18. Push Button Module(EF05017)¶
18.1. Introduction¶
The Push button module is able to detect your press action.
18.2. Products Link¶
18.3. Characteristic¶
Designed in RJ11 connections, easy to plug.
18.4. Specification¶
Item | Parameter :-: | :-: SKU|EF05017 Connection|RJ11 Connections type|Digit output Power|3.3V
18.5. Outlook¶
18.6. Quick to Start¶
18.6.1. Materials Required and Diagram¶
Connect the Push-button module to J1 port in the Nezha expansion board as the picture shows.
18.7. MakeCode Programming¶
18.7.1. 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.
18.7.2. Step 2¶
18.7.3. Code as below:¶
18.7.4. Link¶
Link: https://makecode.microbit.org/_7bYWKYccY73R
You may also download it directly below:
18.7.5. Result¶
The icons display on the micro:bit accordingly with the order given by pressing button A or B or A+B.
18.8. Python Programming¶
18.8.1. Step 1¶
Download the package and unzip it: PlanetX_MicroPython
Go to Python editor
We need to add enum.py and button.py for programming. Click “Load/Save” and then click “Show Files (1)” to see more choices, click “Add file” to add enum.py and button.py from the unzipped package of PlanetX_MicroPython.
18.8.2. Step 2¶
18.8.3. Reference¶
from microbit import *
from enum import *
from button import *
button = BUTTON(J1)
while True:
if button.A_is_pressed():
display.show(Image.HAPPY)
elif button.B_is_pressed():
display.show(Image.SAD)
elif button.AB_is_pressed():
display.show(Image.COW)
sleep(500)
18.8.4. Result¶
The icons display on the micro:bit accordingly with the order given by pressing button A or B or A+B.