Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Model Number	GY-31
Sensor Chip	TCS230 / TCS3200
Operating Voltage	3.3V - 5V DC
Interface Type	Digital I/O
Output Frequency	2Hz to 500kHz
Photo Diode Array	8x8 with Color Filters
Board Dimensions	28mm x 21mm
Mounting Holes	4x 3mm
Compatibility	Arduino, Raspberry Pi, STM32
Package Weight	15g

5 reviews

Anonymous

Apr 03, 2026

Rating: 4/5

Solid build quality

PCB looks good. Documentation could be better.

Anonymous

Mar 20, 2026

Rating: 4/5

Good sensitivity

Takes some calibration but works well.

Anonymous

Feb 18, 2026

Rating: 5/5

Perfect for sorting machine

Using this for a candy sorter. Very accurate.

Anonymous

Feb 17, 2026

Rating: 5/5

Fast shipping

Module arrived quickly and was well packaged.

Anonymous

Jan 23, 2026

Rating: 5/5

Great for Arduino projects

Works exactly as described. Easy to wire up.

5 FAQ

Q: Can it detect black and white?

A: Yes, it measures light intensity for grayscale too.

Q: Does it come with headers?

A: Yes, male headers are included for soldering.

Q: Is there a library available?

A: Yes, many Arduino libraries support TCS230.

Q: What is the detection distance?

A: Optimal range is 10mm to 20mm from the object.

Q: Does this work with 3.3V logic?

A: Yes, it supports 3.3V to 5V.

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