All Questions
Tagged with python arduino-uno
61 questions
0
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1
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277
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How to fix UnicodeDecodeError when using Serial.println
I am using an Arduino Uno R3 to send instructions to a serial monitor in a Python program with Serial.println. But when I send a specific line, I get a a UnicodeDecodeError.
The line in the Arduino ...
- 107
3
votes
1
answer
510
views
How to ignore garbage values in serial communication between arduino and python
I have arduino uno. I am trying to send and receive serial data from arduino to python. I have usb to uart converter. I have connected its tx to rx of Arduino and rx to tx of Arduino and gnd is ...
- 183
2
votes
0
answers
594
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Sending an image captured using ov7670 using arduino and serially transmit it to python
I am working on using an ov7670 camera module with arduino uno,capturing the image frame wise and transmitting the image serially line by line of each frame to python for image processing, however i ...
- 29
1
vote
1
answer
519
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Pan and tilt bracket move to sound, control servo motors using microphone sound sensors
I'm trying to code the pan and tilt bracket to turn based on where I speak, I know how to move the servo motors, but I really need help with the sound sensing. This is the code I've got currently:
#...
- 19
1
vote
0
answers
29
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Serial communication between Python & Arduino: [duplicate]
I need to transfer information between pyton script and arduino.
Data is always built like this "wheelbase:1000"
wheelbase can be another word and 1000 can be another value, : is always the ...
- 113
1
vote
1
answer
209
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opencv reading the display and doesnot provide serial communication with arduino
I was creating a project where the following part of the code reads certain area of the display(which i screen shared from mobile)
import cv2 as cv
import numpy as np
from PIL import ImageGrab
import ...
- 13
0
votes
1
answer
76
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How to receive commands to a running arduino program from a raspberry pi?
I have looked all over for a solution to this. I'm a noob in the arduino space and am really just getting my feet wet. It's possible that I am interpreting what I am reading wrongly. If so I apologize....
- 103
2
votes
1
answer
323
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What is the difference when an arduino has been unplugged vs when a serial port connection was closed?
Using python code for a serial port connection to an arduino, it sends a value to the arduino, which then starts printing values to serial. The python code will print the value on the first or second ...
anon
1
vote
1
answer
4k
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Why do I need to use latin-1 instead of utf-8 when using python with arduino?
When reading and writing with a python serial port connection to arduino, if I don't use latin-1 ('ISO-8859-1'), the results are not as expected. Like if I have
int outP = 5;
//...
int outV = Serial....
anon
1
vote
0
answers
188
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Computer freezes while collecting serial data from Arduino Uno
I am an arduino noob. I have been searching for some interesting arduino projects recently and making a game controller using Arduino UNO seemed interesting. So I hooked up two dual-axis joystick ...
- 11
-1
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2
answers
327
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How can I execute a string in my Arduino Uno board?
I was making a project with Arduino Uno ,
It's working is like this it connects to a key pad and a 7segment display ,and when you press a run button connected to Arduino it should run the code written....
2
votes
0
answers
59
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Two LED Patterns Task Controlled by GUI
I am very new to Arduino and coding/programing. I set a task for myself to make a simple circuit of 5 LEDs controlled by pins 2, 4, 8, 11, 12. I want to be able to make two different pattern for the ...
2
votes
0
answers
3k
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Reading JSON from Arduino over serial in python and writing to a JSON file on computer
I'm fairly new to Arduino so I used a sample code before integrating this into my main code. I'm printing my value in a JSON format over serial. My Arduino outputs this and the python receives this ...
- 21
1
vote
0
answers
188
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Connect and detect multiple arduinos using firmata
i am trying to connect several arduinos to usb ports and have the abillity to define between them.
i added Firmata.attach function on the arduino board. how do i call it from my python script?
thank ...
- 11
1
vote
0
answers
171
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Arduino code equivalent for python code binascii.unhexlify command
I want to convert a hexadecimal string or an array of bytes to binary data.
For example, if i have a string like
'424D368403'
my output should be like
b'BM6\x84\x03'
The python code binascii.unhexlify(...
- 51