The BBC micro:bit is a small but yet powerful learning computer for kids and grown ups.
The BBC micro:bit is a small but yet powerful learning computer for kids and grown ups.
Questions tagged [bbc-microbit]
170 questions
4
votes
2 answers
Are there event callbacks in BBC MicroPython?
I am trying to translate the following from Javascript to MicroPython for the micro:bit. This is code example 3 from the inventor's kit translated from block to Javascript.
let light_state = 0
# how do you do this…
cup
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4
votes
4 answers
Micro:bit Bluetooth Low Energy Hacking Persistence (High School Internship Project)
My project is to create an interactive program using the Micro:bit microprocessor I'm building a game which uses a drill motor as a controller of sorts reading the rotation direction and speed as inputs for control
but my mentor also said it would…
TheKingOfJesters
- 91
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3
votes
4 answers
Is it possible to compile microbit python code locally?
I am running Ubuntu 22.04 with xorg.
I need to find a way to compile microbit python code locally to a firmware hex file. Firstly, I followed the guide here https://microbit-micropython.readthedocs.io/en/latest/devguide/flashfirmware.html.
After a…
sean teo
- 57
- 6
3
votes
1 answer
How to write tests for micropython
I would like to write tests for the micropython code I am writing for the micro:bit. The examples here use doctest. I am open to work arounds for any testing system.
Working python example called testing_python.py:
def sum(a, b):
'''
>>>…
Oppy
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3
votes
1 answer
Ada for I2C on the BBC Micro:Bit with the MCP23017
I am trying to set up a very simple example using the ada I2C library with the MCP23017 IO expander on the micro:bit (V1.5) but I can't figure it out. For now, all I want to do is turn on an LED that is connected to a GPIOA pin. I have it working in…
toella
- 55
- 4
3
votes
0 answers
How to find how much RAM memory is used on my micro:bit using makecode?
I wrote code for my micro:bit in makecode.microbit.org. Idea is to use radio communication and send each micro:bit message. So my question at first was how many messages can get just one micro:bit?
Internet say this:
Messages received are read from…
josf
- 3
- 9
3
votes
1 answer
How do I transfer my Python script including my module to the micro:bit?
We use the micro:bit with the accessory Bit:bot XL. I have a module (robot.py) with just a single function for the Bit:bot (for now). In my script (my.py) I import this function. But after flashing the micro:bit (uflash my.py), there's an error on…
oivron
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3
votes
2 answers
Failed to connect to socket /opt/local/var/run/dbus/system_bus_socket: No such file or directory
I was trying to send message to the microbit using Bluezero I am using macOS, but got and error.
Sample code.
from bluezero import microbit
ubit = microbit.Microbit(adapter_addr='x',
device_addr='x',
…
shineila5
- 31
- 1
- 1
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3
votes
3 answers
Ada i2c demo on the microbit with the Ada Drivers Library?
Overview:
I'm trying to program a microbit with Ada using the Ada Drivers Library and I can't understand how to use the i2c functions to establish communications with another chip. I'd like to establish a simple demo so I can understand what's…
Blaine Osepchuk
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3
votes
1 answer
Why does this code display 'A' on start without any input?
This is a morse code translator for microbit but it displays 'A' on start
from microbit import *
morse={'.-': 'A', '-...': 'B', '-.-.': 'C', '-..': 'D', '.': 'E', '..-.': 'F', '--.': 'G', '....': 'H', '..': 'I', '.---': 'J', '-.-': 'K', '.-..': 'L',…
YEp d
- 154
- 1
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3
votes
3 answers
Random number generator for Ada on BBC MicroBit
Working on a little game for the BBC Microbit.
with Ada.Numerics.Discrete_Random reports "Ada.Numerics" is not a predefined library unit.
Does Ada provide another way to generate random numbers on the BBC MicroBit? …
Glen Flint
- 31
- 2
3
votes
1 answer
Why is my microbit showing this animation?
I'm running micropython on a bbc microbit.
My microbit isn't running the program flashed to it, it's displaying
0, 5, 0, SAD_FACE
What does that animation mean?
phil
- 561
- 3
- 10
3
votes
1 answer
Button B on micro:bit always pushed
I’m programming a micro:bit (in Ada) at the bare-metal level, that is, I’m addressing the nrf51 registers directly.
I have no trouble with button A, GPIO pin 17: it’s configured as
dir => input,
input => connect,
pull => pullup,
drive => s0s1,…
Simon Wright
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3
votes
2 answers
microbit compass in micropython
I have a microbit project where the microbit is inserted into a kiktronics robot vertically.
I would like to get the heading of the robot, but the
compass.heading()
only works if the microbit is horizontal. I have tried reading the x,y,z…
mksteve
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3
votes
0 answers
micro:bit how to calculate pitch in range -Pi to Pi
How can I calculate the pitch of a micro bit accelerometer as a full range, i.e. from -Pi to Pi radians (the same as -180 to 180 degrees)?
Here is my existing micro python code:
while True:
x = accelerometer.get_x()/1024
y =…
AndyS
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