1. Úvod
This manual provides detailed instructions for the waveshare ESP32-S3 2.8inch Display Development Board. This board is a microcontroller development platform featuring a 2.4GHz WiFi and Bluetooth BLE 5 module, integrated Flash and PSRAM, and a 2.8-inch IPS LCD. It is designed for rapid development of Human-Machine Interface (HMI) and other ESP32-S3 applications.
Obrázok 1: Koniecview of the ESP32-S3 2.8inch Display Development Board and its core features.
2. Vlastnosti produktu
- Equipped with high-performance Xtensa 32-bit LX7 dual-core processor, operating up to 240MHz.
- Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with an onboard antenna.
- Vstavaná pamäť SRAM s kapacitou 512 KB a ROM s kapacitou 384 KB, so zabudovanou pamäťou Flash s kapacitou 16 MB a pamäťou PSRAM s kapacitou 8 MB.
- Features a 2.8-inch IPS LCD display with 240x320 resolution and 262K colors.
- Optional capacitive 5-point touch function controlled via I2C interface, with interrupt support.
- Adapts UART, I2C, and various GPIO interfaces, integrating a full-speed USB port.
- Includes an onboard speaker, QMI8658 6-axis sensor, RTC sensor, TF card slot, and battery recharge management module.
- Supports flexible clock and multiple power modes for low power consumption.
3. Onboard Components
The following diagram and list identify the key components on the ESP32-S3 2.8inch Display Development Board.
Figure 2: Labeled components of the ESP32-S3 2.8inch Display Development Board.
- ESP32-S3R8
- Dual-core processor, up to 240MHz operating frequency
- 16 MB Flash
- QST attitude sensor
- QMI8658 (6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer)
- Palubná keramická anténa
- 1.5A MP54F-WR
- GPIO expander chip
- Čip RTC
- PCF85063 RTC chip
- MP1603GTF-Z
- Power module, 2A current (MAX)
- Battery recharge manager
- Bzučiak
- Slot pre TF kartu
- On the back side of the PCB
- Tlačidlo BOOT
- tlačidlo RESET
- IPEX1 connector (Switching to use external antenna via resoldering the resistor)
- 2*12PIN 2.54mm pin header
- RTC battery header (for connecting rechargeable RTC battery)
- Konektor batérie MX1.25
- MX1.25 2PIN connector, for 3.7V Lithium battery, supports charging and discharging
- UART header
- Indikátor nabíjania
- Port USB Type-C
- Indikátor napájania
- I2C header (connecting with internal chip, only supports the I2C peripherals and cannot be mapped to other functions)
- Battery power supply control button
4. Technické špecifikácie
Below are the general and LCD-specific technical specifications for the development board.
Všeobecné špecifikácie:
| Parameter | Hodnota |
|---|---|
| Rozmery balenia | 3.35 x 2.83 x 0.67 palca |
| Hmotnosť položky | 1.76 uncí |
| Rýchlosť CPU | 240 MHz |
| Veľkosť nainštalovanej pamäte RAM | 512 kB |
| Kapacita pamäte | 24 MB (16MB Flash + 8MB PSRAM) |
LCD Parameters:
Figure 3: Detailed LCD parameters for the display panel.
| Parameter | Hodnota | Parameter | Hodnota |
|---|---|---|---|
| Panel displeja | IPS LCD | Veľkosť displeja | 2.8 palce |
| Rozlíšenie | 240 × 320 | Zobraziť farby | 262 tis |
| Komunikačné rozhranie | SPI + RGB | Driver IC | ST7701 |
| Dotknite sa | Supported (Touch Version Only) | Dotknite sa IC | GT911 (Touch Version Only) |
Rozmery obrysu:
Figure 4: Outline dimensions of the development board in millimeters.
5. Inštalačná príručka
Follow these steps to set up your ESP32-S3 2.8inch Display Development Board:
- Rozbaliť: Carefully remove the development board and included accessories from the packaging.
- Napájanie: Connect the board to a 5V power source using the USB Type-C port. Alternatively, connect a 3.7V Lithium battery to the MX1.25 2PIN connector for portable operation.
- Počiatočné zapnutie: Observe the power indicator LED to confirm the board is receiving power.
- Computer Connection (for development): Connect the USB Type-C port to your computer using a compatible USB cable. This will allow for programming and serial communication.
- Inštalácia ovládača: Ensure necessary USB-to-serial drivers are installed on your computer if the board is not recognized automatically.
6. Návod na obsluhu
The ESP32-S3 board is designed for various applications, from simple embedded systems to complex HMI projects.
Základná prevádzka:
- Zapnutie/vypnutie: Use the USB power or battery connection. The board powers on automatically when connected.
- Interakcia zobrazenia: If you have the touch version, interact with the display using finger gestures. For non-touch versions, display output is for visual feedback only.
- Programovanie: Upload firmware to the ESP32-S3 using a compatible IDE (e.g., Arduino IDE, ESP-IDF) via the USB Type-C port.
- Resetovacie tlačidlo: Press the RESET button to restart the ESP32-S3 microcontroller.
- Tlačidlo BOOT: Hold the BOOT button while pressing and releasing the RESET button to enter bootloader mode for firmware uploading.
Aplikačné scenáre:
Figure 5: Potential application scenarios for the development board.
- Human-machine Interface (HMI): Develop interactive user interfaces for various devices, leveraging the display and optional touch functionality.
- LVGL GUI Development: Utilize the LVGL graphics library for creating rich graphical user interfaces with low memory requirements.
- IoT Applications: Integrate with WiFi and Bluetooth for connected devices, data logging, and remote control.
- Sensor Data Visualization: Display data from onboard or external sensors (e.g., QMI8658 6-axis sensor) directly on the LCD.
7. Connectivity and Interfaces
The board offers a variety of interfaces for communication and expansion.
Figure 6: Pinout diagram for various peripheral interfaces.
- USB Type-C: Used for power supply, programming, and serial communication with a host computer.
- Piny GPIO: General Purpose Input/Output pins are available via the 2*12PIN header for connecting external sensors, actuators, and other modules. Refer to the pinout diagram for specific pin assignments.
- UART Header: Dedicated pins for Universal Asynchronous Receiver-Transmitter communication (RXD, TXD).
- I2C Header: Pins for Inter-Integrated Circuit communication (SDA, SCL), primarily for internal chip peripherals.
- WiFi a Bluetooth: Integrated 2.4GHz Wi-Fi and Bluetooth 5 (LE) for wireless connectivity. An onboard ceramic antenna is provided, with an option for an external antenna via the IPEX1 connector (requires resistor resoldering).
- Slot pre kartu TF: For external storage, allowing for data logging or storing display assets.
8. Vývojové prostredie
The ESP32-S3 board supports popular development environments for ease of programming.
Figure 7: Supported development environments.
- ESP-IDF: The Espressif IoT Development Framework is the official development framework for ESP32 series chips. It provides a comprehensive SDK and tools, supporting IDEs like Eclipse and VSCode.
- Rozhranie pre vývoj Arduina: A popular open-source electronic prototyping platform that offers a convenient and flexible environment for developing with ESP32 boards.
Refer to the waveshare product wiki or Espressif documentation for detailed guides on setting up these environments and programming the ESP32-S3.
9. Údržba
Proper maintenance ensures the longevity and reliable operation of your development board.
- Čistenie: Keep the board clean and free from dust and debris. Use a soft, dry brush or compressed air. Avoid liquid cleaners.
- Manipulácia: Handle the board by its edges to avoid touching components, especially the display surface. Static electricity can damage electronic components; use anti-static precautions when handling.
- Ukladací priestor: Dosku skladujte na suchom a chladnom mieste mimo dosahu priameho slnečného žiarenia a extrémnych teplôt. Pri dlhodobom skladovaní použite antistatické vrecká.
- Správa napájania: Always disconnect power before making physical changes to the board or connecting/disconnecting peripherals.
10. Riešenie problémov
If you encounter issues with your ESP32-S3 2.8inch Display Development Board, consider the following:
- Doska sa nezapína:
- Verify the USB cable is securely connected and functional.
- Ensure the power source (USB port or battery) is providing adequate power (5V for USB, 3.7V for battery).
- Check the power indicator LED on the board.
- Displej nefunguje:
- Confirm the display ribbon cable is properly seated and secured.
- Ensure your firmware includes the correct display initialization code and drivers.
- Check for any physical damage to the display or its connector.
- Chyby programovania:
- Verify that the correct board and port are selected in your IDE.
- Ensure USB-to-serial drivers are correctly installed.
- Try holding the BOOT button while pressing and releasing RESET to enter bootloader mode before uploading.
- Check for syntax errors or missing libraries in your code.
- Problémy s pripojením Wi-Fi/Bluetooth:
- Confirm the antenna is properly connected (if using external).
- Verify Wi-Fi credentials and network availability.
- Ensure your code correctly initializes and uses the Wi-Fi/Bluetooth modules.
11. Záruka a podpora
For warranty information, technical support, or further assistance, please refer to the official waveshare website or contact their customer service directly. Product documentation, examples, and community forums are often available on the manufacturer's support pages.