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Arduino Nodebots (Hackster CascadiaJS Workshop)
This document provides an introduction to nodebots using Arduino. It outlines some key components including the Arduino IDE for programming, a breadboard for connecting components, and example code for blinking an LED. It also discusses the Arduino Zero board, Firmata for communicating between Arduino and Node.js, the Johnny-Five library, resources for nodebots projects, and concludes by noting that hardware can be difficult but encourages the reader to get started.
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Arduino Nodebots (Hackster CascadiaJS Workshop)
- 1. Nodebots with Arduino Hackster.io MonicaHouston monica@hackster.io
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- 8. Digital I/O int ledPin= 13; // LED connected to digital pin 13 void setup() { pinMode(ledPin, OUTPUT); // sets the digital pin as output } void loop() { digitalWrite(ledPin, HIGH); // sets the LED on delay(1000); // waits for a second digitalWrite(ledPin, LOW); // sets the LED off delay(1000); // waits for a second }
- 9. Zero 32-bit ARM core 48MHzclock 12 Channel DMA controller (relieves CPU from memory intensive tasks) 32 bit Real time Counter (RTC) with clock/calendar function 32 bit CRC generator (eh?) Two-channel Inter IC Sound (12S) interface Peripheral Touch Controller (PTC)
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- 11. • Tons ofAPIs written for Node.js • Handles requests from devices like Sensors, beacons, and wearables • Over 80,000 modules (including Johnny-Five, Node-Red and Cylon.js)
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- 17. Let’s Get Started!* *note:we do not guarantee your success. Hardware is difficult and quirky, and things ALWAYS go wrong.
Editor's Notes
- #4 It is inexpensive, cross-platform, tool Can create interactive objects, taking inputs from switches or sensors and controlling a variety of lights, motors and other physical output.
- #5 Walk through the IDE – Documents/Arduino – libraries File > Sketches – code files are called “sketches” File > Examples
- #6 The basic program has a setup and a loop function Arduino.cc/en/reference/homepage There are some limitations to arduino – size and speed are two of them. Also, it can only process one task at a time It consists of simple statements (x = y) And conditional statements (if, while loops) https://www.arduino.cc/en/Reference/HomePage
- #7 The breadboard is the artist’s sketchbook for electron
- #8 Cly
- #10 256KB Flash memory 32KB of SRAM 16KB of EEPROM emulation CRC = cyclic redundancy check visit the getting started guide here: https://www.arduino.cc/en/Guide/ArduinoZero Go to “boards” and select the board manager
- #11 Firmata comes with arduino IDE. Update it Firmata_test can be used to test firmata on your board Firmata basically turns your arduino into a slave so you can control it with other code Open the code and read through it
- #12 I’m not going to cover node.js in this tutorial. If you want to learn more about node.js, got to “learnyounode” for much win The reason node.js is so successful for working with the internet of things is: the availability of API tie-ins Just google IOT modules http://nodeschool.io/ http://postscapes.com/javascript-and-the-internet-of-things
- #13 Cylon.js is a node module https://www.npmjs.com/package/johnny-five
- #16 http://www.hackster.io/andreas-haugstrup/lcd-with-johnny-five?offset=1&ref=search&ref_id=nodebots