accurate, but are only limited by the relatively short sensing distance of 10mm.
GY-31 Color Sensor Module is made using IC TCS3200, a programmable color light to a frequency converter. It has configurable silicon photodiodes and a current to frequency converter in a single monolithic CMOS Integrated Circuit. Its output is a square wave having a 50% duty cycle with frequency directly proportional to irradiance (light intensity). This module can be directly interfaced with Microcontrollers, Arduino Boards, Raspberry Pi, etc.
Features:
- High-Resolution Conversion of Light Intensity to Frequency
- Programmable Color and Full-Scale Output Frequency
- Power Down Feature
- Stable Temperature Coefficient
- Communicates Directly to Microcontroller
Specifications:
- Chip: TCS3200
- Input voltage: DC 2.7 – 5.5V
- Use bright white LED lights
- Best detection distance: 1cm
Pinout
This Module has the following pins:
- VCC: Module power supply – 2.7V to 5.5V
- GND: Ground
- OUT: Output signal
| Pin | Function | Description |
|---|---|---|
| S0 | Output Frequency Scaling Selection Input | Used to scale the output frequency for the sensor. |
| S1 | Output Frequency Scaling Selection Input | Works with S0 to select the scaling factor for frequency. |
| S2 | Photodiode Type Selection Input | Selects the photodiode type for color detection. |
| S3 | Photodiode Type Selection Input | Works with S2 to choose the photodiode type for accuracy. |
| LED | LED Control | Controls the on/off state of the onboard LED. |
Package Contents:
- 1x GY-31 TCS3200 Color Sensor Recognition Module
Document:
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