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"arduino" posts

  • By Christopher Konopka
    How to Play a MP3 File with Programmable Wireless, Go and the Arduino MKR GSM 1400 arduinomkr1400.jpg

    The new MKR family of Arduino boards are going to change the landscape of rapid prototyping IoT solutions. The Arduino MKR GSM 1400 is a great solution for anyone looking to expand the scope of their IoT projects using cellular connectivity. By integrating a modem with a microcontroller a new all-in-one communication solution has started to emerge. This paired with the Twilio Programmable Wireless SIM makes it possible to communicate around the globe using Machine-to-Machine commands. “Things” can now be connected in ways previously impossible with WiFi or Bluetooth.

    This tutorial demonstrates how to send a Machine-to-Machine Command from the Arduino MKR GSM 1400 to a server written in Go. When the Machine-to-Machine Command is received server-side an audio file will play a .mp3 saying “hello”. If you want to jump ahead the completed project can be found on the TwilioIoT GitHub.

    What is the Arduino MKR GSM 1400? …

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  • By Christopher Konopka
    Introducing Twilio Developer Evangelist Christopher Konopka Konopka-DevangelIntroPost

    Following your passion and hard work are things I observed being around family when I was young. My grandfather passed away early in my life but his memory was always visible to me through the pictures hanging on the walls in my grandmother’s house.

    One wall had an image of a worn leather boot and him climbing a telephone pole next to it. He, along with other family members, were responsible for putting up telephone lines across the northern part of Massachusetts for Bell Telephone.

    Bell Labs Radio GIF-source.gif

    Growing up in this environment I was always taught to problem-solve and was encouraged to seek solutions by observing the problem through the eyes of others. From the beginning I was equipped with curiosity and inspired to use it every day.

    There were two principles I was told that make the world work: asking "why?" and communication.

    Learning Styles

    As a kid I never …

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  • By Andrei Birjukov
    Open Sesame: Control a Garage Door with Twilio Studio, Sync and a WiFi Module FhIw5NYCdTJX95W5P1zGtr2ssNCxuIwiE7VOgLimf4UO-0uFTT2M17UYUhFm-lHmhlYIX1-5e4yedpMvUcF7CwimiOIkkVBzs766Uhcvbfnu8DzCmu5YfGTK1Vu4qGUXtzNTSII4

    Communication between the worlds of humans and machines doesn’t need to be apocalyptically hard or prohibitively expensive. In this project, we are going to build a voice call operated garage door opener with an ESP8266 dev board and a relay. In order to stitch all the parts together, we will use our visual workflow builder Studio and Sync for IoT.

    We use Twilio Sync for IoT and Studio in this project, which are currently in Developer Preview. Sign up for the Sync for IoT preview and the Twilio Studio preview before you begin.

    Gather the Garage Door Hardware

    Our final flow will use an ESP8266 to link your garage door to a communications flow via Sync for IoT. Here’s what you’ll need:

    • One …
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  • By Paul Kamp
    Agricultural Monitoring with Twilio Programmable Wireless and Helium sEpjJ1aP3-jq_m-DMlOop9-UEgYjIyHYYkMPM6tMptg0WP4NABqcuqLTGbIYC6ucDkAvIdYs193UKyjb_NgcQLlm_DAz5mClzpvfJoMuAeNXYJVKcti4SqnHq82g06DCsNGiTZuw

    The Internet of Things certainly has potential – and for some applications it’s even currently performing. Smart farming is one of those fields (pun intended), where always-connected sensors can do better at crop monitoring than any human ever could. Watching moisture levels and other soil metrics is a perfect assignment for low-powered microcontrollers scattered throughout amber waves of grain.

    Building a Smart Farm with Arduino, Twilio and Helium

    Here in the Bay Area, lot sizes are measured in square footage not acreage – so excuse my diversion into hyperbole. At my house, I have a couple of 3’x6.5’ planter boxes where we grow herbs and root vegetables. Today, we’ll wire up a planter box …

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  • By Paul Kamp
    Blink an ESP8266 LED in Real-Time using Twilio’s Sync for IoT esp8266_dev_board_on_wood

    If you’re anything like me, you’ve got an entire desk drawer full of hardware dev boards and sensors waiting patiently for a project. (Okay, fine, a garage storage rack.)

    That’s why I was so excited when we announced we’re bringing Twilio’s Sync to IoT devices. Sync is Twilio’s real-time state synchronization product, allowing you to persist, update, and check variable state from anywhere the internet is found. We added MQTT over TLS support to Sync, opening up Sync’s super-scalable architecture to many of those aforementioned drawer hardware devices.

    If you can’t tell, I’m over the moon at this development. Follow along with this blog post; we’re going to use an Espressif ESP8266 Dev Board, Sync for IoT, the Arduino IDE and billions of electrons to blink an LED from the command line.

    Sync-ing Our Capabilities

    Sync for IoT is currently in Developer Preview, so you’ll first …

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  • By Dominik Kundel
    JS 💖 Hardware – Getting started with Nodebots and Johnny-Five hgPflcjLxl8z2pszNezLEBSYf8UGKfN0TCns15wZTYPH45aU6-lGO18UIvgEU2XSVt6g_NJwNGwbfy1CQ48vJZHnXViT5IpoQhTaE8D7fvSA3euieDePS3IQQasH66m-k1kQlLOT

    Getting started with hardware hacking can be quite intimidating for some folks. The world of electronics is completely foreign for most developers; additionally, it requires you to write C/C which is efficient but not everyone feels comfortable with. However, the Nodebots movement is a nice way to get started with hardware development using JavaScript. In this article, I want to guide you through some very basic things to get started.

    JavaScript && Hardware? How?


    There are quite a few different projects aimed at hardware development with JavaScript. Some come with special hardware like the Tessel or Espruino. Both of them are great projects but in this post we will focus on anothe …

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  • 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-S™ 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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