M5Stack M5StickC PLUS2 User Manual

Product Overview

The M5StickC PLUS2 is an advanced mini IoT development kit, serving as an iterative version of the M5StickC PLUS. It is powered by the ESP32-PICO-V3-02 chip, providing integrated WiFi capabilities. This compact device is designed to offer extensive hardware resources, including infrared (IR), Real-Time Clock (RTC), microphone, LED, Inertial Measurement Unit (IMU), multiple buttons, and a buzzer. It features a 1.14-inch TFT screen with a resolution of 135x240 pixels, controlled by the ST7789V2 driver. The device includes a 200mAh battery and supports connectivity with M5Stack's HAT and Unit series products, making it a versatile tool for various development projects.

Key features include:

• Upgraded version of the M5StickC Plus
• CPU: ESP32-PICO-V3-02-Base
• 1.14 inch, 135*240 Colorful TFT LCD, ST7789v2
• Built-in 200mAh Lithium Polymer Battery
• Wearable & Wall mounted design
• Built-in 6-Axis IMU, Green LED, IR transmitter, Microphone, 3x Custom Buttons, & Buzzer
• Designed to support the HAT and Unit family of products
• 1 x USB Type-C Port for power and programming
• 1 x GROVE (I2C+I/0+UART) Port for expansion

Figure 1: Front view of the M5StickC PLUS2, showcasing its compact design and integrated display.

Setup and First Use

Before using your M5StickC PLUS2, it is recommended to fully charge the device. The unit comes with a built-in 200mAh Lithium Polymer battery.

Charging and Power On/Off

• Charging: Connect the M5StickC PLUS2 to a power source using the provided USB Type-C cable. The device will begin charging automatically.
• Power On: Press and hold the power button (Button C, typically located on the side) for approximately 2 seconds until the screen illuminates.
• Power Off: Press and hold the power button (Button C) for approximately 6 seconds. The device will power down.

Connecting to a Computer

The M5StickC PLUS2 connects to your computer via its USB Type-C port. This connection is used for both power and programming. To ensure proper communication and firmware flashing, you may need to install the appropriate USB drivers for the ESP32-PICO-V3-02 chip. Refer to the official M5Stack documentation or community resources for driver installation guides specific to your operating system.

Figure 2: Bottom view of the M5StickC PLUS2, highlighting the USB Type-C port for charging and data transfer, and the GROVE port for external modules.

Operating the Device

The M5StickC PLUS2 offers a range of functionalities through its integrated components and expansion capabilities.

User Interface and Buttons

The device features a 1.14-inch color TFT LCD display for visual feedback and three programmable buttons (Button A, Button B, and Button C/Power Switch) for user interaction.

Figure 3: Detailed diagram illustrating the various components and pinouts of the M5StickC PLUS2, including button locations (A, B, C), display, and internal modules.

Figure 4: The M5StickC PLUS2 display demonstrating a graphical output, such as a 3D cube, highlighting the screen's capabilities.

Integrated Modules

• Display: The 1.14-inch TFT screen (ST7789V2) can be programmed to display text, graphics, and sensor data.
• IMU (MPU6886): The 6-axis Inertial Measurement Unit provides data on acceleration and angular velocity, useful for motion sensing applications.
• Microphone (SPM1423-PDM): Enables audio input for sound detection or voice control projects.
• IR Transmitter: Allows the device to send infrared signals, potentially for controlling IR-enabled appliances.
• Buzzer: Provides audible feedback for alerts or simple sound generation.
• RTC (BM8563): Real-Time Clock for accurate timekeeping, even when the device is powered off.
• LED: A green LED for visual indicators.

Expansion Ports

• GROVE Port: This port supports I2C, I/O, and UART communication protocols, allowing connection to a wide range of M5Stack Unit series modules.
• HAT Compatibility: The M5StickC PLUS2 is designed to be compatible with M5Stack HAT series products, expanding its functionality through stackable modules.
• External 8-Pin (2.54mm) Header: Provides access to additional GPIO pins (G25/G36) for custom wiring and prototyping.

Figure 5: Top view of the M5StickC PLUS2, illustrating the external 8-pin header for advanced connectivity and prototyping.

Maintenance

Proper maintenance ensures the longevity and optimal performance of your M5StickC PLUS2.

• Cleaning: Use a soft, dry cloth to clean the device. Avoid using liquid cleaners or solvents, which can damage the electronics or screen.
• Battery Care: To maximize battery life, avoid fully discharging the 200mAh Lithium Polymer battery frequently. If storing the device for an extended period, charge it to approximately 50% and store in a cool, dry place.
• Storage: Store the M5StickC PLUS2 in a dry environment, away from extreme temperatures, direct sunlight, and high humidity.
• Handling: Handle the device with care to prevent physical damage to the screen, ports, or internal components.

Troubleshooting

This section addresses common issues you might encounter with your M5StickC PLUS2.

• Device Not Powering On:
  • Ensure the battery is charged. Connect the device to a USB power source and allow it to charge for at least 30 minutes.
  • Verify you are pressing the power button (Button C) for the correct duration (approx. 2 seconds to power on).
• Difficulty Connecting to Computer / Firmware Upload Issues:
  • Ensure you are using a high-quality USB Type-C data cable. Some cables are for charging only.
  • Install the necessary USB drivers for the ESP32 chip on your computer. These drivers are crucial for the computer to recognize the device. Search for "ESP32 USB driver" or "CP210x driver" (common for ESP32) online.
  • Try a different USB port on your computer.
  • Restart your computer and the M5StickC PLUS2.
  • Verify your development environment (e.g., Arduino IDE, PlatformIO) is correctly configured for the ESP32-PICO-V3-02 board.
• Short Battery Life:
  • The 200mAh battery is compact. Power-intensive operations (e.g., continuous WiFi usage, display always on, complex computations) will drain the battery quickly.
  • Optimize your code for power efficiency, utilizing deep sleep modes when the device is idle.
  • Reduce screen brightness or turn off the display when not needed.
• Screen Not Displaying Correctly:
  • Ensure your code is correctly initializing and driving the ST7789V2 display.
  • Check for physical damage to the screen.

Specifications

Detailed technical specifications for the M5StickC PLUS2.

Figure 6: Back view of the M5StickC PLUS2, showing the product label with key specifications and certifications.

Warranty and Support

For specific warranty information regarding your M5Stack M5StickC PLUS2, please refer to the documentation provided with your purchase or visit the official M5Stack website. Warranty terms and conditions may vary by region and retailer.

For technical support, additional resources, and community forums, please visit the official M5Stack support channels. You can often find detailed tutorials, code examples, and troubleshooting guides on their website.

Manufacturer: M5Stack

Official M5Stack Store on Amazon: Visit the M5Stack Store