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.