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.
365
questions
0
votes
0answers
23 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 ...
2
votes
1answer
41 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 ...
0
votes
1answer
30 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 ...
0
votes
1answer
39 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=...
0
votes
1answer
23 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 ...
0
votes
1answer
48 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 ...
1
vote
1answer
104 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/...
1
vote
1answer
98 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....
0
votes
1answer
30 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?...
0
votes
0answers
49 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 ...
0
votes
0answers
37 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 ...
0
votes
1answer
30 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 ...
0
votes
1answer
133 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 ...
1
vote
1answer
25 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 ...
0
votes
1answer
75 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 ...
2
votes
1answer
78 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 ...
1
vote
0answers
56 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 ...
1
vote
0answers
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 ...
0
votes
0answers
89 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 ...
0
votes
1answer
55 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, ...
1
vote
0answers
39 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 ...
2
votes
0answers
54 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 ...
0
votes
1answer
36 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?
0
votes
1answer
37 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 ...
2
votes
1answer
88 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 ...
0
votes
0answers
47 views
Connect Raspberry Pi with Official Arduino TFT Screen
I've been owning for a few years now this useful LCD screen from Arduino https://www.arduino.cc/en/Guide/TFT and I wanted to ask if it was possible to connect it to the Raspberry Pi 2. The official ...
-1
votes
1answer
327 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 ...
0
votes
0answers
47 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 ...
1
vote
0answers
100 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 ...
0
votes
1answer
62 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[...
1
vote
1answer
361 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://...
1
vote
0answers
59 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 ...
0
votes
0answers
87 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 ...
1
vote
1answer
117 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 ...
0
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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 ...
1
vote
1answer
56 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 ...
1
vote
0answers
60 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
votes
1answer
169 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 ...
1
vote
1answer
710 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 ...
0
votes
0answers
22 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
...
2
votes
0answers
26 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 ...
0
votes
0answers
189 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 ...
2
votes
2answers
303 views
Is it safe to connect a GPIO Pi pin directly to a 3.3V Arduino pin, and vice versa?
I have Pi4 on a UPS and a 3.3 volt Arduino (Nano 33 IOT) supplied without a UPS protection.
I am designing a system where Pi monitors a 3.3V Arduino pin to know if there is a power outage (and shut ...
0
votes
1answer
81 views
Regularly power up an autonomous Raspberry Pi? (e.g. once a week)
I want to power a Raspberry PI from a power bank, which should give me - according to various sources on the Internet - 30 to 70 hours of operation.
How can I power up the Raspberry Pi once a week to ...
2
votes
1answer
151 views
Need advice for connecting multiple arduinos to raspberry pi
I have a project in hand where I need to connect 5 arduinos as slaves to Raspberry Pi. Load Cells, Reed Switch, Solenoid lock will be connected to each of the arduino. The arduinos need to send the ...
0
votes
0answers
129 views
Issue with I2C communication with raspberry pi and arduino
I am new to I2C communication and python coding so please bear with me if my question is naive or my code looks very bad. I am able to achieve I2C communication between raspberry pi and arduino and ...
0
votes
1answer
149 views
Receiving data with an unwanted character
I'm sending data to my Raspberry Pi 3 from an Arduino Mega via serial communication, but sometimes the Arduino sends a strange character, in most of the time it sends a mirrored question mark. Why ...
0
votes
0answers
61 views
Node-red on Pi: Unable to send/receive to Arduino Leonardo via USB serial
I'm connecting a Arduino Leonardo to Pi4 (P3b+ has the same issue). I wish to send and receive data from it in node-red (using serial nodes from the standard palette).
I can see that Arduino is ...
0
votes
1answer
354 views
Problem with i2c communication between arduino and raspberrypi
I have connected Rpi with Arduino using i2c communication. Pin Configuration: Rpi ---- Arduino Mega SDA SDA SCL SCL GND GND
I also have an encoder attached to Rpi. Encoder `------ Rpi 5V 5V Gnd Gnd ...
1
vote
1answer
141 views
Addressing PCA9865 Servo Driver
Although not directly related to the Raspberry Pi, the piece of hardware I'm attempting to understand can be utilized by the Pi and it's a relatively basic concept that I'm looking for more ...
