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Lesson 20: Using the DHT11 Temperature and Humidity Sensor in MicroPython

This tutorial covers measuring temperature and humidity using the DHT11 sensor with the Raspberry Pi Pico W:

  • Introduction: Focus on using the DHT11 sensor for temperature and humidity measurement.

  • Previous Lessons Recap: Review of digital writes, analog writes, and sensor reads.

  • Component Introduction: Introduce the DHT11 sensor from the SunFounder Kepler kit.

  • Code Explanation: Import libraries, set up GPIO, initialize the sensor, and read data in a loop.

  • Practical Demonstration: Run code and observe real-time temperature and humidity readings.

  • Formatting Output: Format output for Celsius and humidity, and print the degree symbol.

  • Homework Assignment: Add a button to toggle between Celsius and Fahrenheit.

Video