GY-31 TCS230 TCS3200 Colour Recognition Sensor

Specification

• Sensor IC:
  • Chipset: TCS230 or TCS3200
  • Manufacturer: TAOS (Texas Advanced Optoelectronic Solutions)
  • Type: Programmable color light-to-frequency converter
• Operating Characteristics:
  • Supply Voltage: 2.7V to 5.5V (typically 5V)
  • Current Consumption:
    • Active Mode: Typically 2mA (at 5V)
    • Power Down: <0.01μA
  • Operating Temperature Range: -40°C to +85°C
• Light Detection Range:
  • Detects the full visible light spectrum (400nm to 700nm)
• Photodiodes and Filter:
  • 8×8 array of 64 photodiodes:
    • 16 with red filter
    • 16 with green filter
    • 16 with blue filter
    • 16 without filter (clear)
• Output:
  • Type: Frequency Output (square wave)
  • Frequency proportional to the intensity of detected color
  • Output Frequency:
    • Low: 2Hz to 500kHz (programmable)
    • Scaling options: 1%, 10%, or 100%
• Programming Features:
  • Sensitivity control via integration time and output scaling
  • Output enable pin to enable/disable sensor output
  • Control Pins:
    • S0, S1: Output frequency scaling
    • S2, S3: Filter selection (red, green, blue, or clear)
• Module Features:
  • Board Dimensions: 28mm × 28mm (1.1 inch × 1.1 inch)
  • Mounting Holes: Four 2.5mm holes
  • Onboard Components: Passive components for stable operation
  • LED Illumination: White LEDs to illuminate the object
• Applications:
  • Color detection in robotics
  • Product sorting
  • Industrial automation
  • Consumer electronics with color detection
• Pinout (GY-31 Module):
  • VCC: Power supply (2.7V to 5.5V)
  • GND: Ground
  • S0, S1: Output frequency scaling pins
  • S2, S3: Filter selection pins
  • OUT: Output frequency signal
  • OE: Output enable (active low)
• Scaling Frequency Control:
  • S0 = 0, S1 = 0: Power down
  • S0 = 0, S1 = 1: 2% frequency scaling
  • S0 = 1, S1 = 0: 20% frequency scaling
  • S0 = 1, S1 = 1: 100% frequency scaling
• Color Filter Selection:
  • S2 = 0, S3 = 0: Red filter selected
  • S2 = 0, S3 = 1: Blue filter selected
  • S2 = 1, S3 = 0: Clear (no filter)
  • S2 = 1, S3 = 1: Green filter selected