waveshare ESP32-S3 1.85-inch Round Touch Display Development Board User Manual

1. Introducció

The waveshare ESP32-S3 1.85-inch Round Touch Display Development Board is a versatile microcontroller development board featuring 2.4GHz WiFi and Bluetooth BLE 5 support. It integrates high-capacity Flash and PSRAM, along with a 1.85-inch LCD display capable of running GUI programs like LVGL. This board is designed for rapid development of Human-Machine Interface (HMI) and other ESP32-S3 applications, offering various peripheral interfaces and an optional capacitive touch function.

2. Característiques clau

• Equipped with a high-performance Xtensa 32-bit LX7 dual-core processor, operating up to 240MHz.
• Admet Wi-Fi de 2.4 GHz (802.11 b/g/n) i Bluetooth 5 (LE) amb una antena integrada.
• Built-in 512KB SRAM and 384KB ROM, with onboard 16MB Flash and 8MB PSRAM.
• Features a 1.85-inch IPS LCD display with 360×360 resolution and 262K colors.
• Optional capacitive touch function controlled via I2C interface, with interrupt support for flexible operation.
• Adapts UART, I2C, and various GPIO interfaces for peripheral expansion.
• Includes an onboard audio decoder, Microphone, QMI8658 6-axis sensor, RTC sensor, TF card slot, and battery recharge management module.
• Supports accurate control for flexible clock and multiple power modes to achieve low power consumption.

Figura 2.1: Acabatview of the ESP32-S3 1.85-inch LCD Development Board's main features, including LX7 Dual-core Processor, 2.4 GHz Wi-Fi, BLE 5, Onboard Antenna, 1.85-inch Round Display, 360x360 Resolution, 262K Color, Audio Output, MIC Audio Recognition, PCF85063 RTC Chip, QMI8658 6-Axis IMU, 16MB Flash, TF Card Slot, Lithium Battery Header, and Multiple Interfaces.

3. Producte acabatview: What's On Board

This section details the components and interfaces available on the ESP32-S3 1.85-inch Round Touch Display Development Board.

Figura 3.1: Labeled diagram of the ESP32-S3 1.85-inch LCD Development Board components.

1. ESP32-S3R8: Processador de doble nucli, amb una freqüència de funcionament de fins a 240 MHz.
2. Memòria flaix de 16 MB: For program storage.
3. QMI8658 6-axis sensor: Includes a 3-axis gyroscope and a 3-axis accelerometer.
4. TCA9554PWR: GPIO expander chip.
5. PCM5101 audio decoder.
6. Amplifier chip.
7. Battery recharge management.
8. ME6217C33MG5G: Low dropout regulator, 800mA output (Max.).
9. PCF85063 RTC chip.
10. Onboard ceramic antenna.
11. Connector IPEX1: For switching to external antenna via resoldering an onboard resistor.
12. Ranura per a targetes TF.
13. Capçalera de l'altaveu: Connects with 8Ω 2W 2030 speaker.
14. Botó d'ajust de volum.
15. Micròfon.
16. UART header: Only available when UART Type-C port is not connected.
17. Indicador de potència.
18. Port USB tipus C.
19. RTC battery header: For connecting rechargeable RTC battery.
20. Indicador de càrrega: Lithium battery charge indicator. Lights up when charging, off when fully charged (the light status is uncertain when the battery is not connected).
21. I2C header: Connecting with internal chip, only supports the I2C peripherals and cannot be mapped to other functions.
22. Botó de reset.
23. Botó BOOT.
24. MX1.25 battery header: Connector MX1.25 de 2 pins, per a bateria de liti de 3.7 V, que admet la càrrega i la descàrrega.
25. Battery power supply control button.

4. Instruccions de configuració

To begin using your ESP32-S3 development board, follow these general setup guidelines:

4.1. Connexió inicial

1. Connect the development board to your computer using a USB Type-C cable via the onboard USB Type-C port (18).
2. Ensure your computer recognizes the device. You may need to install appropriate USB drivers for the ESP32-S3 if not automatically detected.
3. The power indicator (17) should illuminate, indicating the board is receiving power.

4.2. Peripheral Expansion

The board supports the expansion of multiple peripherals via GPIO and I2C interfaces. Refer to the pinout diagram for specific connections.

Figura 4.1: Diagram illustrating peripheral connection points on the ESP32-S3 development board, including GND, 3V3, SDA (GPIO11), SCL (GPIO10), RXD (GPIO44), and TXD (GPIO43).

• Interfície I2C: Use the I2C header (21) for connecting I2C-compatible sensors or modules. Note that this header is primarily for internal chip communication and may not support mapping to other functions.
• Interfície UART: The UART header (16) is available for serial communication, provided the USB Type-C port is not actively used for UART.
• Àudio: Connect the provided 8Ω 2W speaker to the speaker header (13) for audio output.
• Targeta TF: Insert a TF card into the TF card slot (12) for additional storage.
• Bateria: Connect a 3.7V Lithium battery to the MX1.25 battery header (24) for portable operation. Ensure the battery power supply control button (25) is in the correct position.

4.3. Entorn de desenvolupament

To program the board, you will need to set up a suitable development environment. This typically involves:

• Installing the ESP-IDF (Espressif IoT Development Framework) or Arduino IDE with ESP32-S3 board support.
• Referencing the official waveshare documentation and examples for specific programming instructions and library usage.

5. Instruccions de funcionament

The ESP32-S3 development board is designed for various applications, particularly those requiring a compact display and touch interface.

5.1. Escenaris d'aplicació

The board's capabilities make it suitable for diverse projects:

Figura 5.1: Examples of application scenarios for the ESP32-S3 development board, including image and audio outputs, multiple inputs, and human-machine interface.

• Image and Audio Outputs: Utilize the display and audio capabilities for information output, such as displaying graphics, data, or playing sound.
• Múltiples entrades: Integrate touch, button, and voice recognition for interactive control of equipment.
• Interfície home-màquina (HMI): Develop intuitive user interfaces for various devices, transforming internal system information into a user-friendly format.

5.2. Capacitive Touch Function

For models equipped with the capacitive touch function, interaction is intuitive and responsive.

Figura 5.2: Illustration of the capacitive touch functionality on the ESP32-S3 1.85-inch Round Touch Display. This feature is optional and available on the ESP32-S3-Touch-LCD-1.85 version.

• The touch function is controlled via the I2C interface and supports interrupt-driven events.
• This allows for flexible operation and smooth user interface interactions.
• Nota: This function is only available on the ESP32-S3-Touch-LCD-1.85 version of the board.

5.3. LVGL GUI Development

The board is well-suited for developing graphical user interfaces using LVGL, a free and open-source graphics library.

• LVGL provides tools for creating embedded GUIs with visual effects and low memory requirements.
• Refer to the official LVGL documentation and waveshare examples for guidance on integrating LVGL with the ESP32-S3.

6. Especificacions tècniques

7. Manteniment

Proper care and maintenance will ensure the longevity and optimal performance of your development board.

• Manipulació: Manegeu sempre la placa per les vores per evitar tocar els components sensibles, que poden patir danys per l'electricitat estàtica o els olis de la pell.
• Neteja: Use a soft, dry brush or compressed air to remove dust from the board. For stubborn dirt, a lint-free cloth lightly dampened with isopropyl alcohol can be used, ensuring the board is powered off and completely dry before re-powering.
• Emmagatzematge: Store the board in an anti-static bag when not in use, in a cool, dry environment away from direct sunlight and extreme temperatures.
• Font d'alimentació: Use only recommended power sources (e.g., USB Type-C or 3.7V Lithium battery) to prevent damage.
• Actualitzacions de firmware: Regularly check the waveshare official website or community forums for firmware updates that may improve performance or add new features.

8. Solució De Problemes

If you encounter issues with your ESP32-S3 development board, consider the following troubleshooting steps:

• La placa no s'encén:
  • Ensure the USB Type-C cable is securely connected to both the board and your computer/power adapter.
  • Verifiqueu que la font d'alimentació funciona correctament.
  • If using a battery, ensure it is charged and properly connected to the MX1.25 header, and the battery power supply control button (25) is engaged.
• Computer Not Recognizing Board:
  • Try a different USB Type-C cable and port on your computer.
  • Install or update the necessary USB-to-serial drivers (e.g., CP210x or CH340 drivers, depending on the onboard chip).
  • Reinicieu l'ordinador.
• Code Not Compiling/Uploading:
  • Ensure your development environment (ESP-IDF, Arduino IDE) is correctly configured for the ESP32-S3 board.
  • Check that all required libraries are installed and up to date.
  • Verify the correct COM port is selected in your IDE.
  • Press and hold the BOOT button (23) while pressing and releasing the RESET button (22) to enter bootloader mode for flashing, then release BOOT.
• Problemes de visualització:
  • Confirm that the display initialization code in your program is correct.
  • Check for any loose connections if the display is not integrated directly.
• Capacitive Touch Not Responding:
  • Ensure your board version supports capacitive touch (ESP32-S3-Touch-LCD-1.85).
  • Verify the I2C communication and touch controller initialization in your code.
• Lack of Documentation: While this manual provides an overview, for in-depth programming and specific examples, it is recommended to consult the official waveshare product page, their Wiki, and community forums.

9. Cotes del contorn

The physical dimensions of the ESP32-S3 1.85-inch Round Touch Display Development Board are provided below for integration and enclosure design purposes.

Figura 9.1: Detailed outline dimensions of the ESP32-S3 1.85-inch Round Touch Display Development Board, with measurements in millimeters (mm).

10. Garantia i Suport

For warranty information, technical support, and additional resources, please refer to the official waveshare website or contact their customer service directly. Detailed documentation, example code, and community forums are often available to assist with development and troubleshooting.

Fabricant: Waveshare

Contacte: Si us plau, visiteu el waveshare Store on Amazon o el seu oficial weblloc de suport.