導入
This manual provides essential information for setting up, operating, and maintaining your Waveshare ESP32-S3 Development Board with a 1.28-inch Round Touch LCD. This compact MCU board integrates an Xtensa 32-bit LX7 dual-core processor, Wi-Fi, Bluetooth, a capacitive touch display, and a 6-axis IMU sensor, making it suitable for various embedded development projects.
パッケージ内容
以下にリストされているすべてのアイテムがパッケージに含まれていることを確認してください。
- ESP32-S3-Touch-LCD-1.28 Development Board x1
- SH1.0 12PIN Cable x1
Figure 1: Package Contents - ESP32-S3-Touch-LCD-1.28 board and SH1.0 12PIN cable.
特徴
The Waveshare ESP32-S3-Touch-LCD-1.28 is a high-performance MCU board designed for ease of development and integration. Key features include:
- プロセッサ: Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency.
- ワイヤレス接続： オンボードアンテナを備え、2.4GHz Wi-Fi (802.11 b/g/n) と Bluetooth 5 (LE) をサポートします。
- メモリ： Built-in 512KB SRAM and 384KB ROM, with onboard 2MB PSRAM and an external 16MB Flash memory.
- インタフェース： Type-C connector for modern connectivity and ease of use.
- 画面： Onboard 1.28-inch capacitive touch display with 240×240 resolution and 65K colors.
- センサー: Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for motion detection.
- パワー管理： Onboard 3.7V lithium battery recharge/discharge header.
- GPIO: 6 × GPIO pins available via SH1.0 connector.
- 電力効率: Supports flexible clock, module power supply independent setting, and other controls for low power consumption.
- USB Serial: Integrated USB serial port full-speed controller, with flexible GPIO pin configuration.
図2：以上view of ESP32-S3-Touch-LCD-1.28 key features.
What's On Board
This section identifies the main components on the ESP32-S3-Touch-LCD-1.28 board:
- ESP32-S3R2: The System-on-Chip (SoC) with Wi-Fi and Bluetooth, operating up to 240MHz, with onboard 2MB PSRAM.
- W25Q128JVSIQ: 16MB NOR-Flash memory.
- CH343P: USB to UART chip for serial communication.
- ME6217C33M5G: 800mA output, low dropout, high rejection rate.
- ET6096: High-efficiency Lithium battery recharge manager.
- QMI8658: 6-axis IMU, including a 3-axis gyroscope and a 3-axis accelerometer.
- MX1.25 battery header: MX1.25 2P connector for 3.7V Lithium battery, supporting charging and discharging.
- USB Type-Cコネクタ: Supports USB1.1 hosts and slave devices.
- リセットボタン： ボードをリセットします。
- BOOTボタン: Press before resetting to enter download mode.
Figure 3: Labeled components of the ESP32-S3-Touch-LCD-1.28 board.
ピンの定義
The board provides several General Purpose Input/Output (GPIO) pins and power connections via the SH1.0 connector. Understanding these pins is crucial for connecting external components.
Figure 4: Pin definitions for the ESP32-S3-Touch-LCD-1.28 board.
- GND： アース接続。
- VSYS: System power supply.
- リセット： System reset pin.
- ブート： ブート モード選択ピン。
- 3V3: 3.3V電源出力。
- GPIO 15, 16, 17, 18, 21, 33: General Purpose Input/Output pins for connecting peripherals.
設定
Follow these steps to set up your ESP32-S3 Development Board:
- コンピュータに接続します: Use a USB Type-C cable to connect the board to your computer. The board will draw power from the USB connection.
- ドライバーのインストール: Your operating system may automatically install necessary drivers. If not, you may need to install the CH343P USB-to-UART bridge driver. Refer to the Waveshare product wiki for specific driver download links.
- 開発環境: Install a suitable development environment such as Arduino IDE with ESP32 board support or ESP-IDF.
- 最初のプログラム: Load a simple example program (e.g., a 'Hello World' or a display test) to verify the board's functionality.
- Battery Connection (Optional): If using a 3.7V Lithium battery, connect it to the MX1.25 battery header. Ensure correct polarity.
操作手順
Once set up, you can begin interacting with your ESP32-S3 board:
- 電源オン: The board powers on automatically when connected via USB or a battery.
- ディスプレイインタラクション: The 1.28-inch round capacitive touch display allows for direct user input. Develop your application to respond to touch gestures.
- プログラミング： Upload your code using the chosen development environment. Ensure the correct COM port and board settings are selected.
- Wi-Fi/Bluetooth: Utilize the integrated Wi-Fi and Bluetooth capabilities for network communication or connecting to other devices.
- IMUセンサー: Access data from the QMI8658 6-axis IMU (accelerometer and gyroscope) for motion-sensing applications.
Figure 5: Demonstrating touch interaction with the display.
メンテナンス
Proper care ensures the longevity and reliable operation of your development board:
- クリーニング： Use a soft, dry cloth to clean the board and display. Avoid liquid cleaners or abrasive materials.
- ストレージ： Store the board in a dry, anti-static environment when not in use. Avoid extreme temperatures and humidity.
- 取り扱い： Handle the board by its edges to avoid touching sensitive components. Static electricity can damage electronic components.
- ファームウェアの更新： Regularly check the Waveshare official website or product wiki for firmware updates or new library versions to ensure optimal performance and access to new features.
トラブルシューティング
問題が発生した場合は、次のトラブルシューティング手順を検討してください。
- ボードが検出されません:
- Ensure the USB Type-C cable is securely connected to both the board and your computer.
- Verify that the CH343P USB-to-UART driver is correctly installed.
- 別の USB ポートまたはケーブルを試してください。
- Program Upload Fails:
- Check if the correct COM port is selected in your IDE.
- Ensure the correct board type (ESP32-S3) is selected.
- Press and hold the BOOT button, then press and release the RESET button, then release the BOOT button to enter download mode before uploading.
- ディスプレイが動作しない:
- Verify that your code initializes the display correctly.
- Check for any loose connections if external display components were used (not applicable for the integrated display).
- Wi-Fi/Bluetooth 接続の問題:
- Ensure your code correctly configures Wi-Fi or Bluetooth parameters (SSID, password, etc.).
- 他の 2.4GHz デバイスからの干渉がないか確認してください。
仕様
| 特徴 | 詳細 |
|---|---|
| プロセッサ | Xtensa 32ビットLX7デュアルコア、最大240MHz |
| RAMメモリインストールサイズ | 512KBのSRAM |
| プレスラム | 2MB オンボード |
| フラッシュメモリ | 16 MB external |
| Wi-Fi | 2.4GHz (802.11 b/g/n) |
| ブルートゥース | Bluetooth 5 (LE) |
| 画面 | 1.28-inch Round Capacitive Touch LCD, 240×240 resolution, 65K color |
| IMUセンサー | QMI8658 6-axis (3-axis accelerometer + 3-axis gyroscope) |
| USBインターフェース | Type-C, USB1.1 host/slave |
| バッテリーコネクタ | MX1.25 2P for 3.7V Lithium battery |
| GPIOピン | 6 × via SH1.0 connector |
| オペレーティング システムのサポート | FreeRTOS、Linux |
外形寸法
The physical dimensions of the ESP32-S3-Touch-LCD-1.28 board are provided below for integration into projects or enclosures.
Figure 6: Outline dimensions of the ESP32-S3-Touch-LCD-1.28 board (Unit: mm).
保証とサポート
Waveshare products are designed for reliability and performance. For specific warranty information, please refer to the official Waveshare website or the documentation provided with your purchase. For technical support, resources, and community forums, visit the Waveshare product wiki or contact their customer service directly. Always ensure you are using the latest drivers and software libraries for optimal performance.