Questions tagged [arduino]

For questions pertaining to the Arduino microcontroller and it's integration with Raspberry Pi projects. Questions about Arduino only are off-topic and can be asked at Arduino Stack Exchange.

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1answer
22 views

Wireless transmission multiple arduinos to raspberry

I am fairly new to this, having worked only a bit with arduinos. I would like to know if it would be possible to connect multiple arduinos to a raspberry, just to transmit a signal. Description: A ...
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27 views

LED strip works through Arduino PWM, but not Raspberry Pi PWM

I've been stuck on this for a while. I'm following a simple tutorial for RPi-controlled LEDs. From this, my LEDs do random stuff and don't light up correctly. I've been trying strandtest from this ...
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27 views

Serial communicaction problems between Raspberry Pi and Arduino

I am carrying out a project in which I transfer information between an Arduino Mega and two Raspberry Pi 3 Model B. On the first Raspberry there is running a console program that is connected to the ...
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1answer
44 views

How to send data from RPI to Arduino via I2C

Im working on a project to build an autonomous lego car. Im running into some problems here, and i could use some help. Right now, im struggling to send and receive data from RPI (4) to Arduino (Nano)....
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37 views

How to read AC current sensor (10,12 channel's)

I have a python program which needs to read the power, voltage and current. (Raspberry , I2C & CT Sensor) Please explain whether Arduino is required if we are using Raspberry. Is it possible to ...
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1answer
31 views

Raspberry vs arduino i2c communication

i used to use arduino as a i2c communication device but i'm changing to raspberry and i have a question about how to send and receive data from raspberry to my device the device in question is a ...
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160 views

IOError: [Errno 5] input/output error when sending serial communication to Arduino

I have a webpage set up on a flask server behind apache, that sends an encoded message to Arduino when a user presses the button on the website, which Arduino then turns on an LED when it receives ...
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1answer
41 views

Need to send and recieve data to an arduino via 5-10m CAT6 away from each othere

Hello I would like to know if there is already a protocol that both the raspberry pi zero and the arduino (nano) have in common that i can use to communicate 5-10 meters away no added hardware? With ...
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48 views

CAN communication between arduino and raspberry pi

I am trying to communicate between Raspberry Pi and Arduino. In arduino I am using this program to transmit #include <SPI.h> #include <mcp_can.h> const int spiCSPin = 10; MCP_CAN CAN(...
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31 views

Pi Zero W resets Arduino Due during power up

I have a setup where my Pi Zero W (Pi0W) is connected to an Arduino Due via OTG cable adaptor. My Pi0W seems to reset the Due again when it's about to finish starting up (around 30-40sec mark). The ...
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1answer
117 views

RFM69HCW with Raspberry as gateway for wsn

Good day, I am making a wireless sensor network prototype using communication technology, the RFM69HCW module [3]. I use an Arduino nano for the processing unit for the sensor nodes, and for ...
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1answer
75 views

How to connect raspberry pi zero v1.3 with arduino over bluetooth (HC-06)

I have raspberry pi zero v1.3 which have no build in bluetooth, i want to use hc-06 bluetooth module with raspberry pi and arduino for serial communication, just for receiving data from arduino to ...
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1answer
84 views

Read serial data from multiple arduino

Please help me find problem in this code: import serial ser=serial.Serial("/dev/ttyACM0",9600) ser.baudrate=9600 ser1=serial.Serial("/dev/ttyUSB0",9600) ser1.baudrate=9600 ser2=...
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1answer
67 views

Connection between nodemcu and raspberry in different networks

You can send measured data from a sensor connected to the NodeMCU to the Raspberry, only I don't want a physical connection, I want to connect via another wifi. Example, Raspberry is at my house and ...
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150 views

Is it possible to connect a Raspberry Pi with multiple inertial sensors simultaneously via Bluetooth?

I'm working on a project in which I have to connect 3 (or more) inertial sensors to a virtual reality headset (OculusQuest) via Bluetooth, but the problem is that it only accepts one connection, so I ...
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1answer
453 views

Serial comm to Arduino - ImportError: cannot import name Serial from serial

Trying to send a message from my Pi to the Arduino via serial communication and I'm receiving this error despite having installed pyserial ImportError: cannot import name 'Serial' from 'serial' (/home/...
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1answer
287 views

Connecting an Arduino Nano to a Raspberry Pi using Serial Cable on an a Pi 3B+ or Zero W

I wanted to connect an Arduino Nano to either my Pi 3B+ or my Zero W preferably my Zero. When I connected my Nano to my Pi Zero and ran a simple script with the python 3 serial library, it didn't work....
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1answer
33 views

Boot Rpi 0W via start-signal from Arduino Nano 33 IOT

My Arduino Nano 33 IOT and Rpi 0W can either share or have their own 5V powerbanks. I would like to boot Rpi via a signal from my Arduino, i.e. the Rpi boots on Arduinos command. Can this be done? How?...
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1answer
107 views

Delay/Lag when controlling motors with arduino from raspberry pi

I'm making a car-type-thingy where I control motors connected to an arduino with a raspberry pi via serial communication. I'm using the adafruit motor shield to control the motors. I want to control ...
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39 views

Using DC motors on a PI

first question here. Ive looked through some of the otehr answers Project - a two axis solar tracker that calculates the position of the sun and drives two actuators. I started with a PCduino and ...
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1answer
60 views

Clock problem when programming ATMega328P over ICSP pins

I'm following this example from Adafruit that shows how to program an AVR such as ATMega328P from a Raspberry Pi, using the AVR's ICSP pins. I run all the steps and it is working fine except a single ...
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1answer
452 views

BLE data receive and send from arduino HC08 to raspberry pi

I have noticed that there are lots of topics about classic BT connect to arduino and send data to raspberry pi by creating virtual port (using rfcomm) I have tried this method for BLE Device. However ...
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1answer
31 views

Some questions surrounding FC-51 IR sensor

I am looking into using the Ifrared sensor. But i found datasheet andinformation about the manufacturer scarce. I need to know if the sensor is rohs compliant and if it or the manufacturer has other ...
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1answer
220 views

Serial communication with arduino over bluetooth

I am using rfcomm to connect to an Arduino nano (HC-06 bluetooth module) from my RPI 4B+. It works flawlessly and the two devices are able to communicate with no issues. I need to be able to connect ...
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1answer
188 views

Connecting Arduino Uno to a Raspberry Pi

Lets start with i'm a complete novice. Pi Zero W: Used as a water level detector with the 3.3v and 3 GPIO pins soldered with some wires, that are spaced and attached to a pole, the 3.3v at the bottom ...
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0answers
71 views

How do I connect to an Arduino Nano/Uno Serial using GPIO and a Level converter

How do I connect to a Arduino Nano for serial communication using the GPIO pins? I understand that USB is easier, and already use that for development, but I don't have room in my enclosure for a big ...
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27 views

Raspberry pi oled display

I have got a problem with Raspberry Pi and Oled display (128x32). Yesterday I tried and everything was OK, but today when I started working it didn't work. Raspberry Pi detecting i2c device. I'm using ...
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162 views

How to upload sketch in ESP32 with rpi4?

I bought a doit devkit v1 somedays ago. I have Arduino installed in my raspberry pi(binaries from arduino.cc). I installed the board today and tried to upload a simple code. But it cold not upload the ...
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1answer
113 views

What can I do to avoid an 'Error: unrecognized option -mmcu=avr5' when I try to Verify sketch in Arduino IDE on Raspbian?

I have Raspberry Pi 3 Model B and Arduino Uno board, and I intend to make them communicate via Serial port connection. I've already faced some problems with my Tools -> Serial Port greyed up before, ...
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0answers
103 views

Controlling multiple arduinos from a pi 3b+

I'm working on a robotics project where we need to control 2 motors, read data from 8 ultrasonic sensors, display a 2 digit number on 7 segment displays, drive servos and a few more things. The ...
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0answers
104 views

Slow Serialcommunication between Raspberry Pi and Ardunio Mega

I'm in the process of tinkering with something, and for that I need an Arduino to collect measurement data, and a PI to process it all and send it on. My problem is that the connection between my Pi ...
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1answer
50 views

Control the startup and monitoring GPIO status

I want to control the startup of a Raspberry Pi 4 and at the same time listen to the GPIO status of the 40 pin. Can I use an Arduino for that? If so, any advice on which Arduino shall I use?
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1answer
50 views

Arduino Leonardo problem uploading from Rasbian Arduino IDE

I recently installed Arduino IDE on my Raspberry Pi 4 and I'm trying to program an Arduino Leonardo through it. I wander if anyone experienced anything like this I'm getting here, as I searched a lot ...
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1answer
122 views

How can Rpi communicate with Arduino in RF (Radio Frequency), Say Using nRFL2401+?

I need to transmit and receive data between Rpi and Arduino, in RF (Radio Frequency). I must say I have next to zero experience in this field. So any help, papers, documentation, book or manual would ...
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1answer
552 views

How to send variable data from RPi to Arduino Mega

I am sending one integer variable from rpi to arduino. However, it is showing an error. Everything else is correct and here is the code which sends the data:- from pubnub.pnconfiguration import ...
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0answers
61 views

Windows 10 Iot core and Arduino

I am a newbie in raspberry pi. can you help me? thanks. Is raspberry pi with Windows IoT core OS can connect or communicate to Arduino, like uploading sketch or control it using visual studio ...
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0answers
189 views

raspberry pi 4B and arduino

I installed the Arduino IDE, connected the boards through USB and the raspbian recognized the Arduino board on the /dev/tty/acm0 port. I opened the blink example, loaded to the Arduino and got this ...
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1answer
100 views

Porting Arduino code to Raspberry PI

So I have some simple code for an Arduino device that I am trying to run on a Raspberry Pi, and I'm having some issues. Here is the code: #include <VirtualWire.h> byte message[...
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1answer
547 views

Rpi SPI nRF24L01+ 2.4GHz Transceiver Module Send Message to Arduino Problem

I have recently bought two nRF24L01+ radio chips for communication between my Raspberry Pi and Arduino. I will be solely using this from Raspberry towards Arduino. The tutorial I followed: https://...
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0answers
74 views

How can Rpi GPIO read the status of a water flow switch connected to a chlorinator?

My pool salt chlorinator uses a flow switch (https://harwil.com/product/flow-switch-model-q-12/) to detect when the pool water is circulating, which is one of the conditions to allow the production of ...
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157 views

Socket communication between Pi and Arduino

I'm a beginner with Raspi and I would appreciate your advice and input on a project I'm working on. Hardware: Raspi 3B+ with latest Rasbian, Arduino MKR 1000 I have a bunch of sensors attached to ...
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1answer
136 views

Is it possible to have a Raspberry Pi work like a much faster arduino

Let's imagine you have a real-time problem that you can solve with the Raspberry Pi hardware but you need something much faster than an Arduino. Is it possible to bypass the OS of a Raspberry Pi to ...
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0answers
34 views

Project Guideline/ Suggestions: Arduino Mega-Raspberry Pi Combo for HD Video Streaming with Stamping

I hope all is well. I'm new to the Raspberry Pi arena, and would love some feedback on the feasibility of this project: I have an Arduino Mega that's logging data (in addition to other stuff which is ...
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1answer
60 views

Small, Rechargeable LiPo and RPi 4B

I've started a new, more specific thread, here. I'm looking for a way to power my Pi 4B inside a 3d-printed laptop project (nothing has actually been started yet), and it would be great to hear what ...
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0answers
89 views

upload GPS real time data to web browser with wifi [closed]

i am doing a project for my collage. The objective of this project is to collect real time GPS data and displaying the data on a web server, i am now able to run the program on Arduino IDE to get the ...
3
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1answer
182 views

Problem sending analog read values over serial

Ok I apologize as I have edited this quite a bit, but I have narrowed down the problem a bit more. For some reason I can't transfer values from my arduino analog pins?? I am trying to send values ...
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1answer
1k views

Get time in microseconds (a 8 digit number) in python3

I am converting an Arduino code to python3. I am trying to read data from IMU 9250 sensor from the I2C interface of raspberry-pi. I am facing issue with the timing libraries of raspberry-pi and ...
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0answers
25 views

HC05 not able to bind Raspberry pi3 bluetooth mac address B8:27:FB:A4:88:12 by AT command

I am trying to bind raspberry pi Bluetooth address on hc05 and Arduino by AT command but every time I am getting the error(7) Here is my AT command Details: AT+BIND=B8,27,FB,A4,89,12 OK ...
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0answers
30 views

Permanent Arduino usb address on RPi!

So my project is using to Arduinos slaves to RPI that is master. They communicate through USB. Each time I remove one of the Arduinos I need to modify the .Py script to add the new USB alocated. Is ...
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0answers
265 views

RF ISM 433MHz Module Using Rpi RadioHead Low Speed Problem

I have a rf module 433Mhz which consist of a transmitter and a receiver, I used virtualwire and Radiohead library in Arduino and it's pretty fast. When I shifted that to rpi there were no dedicated ...

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