15. Motor Fan Module(EF05014)

15.1. Introduction

It is a simple motor-drived fan module.

15.2. Products Link

ELECFREAKS PlanetX Motor Fan

15.3. Characteristic

Designed in RJ11 connections, easy to plug.

15.4. Specification

Item | 参数 :-: | :-: SKU|EF05014 Connection|RJ11 Type of Connection|Analog input Working Voltage|3.3V

15.5. Outlook

15.6. Quick to Start

15.6.1. Materials Required and Diagram

Connect the Motor fan module to J1 port and the potentiaometer to J2 port in the Nezha expansion board as the picture shows.

15.7. MakeCode Programming

15.7.1. 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.

15.7.2. Step 2

15.7.3. Code as below:

15.7.4. Link

Link: https://makecode.microbit.org/_A8ma6p0s7bR7

You may also download it directly below:

15.7.5. Result

The rotation speed of the fan is adjusted by the potentiometer.

15.8. Python Programming

15.8.1. Step 1

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor

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

15.8.2. Step 2

15.8.3. Reference

from microbit import *
from enum import *
from fans import *
fans = FANS(J1)
while True:
    fans.set_fans(1,100)
    sleep(3000)
    fans.set_fans(1,50)
    sleep(3000)
    fans.set_fans(0)
    sleep(3000)

15.8.4. Result

After powering on, the Motor fan module rotates for 3 seconds at the speed of 100% first and then at the speed of 50% for another 3 seconds, and finally stops for 3 seconds.

15.9. Relevant File

15.10. Technique File