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Arduino posts

  • By Brent Schooley
    Getting Started with Twilio Programmable Wireless on the LinkIt ONE cover

    At SIGNAL we launched Twilio Programmable Wireless which allows you to add cellular data to your IoT projects using a Twilio SIM card. The LinkIt ONE dev board in the SIGNAL hackpack is a perfect place to try out these new capabilities. In the next 5 minutes you’ll learn how to use the cellular functionality of this device using your Twilio SIM card.

    What You’ll Need

    Before we get to hacking there are a few things we need to get set up. First, we need to set up the LinkIt ONE board and make sure it is programmable using the Arduino IDE and the MediaTek LinkIt ONE SDK. The steps for getting this set up are outlined in this blog post. Once you’ve completed those steps you’ll want to also make sure to attach the cellular antenna if you haven’t already because it is needed for Twilio Programmable Wireless. …

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  • By Brent Schooley
    Getting Started with Arduino on the LinkIt ONE LinkIt ONE

    Arduino is an amazing platform for building interactive hardware projects. In the next ten minutes we’ll get our first program running on the SeeedStudio LinkIt ONE development board.

    Hackpacks are back!

    If you’re coming to SIGNAL (you are coming to SIGNAL right? – use promo code BSCHOOLEY20 for 20% off your ticket) you’ll be receiving a LinkIt ONE in the Hackpack we’re giving to every attendee. Stop by the Hackpack station and we’ll help you get it up and running.

    What is the LinkIT ONE?

    The LinkIt ONE is a development board that is made by the collaboration of SeeedStudio and MediaTek. It features an ARM7 EJ-STM processor on a board that is pin-out compatible with Arduino. Onboard you’ll find support for …

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  • By Brent Schooley
    How To Create a Spooky Halloween Hackpack with Laravel and Arduino batty

    I found myself trapped in what seemed like a terrible dream. Visions of ghosts and bats blinking at me in the darkness were revealing what looked to be a foreign language. As I peered closer I caught a glimpse of what looked to be dollar signs and weird arrow shapes. Could it be? Yes, it was in fact my worst nightmare: having to work with a programming language I haven’t worked with in a long, long time. It was clear I was going to have to face this fear head on if I was ever going to escape...

    Halloween has always been a fun holiday for me. People dress up in crazy costumes, everyone makes excuses for eating candy and every now and then you might just have to face your fears. It’s also a great time to hack on spooky projects that involve LEDs. My favorite gear …

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  • By Kyle Kelly-Yahner
    Here’s What An Arduino and Twilio Powered Telegraph Looks Like telegraph1

    I hate voicemail. That’s why I text my friends. Sorry, I should elaborate. I mean I text a Twilio number that interfaces with Arduino to translate my text message into morse code which is then tapped out by an old telegraph.

    Is my means of communication uncommon? Yes.
    Is it pretty rad? Yes.
    Am I abusing sarcastic rhetorical questions? Most definitely.

    Noam Zomerfeld, a design student at California College of the Arts, wanted to unpack how basic communication systems work. Instead of diving into communications apps and stacks, he went old school. He decided to build a rudimentary telegraph with just a piece of wood, batteries and wire. From there, brought the old school hardware (telegraphs still count as hardware) to the new school of APIs and Arduino interfaces.

    Here’s how Noam’s telegraph works. Any passerby can text Noam’s Twilio number. The text string is parsed by an Arduino in …

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  • By Brent Schooley
    Light Up Your Hackpack With the Adafruit NeoMatrix Library header

    Signal is almost upon us. That means that in just a few days we’ll be handing out hackpacks to every attendee of the conference. The hackpack contains a littleBits-powered Adafruit NeoPixel 8×8 LED Panel that can be programmed to display whatever you can fit onto its display. If you haven’t already read it, check out our recent post detailing what hardware is in the hackpack and instructions on how to build your own hacks.

    Adafruit provides a set of libraries that make it easier to hack on its LED products and developers have used them to create a variety of creative hacks including Christmas tree ornaments and animated sprites. While these libraries streamline the development process a …

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  • By Greg Baugues
    How I Taught My Dog to Text Me Selfies kaira-twilio-featured

    A few weeks after we got our puppy, we taught her how to turn on a light.

    Turns out Kaira will do just about anything if you can clearly communicate your desires and have a treat in your hand. There’s an Ikea lamp in our bedroom that’s activated by stepping on a floor switch. We started her training by placing her paw on the switch, saying “Light,” and giving her a treat. Once she got that, we’d press on her paw and withhold the treat until she heard a click. Eventually, we could say “Light” from across the room and Kaira would run over and do the job:

    Shortly afterwards I started thinking, “I’ve got a dog that can press a button. What can I do with that?”

    Doggy Selfies

    When Twilio launched Programmable MMS, I started to wonder if we could teach Kaira to send selfies. I’m pleased …

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  • By Greg Baugues
    How to Send SMS And MMS From Your Arduino Yun arduino-yun-pins-2

    The Arduino Yun has built-in WiFi and a second microprocessor which runs Linux. That means that you can write programs in your favorite scripting language and interact with APIs directly from your Arduino.

    In this tutorial, we’ll learn how to send SMS and MMS from our Arduino Yun using Python and Twilio. By the end we will:

    • Install pip and the Twilio Python helper library on the Yun
    • Write a Python script to send SMS and MMS
    • Send a text message from an Arduino program

    Getting Started

    This tutorial builds on our Getting Started with the Arduino Yun tutorial, which covers:

    • How to format your SD card for use in the Yun
    • How to upgrade to the latest version of OpenWRT-Yun
    • How to install the Arduino IDE
    • How to run your first sketch on the Yun

    Assuming you’ve completed those steps, this tutorial on sending text messages should take …

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  • By Brent Schooley
    TaskRouter and the Internet of Things king_of_cool

    There are millions of devices hooked up to the Internet and generating data, from refrigerators monitoring their contents to webcams tracking intruders. These connected devices, collectively referred to as the “Internet of Things” often create work that needs to be done by humans. How do we keep track of all that work? How do we assign that work to an appropriately skilled and available worker? How do we know when it’s done?

    To solve problems like these Twilio just launched TaskRouter, a service to distribute work that needs to be done to workers who can do it.

    In a recent post, Greg Baugues showed how to build an Arduino Yún powered photobooth. In this post we’re going to take the image …

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  • By Greg Baugues
    Build a Photobooth with an Arduino Yun, a Webcam and Dropbox arduino-yun

    The Arduino Yun is an Arduino with built-in WiFi and Linux. With the Yun, not only can you do all the hardware hacking that you’d expect from an Arduino, but you can also connect it to the Internet and run programs in your favorite scripting language.

    In this tutorial, we’ll build a proof-of-concept for an Arduino powered photo booth to serve as the foundation for teaching my dog to send me selfies using Twilio MMS. The goal is to:

    • take a picture with a webcam plugged into the Arduino Yun
    • upload the image to dropbox using Python
    • trigger these actions via the press of a button

    The end result is going to look something like this:

    Getting Started

    This tutorial builds on our Getting Started with the Arduino Yun tutorial, which covers:

    • How to format your SD card for use in the Yun
    • How to upgrade to the …
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  • By Greg Baugues
    Construya una cabina de fotos con un Arduino Yun, una Cámara Web y Dropbox yP6wadbOXp1OQQQK8alavd8n2Z-BAt4dS70c6t9A5SbRuNHohD_oT6DX5IFQuDu9Oq4qTF_zDfnUmF-Ic7yMOaVzeTJ3TqOSNpoIrcUm4V6_6tjN5CawDVrIaESjuP92ia5zgv-c

    El Arduino Yun es un Arduino con WiFi incorporado y Linux. Con el Yun, no sólo puede hacer todos los trucos de hardware que usted esperaría de un Arduino, sino que también se puede conectar a Internet y ejecutar programas en su lenguaje de programación favorito.

    En este tutorial, vamos a construir un concepto de prueba para una cabina potenciada de fotos Arduino, que sirva de base para enseñar a mi perro que me envíe selfies utilizando Twilio MMS. La meta es:

    • tomar una foto con una cámara web conectada al Arduino Yun
    • subir la imagen seleccionada a Dropbox utilizando Python
    • realizar estas acciones a través de la pulsación de un botón

    El resultado final va a ser algo como esto:


    Este tutorial se basa en nuestro tutorial: Comenzando con el Arduino Yun, el cual cubre

    • Cómo formatear la tarjeta SD para su uso en el Yun
    • Cómo …
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