25. Relay Module(EF05025)#
It adopts a mini and high-quality HUIKE relay.
Designed in RJ11 connections, easy to plug.
|Type of Connection||Digital input|
25.6. Quick to Start#
25.6.1. Materials Required and Diagram#
Connect the Relay to J1 port in the Nezha expansion board as the picture shows.
25.7. MakeCode Programming#
25.7.1. 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.
25.7.2. Step 2#
25.7.3. Code as below:#
It switches the current channels by pressing button A or B.
25.8. Python Programming#
25.8.1. Step 1#
Download the package and unzip it: PlanetX_MicroPython
Go to Python editor
We need to add enum.py and relay.py for programming. Click “Load/Save” and then click “Show Files (1)” to see more choices, click “Add file” to add enum.py and relay.py from the unzipped package of PlanetX_MicroPython.
25.8.2. Step 2#
from microbit import * from enum import * from relay import * l = RELAY(J1) l.set_relay(1)
Control the off/on of the Relay.