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Questions tagged [python]

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Python is a programming language. Use this tag for questions regarding how to use Python with your Arduino, or on using of pySerial or such software. Also consider using [programming] and other specific tags.

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I am trying to set up an Arduino Nano ESP32 so that I can code in MicroPython. I successfully installed Arduino Lab for MicroPython and flashed the firmware onto the device, but when I try to run the ...
ehalstea's user avatar
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I have a project (Digital Dashboard for a Motorhome) in Pi that reads JSON data from an Arduino board and sends it via Serial. The Pi gets the JSON data, makes some adjustments and then sends it to an ...
Honeybadger22's user avatar
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I am using Arduino IDE 2.3.4 to program a XIAO nRF52840 Sense. I added the board using the instructions on the official getting started page. After installing the board in Arduino IDE, I open up the ...
paki eng's user avatar
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I have an LED display connected to a Teensy microcontroller using the FastLED library, which is connected to a Raspberry Pi Zero running Python via a USB hub. I am looking for an existing library that ...
Bill's user avatar
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So I recently bought two Xiao ESP32-C6 from SeeedStudio; they work with Arduino code out of the box. Now I want to flash the CircuitPython bootloader from here https://circuitpython.org/board/...
Clóvis Fritzen's user avatar
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I'm trying to send a '1' or a '0' to my Arduino in Python using pySerial so that from my Arduino I can read whatever the Python program sends and then turn a relay on and off depending on what it ...
user98268's user avatar
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1 answer
235 views

Using a stepper motor and a range finder (TFLuna), I am trying to build a "Lidar" (like a Radar, but with light). Here is the algorithm: Turn motor one step, calculate angle, measure ...
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421 views

I want to control the LEDs with my hand, for this I used the repository https://github.com/paveldat/finger_counter/tree/main. I want to control the LEDs with my hand, for this I used the repository. ...
Дмитрий Насонов's user avatar
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1 answer
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I am currently trying to use micropython on an arduino Nano 33 BLE using MacOS. Following the instructions from arduino website I was able to complete steps 1-3. At step 4, I can find the bossac file ...
Saif's user avatar
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1 answer
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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 ...
stanley's user avatar
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3 votes
1 answer
530 views

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 ...
S Andrew's user avatar
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I'm trying to connect a ESP32 client using SocketIO with a Flask-SocketIO server and it's not getting connected. The server uses SSL. The local server address is https://192.168.1.137:3000.Is the ...
Shyam3089's user avatar
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I am currently controlling two servos using the Arduino IDE, but now need to integrate my Arduino code into a Python script. I read about how to use PyFirmata and went through the process of uploading ...
Eeshan Mishra's user avatar
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1 vote
1 answer
207 views

I'm using an Arduino Due to make a feedback loop using python, but this does not seem to function. The python code I'm using is the following: from serial import Serial board = Serial('COM11',9600) ...
celestin's user avatar
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598 views

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 ...
Gunjan's user avatar
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1 answer
317 views

I am building a CircuitPython weather station based on Adafruit M4 board stacked with Adafruit ESP32 AirLift module. Both work fine together when it comes to making http calls (via the ...
smoczyna's user avatar
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I want to transfer 8 lists from a python script, via Serial Monitor to the Arduino. I can get the strings to Arduino and Arduino saves them as String array, but I can't change it to integer (it shows ...
PNarduinouser's user avatar
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1 answer
1k views

I am trying to communicate between a PC running Python using PySerial and an Arduino. The Arduino itself has a CAN shield, and is responsible for interfacing with a motor. My goal is for the PC to ...
ITregear's user avatar
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1 answer
283 views

I am controlling six DC motors by varying their voltage. I have figured out the voltage required for each motor in python; now it's time to send this voltage through Arduino Nano BLE Sense 33 to run ...
Vishal Naik's user avatar
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1 answer
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I am using a Bluetooth module HC-05 to Stream data from Arduino to My computer. In they computer I am using a python script to receive They specifications: Baud rate: 9600 But I am getting an error. ...
Elí Flores's user avatar
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1 vote
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2k views

I have a program where I configure my ESP32 as a server and it sent randomly generated data, the problem is that I can only connect 1 client at a time, what I want is that multiple clients can connect ...
Eduardo23484's user avatar
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1 answer
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I am testing out pyFirmata. I have a 360° servo, and know how to change its direction, but I dont't know how to stop it. What command, like servo.write(), would work to make it stop moving until ...
JDogJunior's user avatar
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1 vote
1 answer
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I need to send an array of floating-point numbers from python to Arduino Mega. For that, I read many sources [this this this this this] this] and many more links for the same I referred. But unable to ...
Naseeb Gill's user avatar
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1 vote
1 answer
535 views

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: #...
Kevin Zefi's user avatar
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1 answer
85 views

How to set the registers of Arduino through python code to vary the sampling rate of Arduino? Can we control Arduino through python?
varman's user avatar
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1 vote
1 answer
975 views

I am attempting to control the position of my computer's cursor using a potentiometer hooked up to my arduino nano. The arduino is running the following code: int potPin = 3; // select the input ...
Manav Bokinala's user avatar
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3 votes
2 answers
1k views

I am trying to read potential meter data from Arduino using python, with the program on Arduino as follows : #include <cvzone.h> SerialData serialData; int sendVals[2]; void setup() { ...
M. Al lail Qadrillah's user avatar
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1 vote
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274 views

I am trying to simply read a voltage from a battery. I am able to work out how to do this using arduino code on an arduino board. (UNO) When I try to do the same thing on a board using python the ...
user avatar
1 vote
0 answers
29 views

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 ...
vib's user avatar
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2 votes
0 answers
619 views

I'm trying to read some serial (ADC) data from my esp8266 nodeMCU v3 over wifi using python. I connected the esp on my local wifi and set it with fixed local IP using arduino IDE, but I couldn't find ...
Joe123456's user avatar
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1 vote
1 answer
209 views

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 ...
Akash's user avatar
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2 votes
1 answer
265 views

I want to send commands to Arduino over USB Serial from my python program and Arduino should send back received command to make sure data wasn't lost. However Arduino randomly stops sending data back. ...
Wisien's user avatar
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1 vote
1 answer
424 views

I'm trying to make it so I can control 2 servos with data that I get from a python script that tracks my face. I have found 2 libraries that do this:pySerial and pyfirmata. Is one superior to the ...
WaddleBoy's user avatar
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1 vote
0 answers
666 views

I'm using two Arduino Megas in a project to read data from a bunch of analog sensors and then output PWMs on digital pins according to their value. These analog signals are also being plotted on a ...
Han Zhang's user avatar
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1 vote
1 answer
457 views

Is there a way to change arduino analog reference to EXTERNAL IN PYTHON using pyfirmata or any other library ? Necessary Links : https://www.arduino.cc/reference/en/language/functions/analog-io/...
Shahan hasan's user avatar
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2 votes
0 answers
90 views

I am writing a program in Python (using PySerial) that needs to read data from the Arduino quickly. For this reason I have set the serial timeout to 0.01 seconds. (Baud rate is 115k) If I don't set ...
ngpop's user avatar
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0 votes
1 answer
83 views

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....
Dan's user avatar
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2 votes
1 answer
329 views

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 ...
user avatar
1 vote
1 answer
1k views

I'm using pyserial to communicate with my arduino. I set up the connection and everything works fine. Now I have these two writing commands: pyserial.write("conn".encode()) pyserial.write(&...
Ai4l2s's user avatar
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1 vote
1 answer
4k views

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....
user avatar
0 votes
1 answer
415 views

For a project, I am looking for a board to connect eight different neopixel-strips to, on eight different data pins. Because of the great length between the board and the first pixels of these strips, ...
Bart Van Loon's user avatar
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1 vote
0 answers
189 views

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 ...
Mukesh M's user avatar
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-2 votes
1 answer
1k views

I'm trying to use this code to get temperature and humidity values from DHT11 sensor and send it to Python and I need to write the temperature and humidity values in the same line. But I keep getting ...
vueenx's user avatar
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-1 votes
2 answers
334 views

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....
Aryan Bhosale's user avatar
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1 vote
1 answer
1k views

I am writing a program that echos back the message sent to the web socket server on a host machine. When running the ESP module, the connection is established but immediately disconnects as seen in ...
John Mason's user avatar
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1 vote
1 answer
281 views

I'm trying to modify Ben Eater's eeprom programmer to flash a 32K eeprom, since the arduino has 32K of program data total the data wouldn't fit in the program. So I wrote a python program using ...
bobbbob's user avatar
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2 votes
1 answer
128 views

I have created a gui in python that allows an arduino controlled mecanum wheel cart to move around. The cart allows for 8 different move directions and can rotate left and right. Commands are sent ...
juerg's user avatar
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2 votes
0 answers
59 views

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 ...
Tayler Hasson's user avatar
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2 votes
0 answers
3k views

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 ...
Mike's user avatar
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1 vote
0 answers
55 views

So i am trying to make the servo follow my face which will end up my camera following my face But the servo isnt doing anything please look at this (Also im only using Horizontal because I would like ...
Darkziken's user avatar
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