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akshayanirmal2005-cmyk/smart-health-track

★ 23C++Audience · developerComplexity · 3/5Setup · moderate

TLDR

An ESP32 microcontroller project that reads temperature, humidity, air quality, and rain sensor data and shows it on an LCD screen, framed as an environmental health tracker with IoT connectivity.

Mindmap

mindmap
  root((repo))
    Hardware
      ESP32 board
      DHT22 temperature sensor
      MQ135 air quality sensor
      Rain sensor
      LCD display
    What it does
      Reads sensor data
      Shows readings on LCD
      IoT connectivity
    Tech stack
      C++
      PlatformIO
      VS Code
    Audience
      Hobbyists
      Students
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Code map

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Things people build with this

USE CASE 1

Build a room environment monitor that displays live temperature, humidity, and air quality readings on a small LCD screen.

USE CASE 2

Create an IoT sensor node that collects weather and air quality data from multiple sensors and can send it over a network.

Tech stack

C++PlatformIOESP32

Getting it running

Difficulty · moderate Time to first run · 1h+

Requires physical hardware assembly of ESP32 with multiple sensors, no wiring diagrams are provided in the repository.

No license information is mentioned in the explanation.

In plain English

Smart-Health-track is a project built around the ESP32, a small wireless microcontroller commonly used in hobby and embedded projects. It collects environmental sensor data and the README frames it as a health tracking system. The hardware used includes a DHT22 sensor for temperature and humidity readings, an MQ135 sensor for air quality, a rain sensor, and an LCD display to show readings. The ESP32 connects all of these together and, according to the README, provides IoT connectivity, meaning the data can presumably be sent over a network. The project is developed using PlatformIO inside Visual Studio Code, which is a common setup for writing and uploading code to microcontroller boards. The README is brief and does not include wiring diagrams, setup steps, or details about how the connectivity or display features work.

Copy-paste prompts

Prompt 1
I have an ESP32 with a DHT22 and MQ135 wired up and PlatformIO installed in VS Code. Show me how to read both sensors and display temperature, humidity, and air quality readings on a 16x2 LCD.
Prompt 2
Using this smart-health-track ESP32 setup, help me add code to send sensor readings to an MQTT broker over Wi-Fi every 30 seconds.
Prompt 3
My MQ135 air quality sensor on the ESP32 is giving unstable readings right after power-up. What warm-up delay or calibration steps should I add to the setup function?
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