The Arduino is a single-board microcontroller, designed to make the use of electronics on technology projects easier. The Arduino is visually similar to the Raspberry Pi, but it is focussed more on using electronics in programming, than just programming like the Raspberry Pi is (although GPIO may be ...

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38 views

Pi getting data from XinoRF

I'm trying to get the data from a DHT11 sensor connected to the XinoRF board. But it seems I get nothing from the wireless port ttyAMA0, but when I use the USB port ttyACM0, the python program seems ...
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0answers
4 views

Can I connect to Multiple Bluetooth devices using a Bluetooth dongle? [migrated]

I am using a usb bluetooth adapter on my PI 2 , which communicates to an arduino using HC-06 Bluetooth module. This script runs to connect to that module: #! /usr/bin/python import serial from ...
0
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0answers
32 views

Controlling Arduino from web?

I am making a project in which I have several servo motors and LED's connected to the Arduino Mega 2560. I want to control these from a web interface over wifi. I have a Raspberry Pi which can act as ...
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2answers
48 views

How much power can the Pi supply?

I am making a project in which I will be using an arduino to control several servo motors and LED's. And I ll be using a Rqspberry pi to control arduino. They will be connected serially. In this ...
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1answer
56 views

Can I make a bridge between GSM Arduino shield with a Raspberry Pi?

I am trying to do some work with Raspberry Pi, however, I have GSM Arduino shield laying at home. I want to give a voice-call using it. However, I still wondering how can I interface voice/mic, ...
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3answers
95 views

How can I send commands from Arduino to raspberrypi

I am making my baby-steps using raspberrypi. I am stuck in something. I am building a device that combine arduinà with raspberrypi. There are some sensors connected to arduino and others to Raspa ...
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0answers
41 views

How can I read if there's any activity on the serial port?

I have a PIR-sensor and a controller hooked up to my USB, and I can read in the Terminal the controllers output if there's any motion using serial.readline(). But what I really want to do is just to ...
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0answers
59 views

Python script always throws exception the first it is ran after reboot

I am trying to build a home automation system with Raspberry Pi connected to Arduino Uno via USB. Everything works but the Python script that I am using for reading variables from Arduino is always ...
0
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1answer
52 views

“…relocation truncated to fit: R_AVR_13_PCREL against symbol…” using PlatformIO on Raspbmc through ssh

I ssh into my Raspbmc installation through my iPad (I don't have a keyboard). I was looking into developing for Arduino on the Pi, as I don't have my primary PC with me right now. I installed ...
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2answers
121 views

Soil moisture sensor compatibility

Can this sensor for ardunino can be used with raspberry pi b+ model? The specs of the sensor is Operating voltage: 3.3V~5V Dual output mode,analog output more accurate A fixed bolt ...
0
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1answer
31 views

Gertboard programming atmega328p : can't define “board” to program

Using RPi rev B, all software updated (raspbian). I have installed the Arduino IDE software per the instructions of https://projects.drogon.net/raspberry-pi/gertboard/ . Originally the download gave ...
0
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1answer
51 views

Connecting accessory for Arduino with RPi B+

I would like to know if there is any possibility to connect accessory for Arduino with RPi. Exactly, I have Arduino WiFi Shield (http://arduino.cc/en/Main/ArduinoWiFiShield) and Raspberry Pi B+. I ...
2
votes
1answer
435 views

Raspberry Pi as an captive portal with CoovaChilli

i'm looking to do something maybe not that common with my Rpi; I have a rowing machine and I want to connect it to my Pi to motivate me to do sport. To do this, I have an Arduino connected to a Pi ...
0
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2answers
90 views

design a hardware whether to base on arduino or raspberrypi

I want to build a device which can link some sensors and actuators, on the prototyping stage, I can use either arduino or raspberrypi to implement the functionality, now my puzzle is whether to use ...
0
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1answer
57 views

Missing /dev/ACMX on Arch linux ARM when connected to Arduino

I want to be able to communicate with my Arduino serially using the pySerial module; however, when I connect using usb, no /dev/ttys appear - the device only appears in /bus/USB/001. When I plug it ...
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2answers
86 views

Level shifters for serial communication to an arduino

I want to send info from a raspberry pi to an arduino and vice versa using serial communication. Do i need a level shifter to accomplish this? Or can i communicate between the two without a shifter? ...
0
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0answers
64 views

Delay in Communication Between Arduino and RPi

I already asked a question regarding communication between a Arduino and RPi through a USB serial connection and was able to solve major issues. Now my RPi and Arduino are talking to each other and ...
0
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0answers
62 views

Kernel Panic on Boot with GertDuino

When I boot my RPi with the GertDuino attached and the jumpers set to the Atmel 328 I get a kernel panic where it cant find the rootfs and drops me to a shell, "kdb >". When I place the jumpers set to ...
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2answers
163 views

Arduino to RPi serial Communication

I'm trying to get my Arduino to send my Raspberry Pi some ultrasonic information via a serial connection via the USB cable. I am close but my RPi is reading the input from the Arduino clipped ...
0
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0answers
237 views

Smoke detection using raspberry pi?

I was interested in making a smoke detection unit which starts taking a video and also sends an SMS once the detector detects smoke. But the problem is which smoke detector should I use ? and how do I ...
0
votes
1answer
122 views

Raspberry Pi GPIO input fluctuating

I'm trying to read the output of a photodiode sensor circuit by the Pi GPIO. The sensor circuit outputs roughly 3.3v, from an Op Amp when the sensor detects IR. Circuit Diagram: N.B Op amp is a ...
1
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1answer
64 views

Is it safe to connect arduino with motors to pi via USB?

I'm planning to connect raspberry pi to DAGU mini driver, just as shown here. I have a question regarding the minidriver drawing current from the Pi USB port. As far as I know if there is no battery ...
1
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0answers
87 views

Multiple Arduino-Raspberry Pi serial

So, the question is, is the content of /dev/serial/by-id unique? Essentially the issue is I want to connect several (two or more) arduinos (potentially of different types, but they may all end up ...
0
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2answers
254 views

Use interrupts in i2C between Ardiono and Raspberry Pi

I'm really new to Raspberry Pi and Arduino programming (+ I2C). Recently I start working on a project where I have to connect an Arduino and a Raspberry Pi to send and receive data from each other. ...
0
votes
1answer
229 views

Sending i2c commands from arduino to pi

The RPi and arduino are connected by I2C and the arduino sends coordinates to the RPi through the wire library. However, the RPi only receives and prints out 0 when it should print out the coordinate. ...
0
votes
1answer
77 views

Raspberry Pi + Gertduino

I realize this might not be a typical RPi question. However, I have a RPi with a Gertduino plugged into the GPIO headers. I can use the wrapper program_328 for avrdude to upload a precompiled ...
2
votes
1answer
4k views

Major trouble with nRF24L01+ controllers and the RF24 library

I've had a hellish last three days. All I've wanted to do is get an Arduino Uno and a Raspberry Pi B+ talking to eachother with these little guys, and after following many different tutorials, I've ...
0
votes
2answers
172 views

Data transfer from arduino to raspberry pi wirelessly?

How do I send data to raspberry pi connected over wifi from arduino connected to a laptop which is in turn connected to the same wifi network as raspberry pi?
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1answer
1k views

Python serial permission issue

I'm trying to connect my Arduino to my RPi through python and PySerial, and I'm using the following code: import serial ser = serial.Serial('/dev/serial/ttyACM0', 9600) and I was getting an issue ...
0
votes
3answers
193 views

Is it possible to power a raspberry pi using android phone in USB host Mode?

the android phone can be used in USB host mode to power an arduino, pen drive,mouse. Is it possible to use the android phone to power a raspberry pi?
1
vote
1answer
75 views

Permanent serial connection to Raspi

I can connect an arduino by serial to my laptop no problem using Processing. Is a Raspberry Pi likely to be able to maintain a permanent USB serial connection to the arduino, or am I likely to ...
1
vote
0answers
85 views

Pi vs Arduino for running a weather display [closed]

I just moved in to my new home of Purdue and am wondering whether I should be using a Raspberry Pi or Arduino for my first project here. I want to mount some LCD panels to the back of my dorm door ...
1
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0answers
214 views

Raspberry pi and Arduino mini 05 connection

First of, I consider myself a real newbie when it comes to electronics and have my base knowledge in high level programing. So please have that in consideration in your answers. I have a raspberry pi ...
0
votes
0answers
89 views

Using Arduino .h files when programming in python

I have a working Arduino script that I'd like to clone in Python in Raspberry Pi. The script uses the: #include "U8glib.h" library. I'd like to write a python script that uses this c++ library. ...
0
votes
1answer
72 views

Arduino-Raspbery Pi bridges

I am building a small wireless controlled robot using the Arduino and the raspberry pi. It works by the user wirelessly connecting through to the raspberry Pi (using vnc or some other form wirelessly) ...
5
votes
5answers
4k views

Why do people use powered usb hubs?

I have the RPi B+. It has four usb ports. At the moment I am powering an Arduino Mega, a small RFID reader and a keyboard. I plan to also power a wifi dongle and an arduino uno. Will this just work? ...
2
votes
1answer
881 views

Home Automation and Dimming

This is a sort of continuation of a previous question I asked. I want to switch lights on and off, amongst other things with several raspberry pi's in my house. I've got this functioning and working ...
0
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0answers
142 views

controlling non addressable Led-strips using the SPI

For a project,I need to control RGB lightstrips by DMX and I want to use only 3(RGB) DMX channels.It seems logical to use non addressable lightstrips,for that seems to be the cheapest method (I need ...
0
votes
1answer
1k views

Raspberry Pi and Arduino bluetooth communication

I'm currently workin on a project which consists of controlling a arduino robot ( with this https://www.adafruit.com/products/1588 bluetooth module on it ) from my raspberry pi. I found this ...
1
vote
2answers
420 views

RaspberryPi to Arduino(leonardo) avoiding latency

I'm using a Python script via (TKinter)on the raspberryPi to capture mouse movement and events. My goal is to send this data, in real time, to another connected Arduino device(Leonardo). My first ...
1
vote
2answers
678 views

WiringPi vs default Raspbian RPi.GPIO module

Can anyone explain the difference between WiringPi and the default RPi.GPIO module that comes with raspbian? What extra features does WiringPi have?
1
vote
1answer
165 views

Need to initialize serial connection with screen

My Problem: I've got an Arduino connected to my Pi via /dev/ttyUSB0 and I always have to initialize the connection via screen, otherwise I cannot send any values via Bash or Python. What I'm doing: ...
0
votes
1answer
2k views

Can I control this ESC/Brushless Motor with a Raspberry Pi and/or Arduino

My friend and I have been reading up on articles talking about controlling ESC/Brushless Motors from a Arduino or Raspberry Pi. Articles i've read give caution on the idea that controlling such ...
-3
votes
1answer
170 views

Whats the most ideal way of communication between an Arduino and a Raspberry Pi?

I am kinda new to a raspberry Pi (just brought mine before writing this post) but i am looking to see what is the most ideal way for two way communication between an Arduino and a Raspberry Pi (USB, ...
0
votes
2answers
387 views

Can I use any GPRS Arduino shield with a Raspberry Pi?

I would like to send data over the Mobile network using a Raspberry Pi. Can I buy any GPRS shield made for Arduino like this one http://www.seeedstudio.com/wiki/GPRS_Shield_V2.0 and connect it wire by ...
0
votes
3answers
417 views

Raspberry Pi to Arduino protocol

So I'm looking to use a few (2 for now, more later) Arduinos in combo with a single Raspberry Pi master. This is basically the setup I want: What sort of protocol would be best for this type of ...
0
votes
2answers
3k views

Reading data from external device

I need some help with data reading. In my situation, I have an Arduino Uno connected via USB to the RPi. The Arduino is sending data to the RPi with Serial.write(). The Arduino outputs 128 bytes each ...
2
votes
1answer
107 views

Raspberry to power on Arduino

Ok this may seems a little bit strange question. For my personal educational purpose only I've built the following: there are 2 sensors (one digital, the other analogic) connected to an Arduino Uno ...
1
vote
3answers
250 views

Transferring data from Arduino to RPi, Missing data

I had hooked up the Arduino Uno to the RPi through USB connection. The Arduino contains a light sensor and it will transfer data to the RPi. The baud rate used was 115200. This baud rate was used due ...
0
votes
2answers
560 views

Raspberry Pi and Arduino Storing Data

I need some help on my project. I had interfaced the Raspberry Pi and Arduino Uno through USB. I used the Arduino as a slave to obtain data from sensors. The data is then transferred to the Raspberry ...