M5StickC PLUS2

#include "M5StickCPlus2.h"

void setup() {
    // Retrieves device configuration.
    auto cfg = M5.config();
    // Initializes the M5StickC Plus2.
    StickCP2.begin(cfg);
    // Rotates the display
    StickCP2.Display.setRotation(1);
    // sets text color to green
    StickCP2.Display.setTextColor(GREEN);
    // centers the text
    StickCP2.Display.setTextDatum(middle_center);
    // uses the "Orbitron_Light_24" font
    StickCP2.Display.setTextFont(&fonts::Orbitron_Light_24);
    StickCP2.Display.setTextSize(1);
    // Displays the message "Power LED" at the screen’s center.
    StickCP2.Display.drawString("Buzzer Test", StickCP2.Display.width() / 2,
                                StickCP2.Display.height() / 2);
}

void loop() {
    // Play a 10,000 Hz tone for 100 milliseconds
    StickCP2.Speaker.tone(10000, 100);
    // Delay for 1 second
    delay(1000);
    // Play a 4,000 Hz tone for 20 milliseconds
    StickCP2.Speaker.tone(4000, 20);
    // Delay for 1 second
    delay(1000);
}

void setup() {
    // Retrieves device configuration.
    auto cfg = M5.config();
    // Initializes the M5StickC Plus2.
    StickCP2.begin(cfg);
    // Rotates the display
    StickCP2.Display.setRotation(1);
    // sets text color to green
    StickCP2.Display.setTextColor(GREEN);
    // centers the text
    StickCP2.Display.setTextDatum(middle_center);
    // uses the "Orbitron_Light_24" font
    StickCP2.Display.setTextFont(&fonts::Orbitron_Light_24);
    StickCP2.Display.setTextSize(1);
    // Displays the message "Power LED" at the screen’s center.
    StickCP2.Display.drawString("Buzzer Test", StickCP2.Display.width() / 2,
                                StickCP2.Display.height() / 2);
}

• Rotation: setRotation(1) rotates the display by 90 degrees to match the device's physical orientation.

• Text Color: setTextColor(GREEN) sets the text color to green.

• Text Alignment: setTextDatum(middle_center) centers the text alignment.

• Font and Size: Uses the Orbitron_Light_24 font and sets the text size to 1.

• Display Text: Displays "Buzzer Test" at the center of the screen.

• Refresh Display: Calls display() to update the display with the drawn content.

3. loop() Function

• 10000: This parameter usually represents the frequency of the tone in Hertz (Hz). A frequency of 10,000 Hz is a high-pitched sound, near the upper limit of human hearing.

• 100: This parameter typically represents the duration of the tone in milliseconds (ms). So, the tone will play for 100 milliseconds (0.1 seconds).

• Plays a 10,000 Hz high-frequency tone for 100 milliseconds.

• Delays for 1 second.

• Plays a 4,000 Hz lower-frequency tone for 20 milliseconds.

• Delays for another 1 second.

void loop() {
    // Play a 10,000 Hz tone for 100 milliseconds
    StickCP2.Speaker.tone(10000, 100);
    // Delay for 1 second
    delay(1000);
    // Play a 4,000 Hz tone for 20 milliseconds
    StickCP2.Speaker.tone(4000, 20);
    // Delay for 1 second
    delay(1000);
}

Project Expansion and Applications

1. Sound Feedback and Alarm Systems

• Notification Alerts: Play sounds to notify users of specific events.

• Alarm Systems: Emit high-frequency tones to alert users of abnormal conditions.

• Interactive Games: Create simple game sound effects using different frequencies and durations.

2. Information Display and Interaction

• Real-Time Data Display: Show real-time sensor data like temperature and humidity.

• User Interfaces: Create simple menus and buttons for user interaction through the display.

• Animations and Graphics: Display dynamic graphics or animations to enhance the visual appeal of projects.

3. Wearable Devices

• Health Monitoring: Combine sensors to monitor health data such as heart rate and steps, and display the information.

• Smart Bracelets: Implement information reminders and simple interactions using the display and speaker.

• Fitness Trackers: Record and display exercise data in real-time through the display.

Considerations and Optimization Suggestions

1. Confirm Object Names

• M5GFX: https://github.com/m5stack/M5GFX

• M5Unified: https://github.com/m5stack/M5Unified

• M5StickCPlus2: https://github.com/m5stack/M5StickCPlus2

2. Speaker Performance

• Frequency Range: Ensure that the frequencies you intend to play are within the speaker's supported range. Extremely high or low frequencies may cause sound distortion or may not be audible.

• Volume Control: If the library supports volume control, adjust the volume as needed to avoid sounds being too loud or too soft.

3. Display Refresh

4. Error Handling

5. Power Management

References

• M5StickC Plus2 Documentation

• Arduino Official Website

• M5Stack GitHub Repository

M5StickC Plus2 Project

M5StickC Bluetooth Speaker – OpenELAB

Mini Slot Machine Project with M5StickC Plus2

Mini Slot Machine Project with M5StickC Plus2 -2

Mini Slot Machine Project with M5StickC Plus2 -3

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