IoT Hardware/Web Integration

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Who Am I?

Joe Karlsson

  • Instructor at DevLeague
  • I like cats
  • Love feminist film theory

What is the Internet of Things (IoT)?

The most simple definition is a network of devices that have an IP address and can communicate with each other over the internet.

It's just the internet with "things" on it

Okay, let's break it down

  • What is a network?
  • What is an IP Address?
  • What is the internet?
  • How do machines communicate over a network?

To understand the Internet of Things (IoT), we need to understand 4 things:

What Is A Network?

A network is a group of computers or other devices connected via cables, telephone lines, radio waves,  or satellites and generally involves all devices to "speak" to each other using a standard, defined protocol.

What is an IP Address?

An IP address is a unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network.

This gives computers on a network a "name" or identity that will not be duplicated by any other computer.

What is the internet?

The internet is a global network of public IP addresses that allows computers all over the world to have unique identities and names.

k - got it?

Wait!

... so what is a "thing"?

Okay, so Now we need to connect the hardware to the internet

but what protocol should we use?

There is no one best protocol or API for client/server communication

We're going to use WebSockets

WebSocket is the only transport that allows bidirectional communication over the same connection. As a result, WebSocket provides low latency delivery of text and binary application data in both directions.

Alright, let's code

Additional Resources

IoT Web Integration

By Joe Karlsson

IoT Web Integration

Exploring how to connect your IoT devices up to the world wide web.

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