Track

IoT lessons

3 lessons in this track. Work through them in order — each builds on the last.

Lesson 140 minBeginner

IoT Fundamentals

What makes a thing 'smart'? Learn sensors, connectivity and the cloud loop that powers IoT.

Steps

  1. 1Understand the sense → connect → cloud loop.
  2. 2Read a digital sensor over I2C.
  3. 3Connect a board to WiFi.
  4. 4Send a reading to a mock cloud endpoint.
Lesson 255 minIntermediate

Sensor Data Streaming

Publish live telemetry to a dashboard and visualise environmental data in real time.

Steps

  1. 1Sample sensors at a fixed interval.
  2. 2Format readings as JSON telemetry.
  3. 3Publish to a cloud topic / endpoint.
  4. 4Build a simple live chart from the stream.

Prerequisites: IoT Fundamentals

Lesson 360 minIntermediate

Smart Home Automation

Use relays, motion and light sensors to automate lights, fans and alerts.

Steps

  1. 1Wire a relay to a safe low-voltage load.
  2. 2Add a PIR motion sensor trigger.
  3. 3Combine motion + light conditions.
  4. 4Build a door-open alert with a contact sensor.

Prerequisites: IoT Fundamentals