Two Channels Tracking Module(EF05019)
Introduction
The two channels Tracking Module has integrated two groups of reflective infrared pair diode, which can be used to make line tracking smart cars.
Products Link
Characteristic
Designed in RJ11 connections, easy to plug.
Specification
| Item | Parameter |
|---|---|
| SKU | EF05019 |
| Connection | RJ11 |
| Type of Connection | Digital output |
| Working Voltage | 3.3V |
| Effective Distance | 8~11mm |
| Black Line | Low level output |
| White Line | High level output |
Outlook
Quick to Start
Materials Required and Diagram
Connect the Two channels tracking module to J1 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/_hy3VDtA3xAqE
You may also download it directly below:
Result
Different icons display on the micro:bit in accordance with the different status detected by the tracking module.
Python Programming
Step 1
Download the package and unzip it: PlanetX_MicroPython
Go to Python editor
We need to add enum.py and tracking.py for programming. Click "Load/Save" and then click "Show Files (1)" to see more choices, click "Add file" to add enum.py and tracking.py from the unzipped package of PlanetX_MicroPython.
Step 2
Reference
from microbit import *
from enum import *
from tracking import *
tracking = TRACKING(J1)
while True:
if tracking.get_state() == 11:
display.show(Image.YES)
elif tracking.get_state() == 10:
display.show(Image.SAD)
elif tracking.get_state() == 00:
display.show(Image.NO)
elif tracking.get_state() == 01:
display.show(Image.HAPPY)
Result
Different icons display on the micro:bit in accordance with the different status detected by the tracking module.