Waveshare ESP32-S3 7-inch Capacitive Touch LCD Development Board User Manual

1. Bubuka

The Waveshare ESP32-S3 7-inch Capacitive Touch LCD Development Board is a versatile microcontroller development platform. It integrates an Xtensa 32-bit LX7 dual-core processor, supporting 2.4GHz Wi-Fi and Bluetooth 5 (LE). This board features an 800x480 resolution, 65K color capacitive touch display, making it suitable for Human-Machine Interface (HMI) and various ESP32-S3 applications. It includes onboard 8MB PSRAM and 8MB Flash memory, along with multiple peripheral interfaces for expanded functionality.

Figure 1.1: Waveshare ESP32-S3 7-inch Capacitive Touch LCD Development Board.

2. Eusi Paket

Pastikeun yén sadaya item anu didaptarkeun di handap kalebet kana pakét anjeun:

• ESP32-S3-Touch-LCD-7 Development Board x1
• HY2.0 2P to 2PIN male cable 10cm x2
• HY2.0 2P to 3PIN male cable 10cm x1
• HY2.0 2P to 4PIN male cable 10cm x2

Gambar 2.1: Eusi Paket.

3. Fitur konci

• Prosesor: Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency.
• Konéktipitas nirkabel: Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna.
• Mémori: Built-in 512KB SRAM and 384KB ROM, with onboard 8MB PSRAM and 8MB Flash.
• tampilan: 7-inch capacitive touch display with 800x480 resolution and 65K colors.
• Kontrol Toél: 5-point capacitive touch control via I2C interface with interrupt support.
• Antarbeungeut periferal: CAN onboard, RS485, antarmuka I2C, slot kartu TF, sareng port USB kecepatan pinuh.
• Manajemén kakuatan: Supports flexible clock and module power supply independent setting for low power consumption.

Gambar 3.1: Leuwihview of Board Features.

4. Spésifikasi Téknis

Figure 4.1: Outline Dimensions of the Display.

Figure 4.2: Outline Dimensions of the Development Board.

5. Onboard Components and Interfaces

The board is designed with various components and interfaces to facilitate development. Refer to the diagram below for component identification:

Figure 5.1: Onboard Components and Interfaces.

1. ESP32-S3N8R8: The System-on-Chip (SoC) with Wi-Fi and Bluetooth, up to 240MHz operating frequency, integrated 8MB PSRAM and Flash.
2. 7-inch display panel connector: Connects to the main display.
3. Touch panel connector: Connects to the touch overlay of the display.
4. slot kartu TF: For external storage via a MicroSD card.
5. Port USB Tipe-C: For power supply and data communication.
6. UART1 Port: Universal Asynchronous Receiver/Transmitter port 1.
7. UART2 connector: Universal Asynchronous Receiver/Transmitter port 2. UART1 and UART2 share the same UART, selected by a switch.
8. Sensor header: For connecting various sensors.
9. CAN header: Controller Area Network interface.
10. I2C header: Inter-Integrated Circuit interface.
11. RS485 header: Recommended Standard 485 interface.
12. 3.7V single lithium battery PH2.0 header: For connecting a 3.7V lithium battery.
13. CAN terminal resistor selection: Jumper for enabling/disabling CAN bus termination resistor.
14. RS485 terminal resistor selection: Jumper for enabling/disabling RS485 bus termination resistor.
15. UART selection: Switch to select between UART1 or UART2.
16. Tombol BOOT: Press and hold while powering on for program burning.
17. Tombol RESET: Resets the ESP32-S3 module.
18. I2C level selection: Jumper for selecting 3.3V / 5V I2C logic levels.
19. Réngsé: Lithium battery charging completed indicator.
20. CHG: Lithium battery charging indicator.
21. PWR: Indikator catu daya.

6. Setup Awal

To begin using your Waveshare ESP32-S3 7-inch Capacitive Touch LCD Development Board, follow these general steps:

1. Connect the Display: Ensure the 7-inch display panel and touch panel connectors are securely attached to their respective headers on the main board.
2. Sasayogian tanaga: Connect the board to a power source using the USB Type-C port. Alternatively, a 3.7V lithium battery can be connected to the PH2.0 header.
3. Pamasangan supir: Depending on your operating system, you may need to install a USB-to-UART driver for the serial communication chip (e.g., CH340/CP210x). Refer to the Waveshare product wiki for specific driver information.
4. Setelan Lingkungan Pangwangunan: Install your preferred Integrated Development Environment (IDE), such as Arduino IDE or Visual Studio Code with the ESP-IDF extension.
5. Obtain SampKodeu: Download the official Waveshare demo code and libraries from their product wiki. These resources provide a starting point for understanding the board's functionalities.
6. Unggah firmware: Connect the board to your computer via the USB Type-C cable. Follow the instructions provided in the Waveshare documentation or your chosen IDE to compile and upload firmware to the ESP32-S3 module.

7. Parentah Operasi

The ESP32-S3-Touch-LCD-7 board is designed for various applications, particularly those requiring a graphical user interface. Here are general operating guidelines:

7.1 Human-Machine Interface (HMI) Development

This board is ideal for creating interactive HMI applications. The 7-inch capacitive touch screen allows for intuitive user interaction. Developers can design custom interfaces using graphical libraries like LVGL.

7.2 Pangwangunan GUI LVGL

LVGL (Light and Versatile Graphics Library) is a popular open-source graphics library compatible with this board. It provides tools and widgets for creating rich graphical user interfaces with low memory requirements. Refer to the LVGL documentation and Waveshare's examples for implementation details.

Figure 7.1: Application Scenarios.

7.3 Peripheral Expansion

Utilize the onboard headers (CAN, RS485, I2C, Sensor) to connect external modules and expand the board's functionality. Ensure proper wiring and power supply for connected peripherals.

Figure 7.2: Multiple Peripheral Support.

8. Pangropéa

To ensure the longevity and optimal performance of your development board, observe the following maintenance guidelines:

• Penanganan: Handle the board with care, avoiding static discharge. Use anti-static precautions when working with electronic components.
• beberesih: Keep the board and display clean. Use a soft, dry cloth to wipe dust. For the screen, use a screen-specific cleaner if necessary, applied to the cloth, not directly to the screen.
• Panyimpenan: Store the board in a dry, cool environment, away from direct sunlight, extreme temperatures, and humidity.
• kakuatan: Always use a stable and appropriate power supply. Avoid over-voltagsambungan e atanapi polaritas tibalik.
• Sambungan: Ensure all cable connections are secure but do not apply excessive force when connecting or disconnecting.

9. Cara ngungkulan

If you encounter issues with your ESP32-S3-Touch-LCD-7 board, consider the following troubleshooting steps:

• Papan Henteu Nyala:
  • Verify the USB Type-C cable is correctly connected to a functional power source.
  • If using a battery, ensure it is charged and properly connected to the PH2.0 header.
  • Check the PWR indicator LED on the board.
• Tampilan Teu Gawé:
  • Ensure the display panel connector is firmly seated.
  • Confirm that the firmware uploaded includes display initialization code.
• Layar rampa teu ngaréspon:
  • Check the touch panel connector.
  • Verify that the I2C interface for the touch controller is correctly configured in your code.
  • Ensure the I2C level selection jumper is set appropriately (3.3V/5V).
• Unable to Upload Firmware:
  • Install the correct USB-to-UART drivers for your operating system.
  • Ensure the USB Type-C cable is a data-capable cable, not just a charging cable.
  • Try pressing and holding the BOOT button while connecting the USB cable or initiating the upload process, then release.
  • Verify correct COM port selection in your IDE.
• Masalah Konektipitas Wi-Fi/Bluetooth:
  • Pariksa kode anjeun pikeun inisialisasi sareng kredensial Wi-Fi/Bluetooth anu leres.
  • Pastikeun anteneu onboard teu kahalangan.

For more detailed troubleshooting and specific error codes, refer to the official Waveshare product wiki and community forums.

10. Garansi jeung Rojongan

For information regarding product warranty, technical support, and additional resources, please visit the official Waveshare website. The product wiki for the ESP32-S3-Touch-LCD-7 board often contains detailed documentation, schematics, sample code, and FAQs that can assist with development and issue resolution.

Pabrikan: Waveshare

Websitus: www.waveshare.com