26. 7-Seg LED Nixietube

26.1. Introduction

It is able to display the numbers and time and so on.

../_images/05026_01.png

26.2. Characteristic


  • Designed in RJ11 connections, easy to plug.

26.3. Specification


Item Parameter
SKU EF05026
Connection RJ11
Type of Connection Digital input
Working Voltage 3.3V
Core IC TM1637

26.4. Outlook


../_images/05026_02.png

26.5. Quick to Start


Materials Required and Diagram


  • Connect the 7-Seg LED Nixietube to J1 port in the Nezha expansion board as the picture shows.

microbitplanetX\./images/05026_03.png

26.6. MakeCode Programming


Step 1

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

../_images/05001_04.png

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.

../_images/05001_05.png

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:

../_images/05026_06.png

Result

  • Set it display 12.34.

26.7. Python Programming


Step 1

Download the package and unzip it: PlanetX_MicroPython

Go to Python editor

../_images/05001_072.png

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

../_images/05001_081.png ../_images/05001_091.png ../_images/05026_10.png

Step 2

Reference

from microbit import *
from enum import *
from nixietube import *

tm = NIXIETUBE(J1)
n = 0
while n < 10000:
    tm.set_show_num(n)
    n += 1

Result

  • The numbers from 0~99999 display on the 7-Seg LED Nixietube.

26.8. Relevant File


26.9. Technique File