ESP32 HDC1080 Humidity and Temperature Sensor

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In this tutorial, we build a complete indoor environment monitoring device by interfacing the HDC1080 temperature and humidity sensor alongside the SGP40 air quality sensor, both running on the same I2C bus. We'll walk through the sensor driver integration with the ESP32S3 microcontroller and use a logic analyzer to inspect the data exchanged between the sensors and the MCU.

The collected data is displayed on the Lilygo T-HMI 2.8" TFT screen in both graphical and numerical formats. We're using the LVGL library in the ESP32S3 firmware to create a clean, functional GUI, making the data presentation look sleek and user-friendly. The UI is designed on a PC using Square Line Studio, and its LVGL output is integrated directly into the firmware. You'll also see how to use board-side buttons to switch between data views and activate animations.

By the end of this video, you'll have a better understanding of how to monitor indoor temperature, humidity, and air quality all in one device!

Key topics covered:

Interfacing HDC1080 and SGP40 sensors on I2C
Sensor driver integration on ESP32S3
Data analysis with a logic analyzer
Displaying data on a TFT screen with graphical interface
Button controls for switching views and animations

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GitHub Repository:
https://github.com/UsefulElectronics/...

Next Tutorial: GUI Design
   • ESP32S3 LVGL SquareLine Studio Gauge ...  

LVGL library integration tutorial:
   • ESP32S3 Interfacing 8bit Display Usin...  

Useful Electronics Blogs website:
https://www.usefulelectronics.net

SquareLine Studio Official Web site
https://squareline.io/

LVGL Library Official Web site
https://lvgl.io/

#ESP32 #ESP32S3 #HDC1080 #SGP40 #AirQualitySensor #TemperatureSensor
#HumiditySensor #IoTProjects
#Microcontroller #EmbeddedSystems #TFTDisplay
#IndoorEnvironmentMonitoring #DIYElectronics #TechTutorial #LogicAnalyzer