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Questions tagged [arduino]

Motherboard usually used for robotics

35 questions
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9 answers

How to bind USB device under a static name?

I have an Arduino which sometimes gets bound to /dev/ttyUSB0 and other times to /dev/ttyUSB1, making my script fail. I do not want to enumerate all the possibilities of where my device could be, but I'd rather have it be bound somewhere static, e.g.…
k0pernikus
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1 answer

How can I send power on/off signals to a VGA monitor?

I've used some old spare parts to make a sort-of kiosk for my kitchen. It's running OpenBSD and has a simple text based UI (no X Server). I plan to add an Arduino with a motion sensor that communicates over serial port to my app so that if there is…
ellipse-of-uncertainty
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7
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4 answers

How to log Serial data with time stamp?

I have an Arduino sending serial data to the computer. I'm able to view the data using a Serial console. But, I want to be able to log it with time stamp. I want a ready made script or program that logs serial data with time-stamp automatically…
Ufoguy
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4 answers

How would/do I access/program a remote Arduino through SSH via an intermediate computer?

I have Arduino IDE installed on my laptop and I'd like to program a remote Arduino (Uno) that is connected to a remote machine in the same network, say, for instance, a Raspberry Pi (to which the Arduino Uno would be plugged with the USB cable)…
user86969
4
votes
2 answers

udev rules don't distinguish

I have a Neato XV-* lidar unit, connected with a Sparkfun FTDI chip, and an Arduino Uno. They show up as /dev/ttyUSB0 and /dev/ttyUSB1, unpredictably unassigned. So, I wrote…
tsbertalan
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2 answers

How can I make a udev rule using a “sibling” device's serial number (for USB devices with no unique serials)?

I have testing equipment that is made-up of the following: a USB Hub connected to the master PC, the hub is embedded in the test jig and is used so that we have only 1 USB cable running from the jig to the PC. an Arduino UNO, connected by USB to…
Memes
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4
votes
1 answer

Emulate joystick input via numeric input

I have an arduino which gives me numbers from a potentiometer (300-600), device /dev/ttyACM0 baudrate 9600. I want to use these numbers as a 1-axis joystick. My system is archlinux and X-Displaymanager.
linuscl
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4
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1 answer

How to bind arduino as a fix block-device --- /dev/ttyACM0?

I want to bind my Arduino Mega as /dev/ttyACM0. Sometimes, it turns out to be /dev/ttyACM0 and sometimes as /dev/ttyACM1. I have taken help from this question and this tutorial Someone please help me to achieve that as there are only 2 entries in…
Am_I_Helpful
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4
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1 answer

Creating/Removing a symbolic link when a USB device connects/disconnects

I'm working with an Arduino board and Matlab under Linux. Matlab, unfortunately, doesn't recognize the Arduino board when is connected unless I create a symbolic link to the Arduino board in /dev by: sudo ln -s /dev/ttyACM0 /dev/ttyUSBx Where x is…
Charlie
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4
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3 answers

Headlessly Compiling and Uploading Arduino Programs on an armhf Platform

I'm currently running my Hardkernel ODROID U2 with the ODUINO One (Arduino Uno R3 & additions) in a headless setup and connect to the ODROID U2 via SSH over LAN. It is running Debian 7.1 armhf and got all major libraries that are needed to compile…
Big-Blue
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3
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0 answers

Cannot find /bin/avr-g++

I am trying to compile a program with the Arduino IDE but can't because suddenly it returns these errors Arduino: 1.6.5 (Linux), Board: "Arduino/Genuino Uno" Cannot run program "{runtime.tools.avr-gcc.path}/bin/avr-g++" (in directory "."): error=2,…
Tom
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3
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0 answers

Can I connect to Multiple Bluetooth devices using a Bluetooth dongle?

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 time import sleep bluetoothSerial =…
harveyslash
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3
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2 answers

leaking memory with shell script and tty

I'm running a shell script on a raspberry pi to communicate with a arduino. Every hour my ram gets used up by about 50 megabytes more. The script itself just connects to ttyACM0 (the arduino's usb terminal) and then sends a char to it. The script…
Gotschi
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3 answers

Arduino: avrdude: ser_open(): can't open device "/dev/ttyACM1": Input/output error

I use arduino ide on arch linux with arduino uno connected via USB. I am sure that I choosed right port and board in ide menu. when I run ls -l /dev/ttyACM* I get: crw-rw---- 1 root uucp 166, 0 14. dub 12.44 /dev/ttyACM0 crw-rw-rw- 1 root uucp 166,…
Jan Černý
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2
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0 answers

device or resource busy: /dev/ttyUSB0 when not root

I've got an arduino that I use echo "b" > /dev/ttyUSB0 to send data to it. When this command is run via the root user it works correctly. However a normal user gets an error of: echo 'b' > /dev/ttyUSB0 zsh: device or resource busy:…
Chris Stryczynski
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