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Setting Up the Development Environment

Course Content
Session 1: Introduction to ESP32
Objective: Get familiar with the ESP32 microcontroller and set up the development environment.
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What is the ESP32?
Quick quiz to test your knowledge on the ESP32 features.
Setting Up the Development Environment
Writing Your First Program
Conclusion
Session 2: Interfacing with Sensors and Displays
Learn how to connect a DHT22 sensor and an OLED display to the ESP32.
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Introduction to OLED Displays and I2C
Hardware Setup
Setting Up the Development Environment
Writing and Uploading the Code
Session 3: Programming the DHT22 Sensor
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What is a DHT22 sensor?
Wiring a DHT22 (3 Pin)
Wiring a DHT22 (4 Pin)
DHT22 Code
Session 4: Programming the OLED Display
Objective: Write code to display information on the OLED display.
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Types of OLEDs
Wiring an OLED I2C
OLED Code
Finding the I2C Scanner Address
Session 5: Integrating Sensor Data with OLED Display
Objective: Combine sensor readings with OLED display functionality.
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Displaying Data to the OLED
Session 6: Setup WIFI Capability
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Adding WiFi
Session 7: Adding a Webserver
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Adding a Web Interface
Session 8: Wrap-up
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A Review of Everything
ESP32 Basics
About Lesson

A. Tools and Software

  • Arduino IDE: A popular IDE for programming ESP32.
  • PlatformIO: An alternative IDE with more advanced features.

B. Installing Arduino IDE

  1. Download and install Arduino IDE from Arduino’s website.
  2. Open Arduino IDE and go to File → Preferences.
  3. Add the following URL to the Additional Boards Manager URLs field: https://dl.espressif.com/dl/package_esp32_index.json.
  4. Go to Tools → Board → Boards Manager and search for “ESP32”. Install the ESP32 board package.

C. Connecting the ESP32

  • Connect the ESP32 to your computer via USB.
  • Install drivers if necessary (especially for Windows users).

D. Selecting the Board and Port

  • Go to Tools → Board and select “ESP32 Dev Module”.
  • Go to Tools → Port and select the appropriate COM port (for Windows) or /dev/ttyUSB0 (for macOS/Linux).

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