Questions tagged [circuitpython]
CircuitPython is a programming language designed to simplify experimenting and learning to code on low-cost microcontroller boards.
29
questions
0
votes
0
answers
13
views
Why My Spi Connection Is Not Getting started?
Hello Guys I Am New To Embedded & Rasberry PI. So In Order To Understand SPI Connection I Made An PI-PI SPI Setup PS. I am Using Two Rasbrry Pi Model 4 B with Raspi OS & i did the followings ...
0
votes
0
answers
34
views
CIRCUITPYTHON drive not showing on rear USB ports
So I have a Raspberry Pi Pico running circuitpython and other prerequisites for the pico rgb keypad, and as shown in the title above, for some reason the circuit python drive only shows and the ...
- 1
0
votes
1
answer
36
views
Playing audio on a Waveshare audio module
I've bought a Pico Audio module - assuming, maybe incorrectly, that being built to fit the Pico, speakers included etc it would be reasonably straightforward to get it working.
https://thepihut.com/...
- 101
0
votes
0
answers
71
views
How would I get audio input to a pi pico?
I’m trying to make an audio visualiser with the pi pico, and I want to connect it to my computer. I need to read the audio from the computer to do this.
I could use an audio jack, but I can’t find ...
0
votes
1
answer
438
views
ModuleNotFoundError: No module named 'digitalio' HELP
I have been following a YouTube tutorial on how to setup the Raspberry Pi Pico H as a midi device. While programming, I came accross an error ModuleNotFoundError: No module named 'digitalio'. I'm ...
- 1
0
votes
0
answers
124
views
Raspberry pi pico Write-Protected
I installed circuitpython on my Raspberry pi pico. I wrote a very simple code inside code.py and disconnected, and connected it again so I could test the code. The code worked fine but after that, I ...
- 23
0
votes
0
answers
250
views
Raspberry pi pico with circuitpython code.py not running
I used This tutorial to create to run circuitpython on a Raspberry pi pico. I'm not trying to make a back USB as it's shown in the video, but I figured this tutorial was very good so I used it to ...
- 23
2
votes
1
answer
391
views
I accidentaly lightly hit my bread board with my pi pico and ili9341 on it now the ili9341 is just white
So i was in my chair and i clicked run script and when i got up i tripped and lightly hit my breadboard and then the screen (ili9341) went white. Before i hit it, it was working but not anymore. I ...
- 29
0
votes
0
answers
177
views
Pico W on Network w/o Password Auth & CircuitPython
I'm trying to connect a Raspberry Pi Pico W to my university network using CircuitPython. Our Uni network requires MAC authentication & treats Pis and Picos like they are other devices like a ...
- 109
0
votes
1
answer
273
views
Pi Pico giving error when trying to enable custom hid device
The following is my boot.py file. It's a copypaste from adafruit site.
import usb_hid
GAMEPAD_REPORT_DESCRIPTOR = bytes((
0x05, 0x01, # Usage Page (Generic Desktop Ctrls)
0x09, 0x05, # ...
- 69
2
votes
2
answers
397
views
Is the waveshare 2.7 e-paper HAT ink display the right display for a pico?
I'm very new to programming on raspberry pi's and I haven't coded anything in about 5 years so bear with me.
My company is asking me to connect a 2.7 e-paper hat INK display to a raspberry pi pico. I'...
- 31
1
vote
2
answers
703
views
problem with adafruit-blinka
I tried to install python3.7 and made it the default python version.
Now I'm trying to install this:
pip3 install adafruit-blinka
and I get this error
Collecting adafruit-blinka
Collecting rpi-ws281x&...
- 29
1
vote
0
answers
103
views
Python code not working: Programming a motor to turn on using a switch (Raspberry Pi)
HELP! Ideally within the next 24hrs PLEASE!!!!!
We have a simple circuit where we have a button, that when pressed, starts a motor that needs to run at a certain speed for a certain amount of time. (...
- 11
1
vote
1
answer
236
views
raspberry pico, circuitpython and how to receive mqtt feeds reliably while showing time on pico
I am building a clock using rpi pico, max7219 and wiznet5k.
I am trying to incorporate mqtt functionality, in order to show important short messages to the max7219 every now and then.
I have run into ...
- 41
1
vote
0
answers
45
views
adafruit_hcsr04 sonar not working on certain GPIO pins Pi 4 B
I have 8 adafruit_hcsr04 range finders wired in the exact same way to a Raspberry Pi 4 but only 4 of them work and I'm at a loss.
I've verified with an ohmmeter the echo and trigger pins are ...
- 188
-1
votes
1
answer
216
views
PCA9685 detected on Command Line, but not by Python
I'm trying to hook up a SC90 servo to my Pi3 B using a PCA9685. I think I have it connected correctly, because I get correct i2cdetect results.
pi@raspberrypi:~ $ i2cdetect -y 1
0 1 2 3 4 5 ...
- 101
-1
votes
1
answer
377
views
Problem using adafruit-rfm96w Lora transceiver
I'm new in programming and for a project I actually need to deal with 2 adafruit-rfm96w to transfer data between 2 Raspberry Pi(one Raspberry Pi 3, and one Pico). But I don't understand how to use the ...
- 1
1
vote
1
answer
2k
views
Circuitpython: ValueError: GP0 in use. How to reset GPIO pin?
Error Message
After having written a function that sets output and values to specific GPIO pins, I'm running into the following error:
ValueError: GP0 in use.
Code
The function is:
def ...
- 171
0
votes
1
answer
628
views
Neopixel not working with Raspberry Pi Pico
My neopixels aren't working when I run them, I am using curcuitpython and using all libraries required
import neopixel
from adafruit_led_animation.animation.solid import Solid
from ...
0
votes
2
answers
2k
views
Possible to send data from a Pi Pico via USB while running CircuitPython?
I have a question on the interaction between Pi Pico, CircuitPython, and USB. I need a way to send a data stream from the Pico to another computer where it will be received on a USB port (it's the ...
- 502
0
votes
0
answers
743
views
How to measure voltage and current of a battery with Raspberry Pi? [duplicate]
Im creating a battery,and I want to measure the current and voltage?Which possible circuits could help me?
To clarify my question,I doing a DIY battery and afer that I want to measure the results.So I ...
- 25
1
vote
0
answers
243
views
MCP23008 Python Input Handler
How do I declare a Python callback handler method on a MCP23008 input pin?
This Adafruit tutorial, which uses CircuitPython shows how to read input from the extended GPIO pin on the MCP23008, but does ...
- 111
1
vote
0
answers
113
views
Pins of GPIO expander 'MCP23017' randomly turning on when connected to multiple motor drivers powering 3V dc motors
I have a MCP23017 GPIO expander connected to four DRV8833 dual channel Motor drivers. This setup is later meant to drive eight motors concurrently. I tried testing a few patterns and noticed that ...
- 169
1
vote
1
answer
433
views
CircuitPython Interface with I2C Device
I have an I2C device with address 0x62. I know this because I plugged it into my RPI 4B and ran sudo i2cdetect -y 1. I see the device, if I remove the device power and rerun the command, the device is ...
- 121
0
votes
1
answer
1k
views
Detecting connection between two arbitrary GPIO pins on Pico [closed]
I wrote a code that I run in Thonny which detects if a connection is made between the 3.3V output and a GPIO pin on the Raspberry Pico:
print("Hello World!")
import time
import digitalio
...
- 171
0
votes
1
answer
430
views
CIRCUITPY on RP2040 Won't Reboot and Run code.py
I'm trying to build this T9 Macro Pad project, by Guy Dupont, using a PIMORONI TINY2040, which uses a RP2040 chip.
I installed CircuitPython 6.3.0 on the development board and then could see the ...
- 195
1
vote
0
answers
950
views
Raspberry Pico RP2040 - Circuitpython ULAB FFT Frequencies
I am trying to properly perform FFT and calculate frequencies on my PICO using CircuitPython's (CP) ULAB library: ULAB FFT
With traditional Python using NUMPY and SCIPY, this is easily achievable, ...
- 21
0
votes
1
answer
59
views
Issue with installing Circuit-Python-GPS along with Blinka -- incorrect version of Python
I am using a Raspberry Pi 3 B+ with nthe latest version of Raspbian (version 9). I have recently purchased the Adafruit Ultimate GPS Breakout for a project that assists Blind users around their ...
0
votes
0
answers
292
views
PICO ASM: Conversion between pioasm and adafruit_pioasm MOV command
I am running CircuitPython on a Raspberry Pi Pico and I am attempting to do some pioasm, which is different on CircuitPython than in MicroPython.
According to the adafruit pioasm documentation:
Major ...
- 681