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Brojač koraka

Početni | MakeCode, Python | LED zaslon, Mjerač ubrzanja | Alati za poboljšavanje performansi, Ljudsko tijelo, Measurement, Multiplication, Senzori, Varijable

1. korak: Napravi

Što je to?

Turn your BBC micro:bit into a step counter (or pedometer) to help you track how active you are - and learn some coding at the same time!

Ova dva videa prikazuju što ćeš napraviti i kojim kodom:


Vodič za kodiranje

Kako to radi

  • Download the code onto a micro:bit and attach a battery pack.
  • Attach the micro:bit and battery pack to your shoe or ankle, place it inside your sock, or just hold it in your hand and shake it as you walk.
  • The code uses the micro:bit’s accelerometer sensor input to sense when your leg is moving.
  • The code counts how many times the micro:bit has been shaken. It stores this number in a variable called ‘steps’.
  • Variables are containers for storing data, which can be accessed and updated while a program is running.
  • Every time the micro:bit accelerometer input senses a shake, the program increases the number held in the variable by 1, and shows the new number on the LED display output.

Što ti treba

  • micro:bit (ili MakeCode simulator)
  • Uređivač MakeCode ili Python
  • battery pack
  • something to attach the micro:bit to your shoe or leg – elastic band, a pipe cleaner, tape or Velcro.

2. korak: Kodiraj

1from microbit import *
4while True:
5    if accelerometer.was_gesture('shake'):
6        steps += 1

3. korak: Unaprijedi

  • Modify the code so it shows your current step count when you press a button.
  • If you find that the code only counts every other step, modify the code to multiply the ‘steps’ variable by two when it’s displayed.
  • Measure the length of your average stride and get your micro:bit to multiply this by the number of steps to calculate the distance you’ve walked.
djevojka pokazuje micro:bitov brojač koraka na cipeli druge djevojke