7. Color Sensor(EF05006)

7.1. Introduction

Color sensor aims to read the HUE values of the detected objects.

7.2. Products Link

ELECFREAKS PlanetX Colour Sensor

7.3. Characteristic

Designed in RJ11 connections, easy to plug.

7.4. Specification

Item	Parameter
SKU	EF05006
Connection	RJ11
Type of Connection	IIC
Working Voltage	3.3V
Size	55.8 x 23.8 mm

7.5. Outlook

7.6. Quick to Start

7.6.1. Materials Required and Diagram

Connect the Color sensor to IIC port and the OLED module to another IIC port in the Nezha expansion board as the picture shows.

7.7. MakeCode Programming

7.7.1. Step 1

Click “Advanced” in the MakeCode drawer to see more choices.

We need to add a package for programming, . Click “Extensions” in the bottom of the drawer and search with “PlanetX” in the dialogue box to download it.

Note: If you met a tip indicating that the codebase will be deleted due to incompatibility, you may continue as the tips say or build a new project in the menu.

7.7.2. Step 2

7.7.3. Code as below:

7.7.4. Link

Link: https://makecode.microbit.org/_1559o4XKEftb

You may also download it directly below:

7.7.5. Result

The color of the detected object displays on the OLED module.

7.8. Python Programming

7.8.1. Step 1

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor

We need to add color.py for programming. Click “Load/Save” and then click “Show Files (1)” to see more choices, click “Add file” to add color.py from the unzipped package of PlanetX_MicroPython.

7.8.2. Step 2

7.8.3. Reference

from microbit import *
from color import *
color = COLOR()
while True:
    display.scroll(color.get_hue())

7.8.4. Result

The HUE value displays on the micro:bit.

7.9. Relevant File

7.10. Technique File