Firmata based JavaScript Arduino Framework
Johnny-Five is an Open Source, JavaScript Arduino programming framework, developed at Bocoup.
Questions tagged [johnny-five]
107 questions
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vote
1 answer
RGB LED blinking with Arduino + Johnny-five
I have this RGB 5050 LED trip. Im currently using this with an Arduino board and Johnny-Five platform because I need to use Javascript to control it.
I want to make the LED blink on a certain frequency and this will increase slowly.
For a single…
MWsan
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2 answers
could not open moddep > file '/lib/modules/4.4.26-v7+/modules.dep.bin
I am having hard time trying to find nodejs samples with the groovepi and pi 3. I want to do a simple hello world, I found a groovepi sample with intel edison but obviously that didnt work.
Doing a little of research, I found johny five library but…
Luis Valencia
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Errors installing -g node-gyp on OSX El Capitan
I'm trying to install johnny-five to run Arduino Uno through JS. I keep getting stuck on npm install -g node-gyp. This seems to be a common issue, but none of the threads I've found have proven helpful.
I'm very new to all of this, so please…
JulieFunk
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1 answer
"exit" event is thrown after board is "ready"
I'm trying to control 3 leds plugged into my raspberry-pi2, and I installed johnny-five to do that.
I don't think it is linked to the problem, but there were a slight error while installing johnny-five, described at the end of the post.
I have a…
Random
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How to export an initialized board with sensors as a module
As a basic example, I have:
//tempModule.js
var five = require("johnny-five");
var board = new five.Board();
var temp;
board.on("ready", function() {
temp = new five.Temperature({
pin: "A2",
controller: "AD8495"
});
});
module.export =…
bstein5
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1 answer
How to read data continuously?
I'm trying to read data continuously from a sensor using node.js. Assuming my sensor is connected to digital pin 4 of Arduino, in the node side of the code how do I program it?
I did try this:
Node.js code:
var five = require("johnny-five");
var…
Rakshith G B
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Node.JS Child Process on the Arduino Yún is exiting when starting the parent-process via autostart
i´ve programmed a heating control with node.js, running on an arduino yun and it works just fine. A parent-process communicates with a server and forks a child-process, which is doing the control. I use fork(), the johnny-five lib and the…
The Cake Was A Lie
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Arduino Uno and Johnny-Five stops after few seconds
I am using Arduino Uno, Node.js and Johnny-Five for one of my projects. When I try to run the code below everything works just fine, I get the feedback from the sensor. After few seconds the Node.js just stops not giving me any reason. I tested the…
pawel
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2 answers
Arduino, johnny-five, can it work without connected computer?
I am new guy on Arduino and johnny-five. I am not clear about the way johnny-five work. JS code will run on computer or run directly on Arduino board? Besides, can we use johnny-five for IoT? because I have not found any component to support Arduino…
Jacky Phuong
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2 answers
How to run johnny-five on Ubuntu 15.04?
$ node hello.js
1436894483255 Device(s) /dev/ttyUSB0
1436894483279 Connected /dev/ttyUSB0
1436894493287 Device or Firmware Error A timeout occurred while connecting to the Board.
Please check that you've properly flashed the board with the…
Nainesh Gohil
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3 answers
The relationship between Firmata, Arduino and Node js
This is a basic question of understanding. I'm trying to follow this explanation http://www.barryvandam.com/node-js-communicating-with-arduino/ but something there sounds a bit off to me.
As far as I understood before, I only need to push the…
Gold Smith
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vote
2 answers
Reading input pins with johnny-five and arduino
I'm working on an application using node.js and arduino.
I'm using the johnny-five framework and have uploaded the StandardFirmata sketch to my arduino, which has an arcade controller connected to it on pins 2, 3, 4 and 5.
this is my…
Sven Lombaert
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1 answer
Refreshing the frame coming from the Leap Motion when in a while loop
I have just begun programming in JS for the Leap Motion. I am working on a project where I can control motors based on hand gestures that are being read from the Leap Motion. The frames are being parsed and then commands are being sent to the motors…
Matthew Bell
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1 answer
Can't install latest package version from npm
I'm trying to install https://www.npmjs.org/package/galileo-io via npm, and it keeps on installing 0.3.10 instead of 0.4.0, which is the latest version.
Here's a screenshot when I try to force it to install…
Ankur Jain
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2 answers
Multiple Arduino Boards using Johnny five
I am programming arduino boards in javascript. I am trying to connect multiple arduino boards using the johnny-five library. I followed the johnny-five documentation and I can strobe the led 13 on both boards at once.
However my issue is I want to…
Peter Smith
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