GY-31
Chip: TCS230
Input voltage: DC 3V-5V
Output frequency voltage: 0 ~ 5V
Uses bright white LED lights
Can be directly connected with microcontroller
Static color detection of measured object
Best sensing distance: 10mm
GY-33
Chip: TCS34725
Measurement range: RGB 0-255
Response frequency: 10HZ
Operating voltage: 3-5V
Operating current: 15mA
Operating temperature: -20 ~ + 85 ° C
Storage temperature: -40 ~ + 125 ° C
TCS3200
PCB size: about 23mm X 30mm
With four bright white LED lights
Support 3V-5V voltage input
Has 2pcs 3mm install screw holes, span 16.5mm
The glowing tube is controllable.