Air Quality Arduino Example Compilation & Upload

1. Preparation

• 1. Arduino IDE Installation: Refer to Arduino IDE Installation Tutorial to complete the IDE installation.
• 2. Board Manager Setup: Refer to Basic Environment Setup Tutorial to install the M5Stack board support and select the M5StampS3 board.

• 3. Dependency Library Installation: Refer to Library Manager Installation Tutorial to install the M5Unified, M5GFX, Sensirion I2C SEN5X, and Sensirion I2C SCD4x driver libraries.

2. Download Mode

• Before powering on, press and hold the G0 button on the Air Quality module, then connect the USB cable for power to enter download mode.

3. Port Selection & Configuration

• Connect the device to your computer via USB. After the driver installation is complete, you can select the corresponding board and port in the Arduino IDE.

4. Program Compilation & Upload

Hello World

In the Arduino IDE, create a new sketch and paste the Hello World example code below. Compile and upload it to the device; the display and serial monitor will show “HelloWorld!”

#include <M5Unified.h>

void setup() {

  auto cfg = M5.config();
  M5.begin(cfg);
  M5.Display.setTextSize(3);
  M5.Display.println("HelloWorld!");
  Serial.println("Hello World!!!"); 
}

void loop() {
}

2. After uploading, you will see the following result:

5. Related Resources

• GitHub

  • M5Unified
  • M5GFX
  • Sensirion I2C SEN5X
  • Sensirion I2C SCD4x

• Arduino API & Examples

  • Sensor-SEN55
  • Sensor-SCD40
  • RTC
  • Display
  • Button
  • Battery
  • Wi-Fi
  • Buzzer
  • Wakeup