waveshare ESP32-S3 3.5inch Touch Scrren

waveshare ESP32-S3 3.5-inch Capacitive Touch Display Development Board User Manual

1. Кіріспе

This manual provides essential information for setting up, operating, and maintaining your waveshare ESP32-S3 3.5-inch Capacitive Touch Display Development Board. Please read these instructions carefully to ensure proper use and to maximize the functionality of your device.

The ESP32-S3-Touch-LCD-3.5 is a versatile development board featuring an ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, a 3.5-inch 320x480 pixel IPS capacitive touch display, and integrated Wi-Fi and Bluetooth 5 (LE) connectivity. It is designed for various smart device development applications, including human-machine interaction, data recording, and media playback.

2. Негізгі мүмкіндіктер

  • Процессор: Equipped with ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency.
  • Сымсыз байланыс: Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with an onboard antenna.
  • Жад: Built-in 512KB SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory.
  • Көрсеткіш: 3.5-inch capacitive touch display with 320 × 480 resolution and 262K colors. Features an IPS panel for wide viewбұрыштар.
  • Display & Touch Drivers: Built-in ST7796 display driver (SPI communication) and FT6336 capacitive touch chip (I2C communication).
  • Сенсорлар: Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for motion detection.
  • Нақты уақыттағы сағат (RTC): Onboard PCF85063 RTC chip, powered by main Lithium battery via AXP2101, with a reserved RTC battery header for backup.
  • Энергияны басқару: Adopts AXP2101 IC for efficient power management, supporting multiple voltage outputs, battery charging, and optimization.
  • Қосылу мүмкіндігі: Type-C connector, I2C, UART, USB, and multiple GPIO pins for peripherals and debugging.
  • Сақтау орны: Onboard TF card slot for extended storage and data transfer.
  • Камера интерфейсі: Compatible with mainstream cameras such as OV2640 and OV5640.
  • Аудио: Integrated audio input and output, enabling AI interaction and offline voice control.
  • Бағдарламаланатын түймелер: Onboard PWR and BOOT buttons for custom function development.
waveshare ESP32-S3 3.5-inch Development Board Overview

2.1 -сурет: Аяқталдыview of the waveshare ESP32-S3 3.5-inch Capacitive Touch Display Development Board, highlighting its integrated audio, Wi-Fi, and BLE 5 capabilities.

Wi-Fi and BLE 5 Support

Figure 2.2: The development board supports 2.4GHz Wi-Fi (802.11 Ax/B/G/N) and Bluetooth 5 (LE) for robust wireless communication.

IPS Display Panel Features

Figure 2.3: The IPS display panel offers excellent display performance with 262K colors and a wide viewбұрышы 178 градус.

3. Орнату нұсқаулары

3.1 Қуат қосылымы

  1. Connect the development board to a power source using the Type-C USB connector. This port also facilitates data communication and programming.
  2. If using a Lithium battery, connect it to the onboard 3.7V MX1.25 Lithium battery recharge/discharge header. The AXP2101 IC manages battery charging and power.
  3. For RTC backup, a dedicated RTC battery header is available for connecting a backup battery.

3.2 Бағдарламалық қамтамасыз ету ортасы

The ESP32-S3-Touch-LCD-3.5 supports popular development environments:

  • ESP-IDF: Espressif IoT Development Framework, a comprehensive SDK for ESP32 series.
  • Arduino IDE: An open-source electronic prototyping platform, convenient for beginners and experienced developers.

Refer to the official waveshare development resources for detailed guides on setting up these environments and getting started with programming examples.

ESP-IDF and Arduino IDE Support

Figure 3.1: The board supports both ESP-IDF and Arduino IDE, offering comprehensive SDKs and tutorials for easy development.

4. Пайдалану нұсқаулары

4.1 Негізгі операция

  • Қуатты қосу/өшіру: Connect the Type-C USB cable to power the board. The PWR button can be programmed for specific power control functions.
  • Capacitive Touch Display: Interact with the 3.5-inch display using touch gestures. The FT6336 chip handles touch input.
  • Бағдарламаланатын түймелер: The PWR and BOOT buttons can be configured for various functions within your application. The BOOT button is typically used for entering download mode during firmware flashing.
Capacitive Touch Functionality

Figure 4.1: The capacitive touch display allows for intuitive human-machine interaction, suitable for various smart device applications.

4.2 Advanced Functionality

  • AI Interaction & Voice Control: Utilize the integrated audio input and output for AI speech interaction and offline voice control applications.
  • Камераны біріктіру: Connect compatible cameras (e.g., OV2640, OV5640) to the onboard camera interface for image capture and video monitoring.
  • Сыртқы перифериялық құрылғылар: Use the I2C, UART, USB, and GPIO pins to connect and control various external sensors, actuators, and modules.
  • Деректерді сақтау: Insert a TF card into the dedicated slot for extended storage, data logging, and media playback.

5. PIN анықтамасы

The development board provides a comprehensive set of GPIO pins and interfaces. Refer to the diagram below for the pinout and their functions.

ESP32-S3 Pin Definition Diagram

Figure 5.1: Detailed pin definition diagram for the ESP32-S3-Touch-LCD-3.5 board, showing power, ground, GPIO, UART, I2C, KEY, and USB pins.

For specific pin assignments and their alternative functions, consult the official ESP32-S3 datasheet and waveshare development resources.

6. Onboard Components

The board integrates various components to enhance its functionality. The following diagram illustrates the layout and identification of these components.

Onboard Components Diagram

Figure 6.1: Diagram showing the various onboard components of the ESP32-S3-Touch-LCD-3.5, with numbered labels for identification.

  1. ESP32-S3R8: The SoC with Wi-Fi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM.
  2. Onboard antenna.
  3. W25Q128JVSJQ: 16MB NOR-Flash.
  4. Camera interface: Supports mainstream cameras such as OV5640 / OV2640.
  5. TF картасының ұясы.
  6. IPEX 1 antenna connector: Reserved connector, enabled via resoldering an onboard resistor.
  7. MX1.25 speaker header.
  8. RESET түймесі.
  9. PWR түймесі.
  10. AXP2101: Highly integrated power management IC.
  11. Зарядтау көрсеткіші.
  12. USB Type-C порты.
  13. ES8311: Low power audio codec chip.
  14. Қуат көзінің индикаторы.
  15. Микрофон.
  16. SM1.0 RTC battery header: For connecting rechargeable RTC battery.
  17. MX1.25 Lithium battery header: MX1.25 2P connector, for 3.7V Lithium battery, supports charging and discharging.
  18. 2.54mm pitch GPIO header: Adapting available IO function pins for easy expansion.
  19. PCF85063: RTC chip.
  20. QMI8658: 6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer.

7. Camera Support

The ESP32-S3-Touch-LCD-3.5 development board includes a camera interface compatible with mainstream camera modules such as OV2640 and OV5640. This allows for integration into applications requiring image capture, video monitoring, and other vision-based functionalities.

Камера модулінің қосылымы

Figure 7.1: The board's camera interface supports modules like the OV5640 5MP camera, suitable for image capture and video monitoring applications.

Note: The OV5640 5MP camera module is typically included only in the ESP32-S3-Touch-LCD-3.5-C version. Please check your product package for included accessories.

8. Контур өлшемдері

The physical dimensions of the ESP32-S3-Touch-LCD-3.5 board are provided below for integration into custom enclosures or projects.

Outline Dimensions Diagram

Figure 8.1: Detailed outline dimensions of the ESP32-S3-Touch-LCD-3.5 development board in millimeters.

9. Техникалық сипаттамалар

ЕрекшелікМәлімет
ПроцессорESP32-S3R8 Xtensa 32-bit LX7 dual-core, up to 240MHz
Сымсыз қосылым2.4 ГГц Wi-Fi (802.11 б/г/н), Bluetooth 5 (LE)
Ішкі жад512KB SRAM, 384KB ROM, 8MB PSRAM
Сыртқы жарқыл16 МБ флэш жады
Дисплей өлшемі3.5 дюйм
Дисплей ажыратымдылығы320 × 480 пиксел
Дисплей түріIPS, 262K color
Түрді түртіңізСыйымдылық
IMUQMI8658 6-axis (3-axis accelerometer, 3-axis gyroscope)
RTC ChipPCF85063
Қуатты басқару ICAXP2101
USB қосқышыC түрі
Сақтауды кеңейтуTF картасы ұясы
Камера интерфейсіCompatible with OV2640, OV5640
Пакет өлшемдері4 x 3 x 0.5 дюйм
Элемент салмағы2.46 унция
Элемент үлгі нөміріESP32-S3 3.5inch Touch Scrren
Бірінші қол жетімді күн18 жылдың 2025 мамыры

10. Техникалық қызмет көрсету

  • Тазалау: Use a soft, dry cloth to clean the display and board. Avoid using harsh chemicals or abrasive materials.
  • Өңдеу: Handle the board by its edges to avoid touching sensitive components. Static electricity can damage electronic components, so use anti-static precautions if possible.
  • Сақтау орны: Тақтаны құрғақ, салқын жерде, тікелей күн сәулесінен және жоғары температурадан алыс сақтаңыз.
  • Батареяға күтім жасау: If using a Lithium battery, follow standard battery safety guidelines. Avoid overcharging or deep discharging.

11. Ақаулықтарды жою

  • Тақта қосылмайды: Ensure the Type-C USB cable is securely connected to a working power source. If using a battery, check its charge level and connection.
  • Дисплей жұмыс істемейді: Verify power supply. Check for any loose connections to the display. Ensure your software is correctly initializing the ST7796 display driver.
  • Touch Not Responding: Confirm that the FT6336 touch chip is correctly initialized in your software and that the I2C communication is functioning.
  • Wi-Fi/Bluetooth мәселелері: Check antenna connection. Ensure your software configuration for Wi-Fi or Bluetooth is correct, including SSID, password, and mode.
  • Бағдарламалау қателері: Double-check your code for syntax errors and logical flaws. Ensure the correct board and port are selected in your IDE. Try using the BOOT button to enter download mode if flashing fails.

For more detailed troubleshooting steps and common issues, refer to the waveshare development resources and community forums.

12. Қолдау

waveshare provides comprehensive development resources, including documentation, code examples, and tutorials, to assist you with your projects. If you encounter any problems or require further assistance, please contact waveshare customer support.

You can find additional information and resources on the official waveshare webсайты немесе олардың Amazon дүкені беті арқылы: Visit the waveshare Store

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