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OSEPP - Color Sensor Module
Magic Pen: Scan a Color & Instantly Draw With It | Designs & Ideas on Dornob
TCS230 Sensor Color Recognition w/ Arduino Calibration Code included
Color Pick Pen - Scribble - Capture and Draw with 16 Million Colors
Colorpik Pen
Scribble - The Only Pen That Lets You Draw With 16 Million Colors | Low Prices
Amazon.com: HiLetgo TCS-34725 TCS34725 RGB Light Color Sensor Colour Recognition Module RGB Color Sensor with IR Filter and White LED for Arduino : Electronics
Three color sensors take the pain out of paint matching - CNET
Color Detection Using Raspberry Pi & Python Animation Tools - Hackster.io
Color Pick Pen - Scribble - Capture and Draw with 16 Million Colors
Color Sensor RGB TCS3472 - Unit expansion module Botland - Robotic Shop
This smart pen's ink changes based on whatever color you scan | VentureBeat