Microbit Inventor Project Sensors & Circuits
Easy
30 mins
190 points
What you need:
  • Computer/laptop
  • Microbit
  • USB Cable
  • LED Strip with crocodile clips

LED Stacking

Create a stacking effect using your LED strip controlled by your microbit. Program the A and B buttons to increase and decrease the size of the stack.

1 - Create a new Microbit project

To get started create a new Microbit project.

makecode.microbit.org

2 - Add the neopixel extension

To access the blocks we need to program the LED strip, you need to add the neopixel extension to your project.


3 - Setup the LED Strip

To be able to interact and program the LED strip we will need a variable that stores the strip.

Add the following code to your project. We set the value to be 30 as there are 30 LEDs on the strip.

4 - Create an amount variable

We need a variable to store the amount of LEDs in our stack.

Create a variable called amount.

5 - Create a function to show the stack

At several times we will want to show the stack of LEDs lit up. Rather than add the code to light up the stack each time, let's create a function that has the code to light up the stack. We can then call this function anytime we want to run that code.

Create a function called "showStack".

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