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Questions tagged [johnny-five]

Johnny-Five is the JavaScript Robotics & IoT Platform. Released by Bocoup in 2012, Johnny-Five is maintained by a community of passionate software developers and hardware engineers. Over 75 developers have made contributions towards building a robust, extensible and composable ecosystem.

Johnny-Five is the JavaScript Robotics & IoT Platform. Released by Bocoup in 2012, Johnny-Five is maintained by a community of passionate software developers and hardware engineers. Over 75 developers have made contributions towards building a robust, extensible and composable ecosystem.

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NodeJS (Galileo-IO) + Arduino sensor library

I've done some basic apps with NodeJS firmata where I can connect to my Arduino Uno and do the basics like reading a pin or doing a servo write. I'd like to go further and play with some different sensors from vendors like Adafruit. Many such…
Gregir
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Using Johnny-five API with RFID Controller Shield

Is it possible to use the Adafruit PN532 NFC/RFID Controller Shield with the Johnny Five API? I've searched the depths of google and I'm unable to find anything so far. If it is possible, how can I go about this? I'm using an Arduino Uno with this.
Chris Till
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74HC595N in series error

I want have 2 74HC595N shift registers in series. I built this schematic When I send a value to the first register, it is sent to the second one. I have same value on both. I change them (master/slave) but the result is the same. I connected pin…
Val Valli
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Arduino: command not found

After installing the Arduino IDE on MacOS (1.8.5), I am trying to run some commands in the terminal to flash the firmware on an Uno R3. I have successfully connected and uploaded through the GUI, but would like to use the command line for the…
ang
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Firmata: how to set a particular pin to high on boot?

I'm working on a project that use J5, so is using the standard firmata, this project is using an opto 4 channel relay, when the board is booting the pins state are set to low, so as soon as I power the board my relay goes to a close state and make…
FabioEnne
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Arduino Nano 33 IoT StandardFirmataPlus

newbie here. So I've been trying to upload StandardFirmataPlus into my Arduino Nano 33 IoT so that I can program in Johnny-Five. However I have this issue. I've checked that my port is connected and that the libraries are up to date. The docs say…
Girish Ravi
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Is the johnny-five library and javascipt good for Arduino projects?

I am new to Arduino. I just have my Arduino UNO kit and started to do some small projects with node.js and the Johnny-five library. My question is why there not many content about javascript+Arduino in web, and the last news on Johnny-five website…
Qui-Gon Jinn
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Trying to do hello world app for Nokia 5110 LCD with arduino yun and johnny five

I have a Nokia 5110 LCD which is using this display PCD8544, I am using a arduino yun and johnny five I have hooked up the following pins. So far with my node app all that happens is the lcd lights up. I am not sure if maybe the lcd is not supported…
Anders Kitson
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How to delay so that LED stays on a bit longer?

I have a circuit with a shift register which controls 8 LEDs: http://node-ardx.org/exercises/5. In code, I created a function cycle() cycle through each LED one at a time, but this occurs too quickly on the board. How can I add a delay inside the…
KatieK
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Johnny-five driving LCD Matrix or call Arduino library from Johnny-five

I would like to know if it's possible to drive an LED Matrix like this one with johnny-five. If not, how can i call Arduino library/code from johnny-five. If I Write method on sketch into the Arduino, can I call them from J5 REPL?
Leze
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Johnny Five LCD: black boxes only

I posted this also at Stack Overflow. I have tested the Johnny Five LED example on my Arduino Uno, and it worked fine. Now I need to test Johnny Five LCD. I connected all wires correctly. The code: var five = require("johnny-five"), board,…
theshemul
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