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.
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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 ...
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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 ...
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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 ...
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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 ...
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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/...
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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 ...
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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+...
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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 ...
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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....
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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,...
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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:
...