IoT Engineering

Hands-on of lesson 4

For slides and example code, see lesson 4

Note: Do not work on this repository right away.
Check existing forks to find the specific repository for your class.

a) Web services, 15'

Build and run the previous Web service examples.
Use the .ino link on each page to find the source.
Check the serial monitor to see the server IP.
Use your browser and Curl as Web clients.
Is there a difference between clients?
Done? Here's a bonus example to study.

b) Philips Hue API, 15'

Read the API documentation to find the following:
API endpoints, protocols, data formats, queries.
Try to control the Philips Hue lights in class.
Take notes on links, tools, requests used.

c) CoAP, 15'

Download a CoAP client and server implementation.
Run it on your laptop or on the ESP8266, if possible.
Consider using a testing service like http://coap.me/

d) IKEA Tradfri, 15'

Search for hints about the API to find the following:
API endpoints, protocols, data formats, queries.
Try to access the IKEA Tradfri gateway in class.
Take notes about links, tools, requests used.

e) Challenge

Write a connected display service on the ESP8266.
Create a RESTful Web API for the 4-digit display.
Document the HTTP calls your API can handle.
Print the service IP address to the console.
Commit to the hands-on repo.