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ESP32C3-Based Thermal Imaging Camera with TFT Display

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Circuit Documentation

Summary

The circuit in question consists of three main components: a GY-MCU90640 thermal camera module, a XIAO ESP32C3 microcontroller, and an ili9341 TFT display. The XIAO ESP32C3 serves as the central processing unit, interfacing with both the thermal camera module and the TFT display. The thermal camera captures temperature data, which is then processed by the microcontroller and displayed on the TFT screen. The display shows the thermal data visually and provides additional information such as ambient temperature and frame rate.

Component List

GY-MCU90640

XIAO ESP32C3

ili9341 TFT Display

Wiring Details

GY-MCU90640

XIAO ESP32C3

ili9341 TFT Display

Documented Code

The code provided is for the XIAO ESP32C3 microcontroller and is written in Arduino C/C++. It includes libraries for the Adafruit MLX90640 thermal camera and the Adafruit GFX library for the ili9341 TFT display. The code initializes the thermal camera and the TFT display, captures temperature data from the thermal camera, and displays it on the TFT screen. It also calculates and displays the ambient temperature and the frame rate.

#include <Adafruit_MLX90640.h>
#include <Adafruit_GFX.h>    // Core graphics library
#include <Adafruit_ST7789.h> // Hardware-specific library for ST7789
#include <SPI.h>

// ... (Code omitted for brevity)

void setup() {
  // Setup code to initialize the display and thermal camera
  // ... (Code omitted for brevity)
}

void loop() {
  // Main loop code to capture and display thermal data
  // ... (Code omitted for brevity)
}

Note: The full code is not displayed here due to brevity. The provided code snippet shows the inclusion of necessary libraries and the structure of the setup and loop functions, which are essential in Arduino programming. The setup function is called once when the program starts and is used to initialize settings. The loop function runs repeatedly, allowing the device to change and respond. It's where the main logic of the program is implemented.