Waveshare ESP32-S3 4.3-inch LCD Touch Screen Development Board User Manual

1. Fampidirana

The Waveshare ESP32-S3-Touch-LCD-4.3B-BOX is a microcontroller development board designed for Human-Machine Interface (HMI) and other ESP32-S3 applications. It integrates a 4.3-inch capacitive touch screen with an 800x480 resolution and 65K colors, along with 2.4GHz Wi-Fi and Bluetooth 5 (LE) connectivity. The board features an Xtensa 32-bit LX7 dual-core processor, high-capacity Flash, and PSRAM, making it suitable for running GUI programs like LVGL and interfacing with various peripherals.

This manual provides essential information for setting up, operating, and maintaining your development board.

2. Ny votoatin'ny fonosana

• ESP32-S3-Touch-LCD-4.3B-BOX Development Board x1

Please inspect the package contents upon receipt to ensure all items are present and undamaged. If any components are missing or damaged, please contact customer support.

3. Vokatra mihoatraview

The ESP32-S3-Touch-LCD-4.3B-BOX features a comprehensive layout of components and interfaces. Understanding these components is crucial for proper setup and operation.

Sary 3.1: ESP32-S3-Touch-LCD-4.3B-BOX Component Layout

Famantarana singa:

1. ESP32-S3-WROOM-1-N16R8: The System-on-Chip (SoC) with Wi-Fi and Bluetooth, up to 240MHz operating frequency, integrated 8MB PSRAM and 16MB Flash.
2. TF karatra slot: Ho an'ny fitahirizana ivelany.
3. USB Type-C seranan-tsambo: Ho an'ny famatsiana herinaratra sy fifandraisana data.
4. bokotra BOOT: Tsindrio ary hajanony eo am-pandehanana ny fandoroana fandaharana.
5. bokotra RESET: Mamerina ny solaitrabe.
6. Optocoupler isolation: Provides electrical isolation for digital I/O.
7. Mampifandray tontonana mikasika: Connects to the capacitive touch screen.
8. 4.3inch display panel connector: Connects to the LCD display.
9. RS485 and CAN terminal resistors selection: Jumpers for enabling/disabling terminal resistors (closed by default).
10. Battery power supply ON/OFF: Switch for controlling battery power.
11. 3.7V single lithium battery GH1.25 2P header: Connector for a 3.7V lithium battery.
12. Toetra famantarana:
    • VITA: Tondro vita ny fiampangana bateria lithium.
    • CHG: Tondro famandrihana bateria lithium.
    • PWR: Power supply indicator. (CHG and DONE LEDs illuminate when connected to DC power supply and with battery connected or battery switch is OFF).
13. 7-36V DC power supply terminal: Fidiran'ny herinaratra lehibe.
14. I2C interface terminal: VOUT pin outputs 5V/3.3V (switching via onboard resistor).
15. CAN interface terminal: For CAN bus communication.
16. RS485 interface terminal: For RS485 communication.
17. Output nomerika: 5-36V, open-drain output, output load: 450mA per channel (MAX).
18. Input signal common terminal: NC: dry contact passive input. Connect to power supply positive: digital input low active, for NPN wet contact active input, 5V-36V DC. Connect to power supply negative: digital input high active, for PNP dry contact active input, 5V-36V DC.
19. Fampidirana nomerika: 5-36V, supports passive / active input (NPN or PNP).

4. Fametrahana

4.1 Powering the Board

The board can be powered via the USB Type-C port or the 7-36V DC power supply terminal. For portable applications, a 3.7V lithium battery can be connected to the GH1.25 2P header.

4.2 Fomba tariby

The ESP32-S3-Touch-LCD-4.3B-BOX supports two primary wiring methods for integrating into various application scenarios, such as DIN rail or embedded devices. The case version does not support bottom wiring.

Sary 4.1: Supported Wiring Methods

4.3 Fifandraisana Periferika

The board offers various interfaces for expanding functionality:

• I2C Interface: For connecting I2C compatible sensors and modules.
• CAN Interface: For Controller Area Network communication.
• Interface RS485: For serial communication over long distances.
• Digital Isolated I/O: Supports passive and active digital input with bi-directional optocoupler isolation, and digital output with optocoupler isolation providing up to 450mA sinking current.

Sary 4.2: Multiple Peripheral Support

5. Torolàlana miasa

5.1 Fampandehanana fototra

1. Herim-batana: Connect a 7-36V DC power supply to the terminal or a 3.7V lithium battery (ensure the battery switch is ON), or connect the USB Type-C cable to a power source. The PWR indicator LED will illuminate.
2. Efijery kasihina: The 4.3-inch capacitive touch screen supports 5-point touch control via an I2C interface. It is designed for smooth GUI interaction.
3. Wi-Fi & Bluetooth: The ESP32-S3 SoC supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with an onboard antenna. These features can be utilized through appropriate firmware development.

Sary 5.1: IPS Display Panel and Capacitive Touch Functionality

5.2 Software Development

The board is suitable for GUI development using frameworks such as LVGL. Developers can utilize the ESP-IDF or Arduino IDE for programming the ESP32-S3. Refer to the official Espressif documentation and Waveshare's provided resources for detailed programming guides and examples.

5.3 Toe-javatra fampiharana

The ESP32-S3-Touch-LCD-4.3B-BOX is versatile for various applications:

• Olombelona-Machine Interface (HMI): Ideal for creating interactive control panels and displays.
• LVGL GUI Development: A powerful platform for developing rich graphical user interfaces.
• IoT Devices: With Wi-Fi and Bluetooth, it can serve as a central control unit for smart home or industrial IoT applications.

Sary 5.2: Fampiharana Scenarios

6. Fikojakojana

6.1 Fanadiovana

To clean the display and case, use a soft, dry, lint-free cloth. For stubborn smudges, a slightly damp cloth with water or a mild screen cleaner can be used. Avoid abrasive materials or harsh chemicals.

6.2 Fanavaozana firmware

Periodically check the Waveshare official website or relevant community forums for firmware updates. Keeping the firmware updated can improve performance, add new features, and resolve potential issues. Follow the provided instructions carefully when performing updates.

7. Famahana olana

This section addresses common issues you might encounter with the ESP32-S3-Touch-LCD-4.3B-BOX.

7.1 Olana fahefana

• Board does not power on: Ensure the power supply is connected correctly and provides sufficient voltage (7-36V DC or 5V via USB-C). If using a battery, check its charge level and ensure the battery power switch is ON.
• Charging indicator (CHG) not lit: Verify the battery is properly connected and the DC power supply is active. The DONE indicator will light when charging is complete.

7.2 Display and Touch Issues

• Display is blank or distorted: Check the connection of the display panel. Ensure the firmware loaded supports the display and is initialized correctly.
• Tsy mamaly ny écran tactile: Verify the touch panel connector is secure. Ensure the I2C interface for the touch controller is correctly configured in your software.

7.3 Olana amin'ny fifandraisana (Wi-Fi/Bluetooth)

• Cannot connect to Wi-Fi/Bluetooth: Ensure the onboard antenna is not obstructed. Verify your software configuration for Wi-Fi/Bluetooth is correct, including SSID, password, and device discovery settings.

7.4 Development Environment Issues

• Code compilation errors: Ensure all necessary libraries are installed and compatible with your ESP-IDF or Arduino IDE version. Refer to the Waveshare documentation and community resources for specific library requirements.
• GPIO conflicts: When developing complex applications, be aware of potential GPIO conflicts, especially when using multiple peripherals simultaneously with the display and touch functions. Careful planning of pin assignments in your code is recommended.

8. Famaritana

9. Warranty sy fanohanana

9.1 Fampahalalana momba ny fiantohana

Waveshare products are typically covered by a limited warranty against defects in materials and workmanship. Please refer to the official Waveshare webtranonkala na ny antontan-taratasin'ny fividiananao mba hahazoana fepetra sy fifanarahana manokana momba ny fiantohana.

9.2 Fanohanana ara-teknika

For technical assistance, development resources, and further documentation, please visit the official Waveshare website. Online development resources and technical support are provided. If you encounter any problems, please contact Waveshare customer support directly.