Crash Sensor(EF05008)
Introduction
Crash Sensor is a sensor module based on crash components.
Products Link
ELECFREAKS PlanetX Crash Sensor
Characteristic
Designed in RJ11 connections, easy to plug.
Specification
| Item | Parameter |
|---|---|
| SKU | EF05008 |
| Connection | RJ11 |
| Type of Connection | Digital output |
| Working Voltage | 3.3V |
Outlook
Quick to Start
Materials Required and Diagram
Connect the Crash sensor to J1 port and the LED to J2 port in the Nezha expansion board as the picture shows.
MakeCode Programming
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.
Step 2
Code as below:
Link
Link: https://makecode.microbit.org/_Wj9bvpfFm4YK
You may also download it directly below:
Result
The LED lights on if the crash switch was pressed or it lights off.
Python Programming
Step 1
Download the package and unzip it: PlanetX_MicroPython
Go to Python editor
We need to add enum.py and crash.py for programming. Click "Load/Save" and then click "Show Files (1)" to see more choices, click "Add file" to add enum.py and crash.py from the unzipped package of PlanetX_MicroPython.
Step 2
Reference
from microbit import *
from enum import *
from crash import *
crash = CRASH(J1)
while True:
button = crash.crash_is_pressed()
if(button == True):
display.show(Image.HAPPY)
else:
display.show(Image.SAD)
Result
A smile face displays on the micro:bit while the crash switch being pressed or the micro:bit displays a sad face.