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Twilio takes the rise with IoT smart bread maker

It comes courtesy of Twilio, the San Francisco-based cloud comms specialists, and is described as an Internet connected sourdough fitness tracker! This example uses the Twilio Alfa devboard as the host (compatible with the Arduino IDE, for programming).

Mainly, however, it features the company’s Narrowband IoT Developer Kit, which enables the creation of a monitor to keep track of statistics around temperature, humidity and rise.

The project creator – Christine Sunu, of Twilio – writes:


“Twilio’s Narrowband IoT dev kit happens to have some great sensors we can use to get started, and it’s also designed for constant, low-power connectivity, which is what I want for this particular product. Cellular connectivity also means we don’t have to do any setup or fight with our Wi-Fi routers.”

“The downside to Twilio Narrowband is that it only works in the US. If you’re hoping to monitor your bread from outside the US, stay tuned! I’m planning another bread monitor in the future that connects with Super SIM, which is available everywhere.”

There are the following components in the kit:

  • Programmable Wireless Narrowband IoT SIM (full size, mini, micro, and nano)
  • ‘Alfa’ Development board
  • LTE antenna
  • GPS antenna
  • Set of Grove sensors: push button, ultrasonic, and temperature/humidity.


    Micro-USB cable
  • Additional cabling

Supported sensors include:

  • Buttons
  • Ultrasonic range sensors
  • Temperature and humidity sensors
  • GPS

There’s also sample code, which covers setting up the modem and reading data from one of the sensors, as well as sending and receiving data.

MQTT

As well as the the development board, you will also need an MQTT broker of choice the maker created it with with Adafruit IO and Thingspeak (with setup info online as part of the project).

What is MQTT, you my ask? I did. Basically, it is described as “a lightweight messaging protocol for small sensors and mobile devices, optimized for high-latency or unreliable networks”.

Read more on this company blog post that details the project.

See also: droidcon London 2017: Android Things to the fore

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