The ESP32-S3 4.3inch Capacitive Touch Display Development Board is an advanced microcontroller development board equipped with an Xtensa 32-bit LX7 dual-core processor operating at up to 240MHz. This board supports both WiFi and Bluetooth, with an onboard antenna for wireless connectivity. It integrates an 800x480 resolution, 4.3-inch capacitive touch screen capable of 5-point touch, making it ideal for running GUI programs such as LVGL. This development board is perfect for creating human-machine interfaces (HMI) and other applications requiring touch input and display.

Features

• Processor: Xtensa 32-bit LX7 dual-core processor with a maximum frequency of 240MHz.
• Wireless Connectivity: Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with an onboard antenna.
• Memory: Includes 512KB of SRAM and 384KB ROM, onboard 8MB PSRAM and 8MB Flash.
• Display: Features a 4.3-inch capacitive touch display with 800x480 resolution and 65K colors.
• Touch Control: Supports capacitive touch control via I2C interface, enabling 5-point touch with interrupt support.
• Peripheral Interfaces: Equipped with CAN, RS485, I2C interfaces, a TF card slot, and a full-speed USB port.
• Power Management: Offers flexible clock settings and independent module power supply control for low power consumption in various scenarios.

Specifications

• Processor: Xtensa 32-bit LX7 dual-core, up to 240MHz
• Wireless: 2.4GHz Wi-Fi, Bluetooth 5 (LE)
• Memory: 512KB SRAM, 384KB ROM, 8MB PSRAM, 8MB Flash
• Display: 4.3-inch capacitive touch, 800x480 resolution, 65K colors
• Touch: 5-point capacitive touch via I2C
• Interfaces: CAN, RS485, I2C, TF card slot, USB port
• Power Supply: Supports flexible clock and independent module power supply settings
• Additional Chips: SGM2212-3.3 LDO, FSUSB42UMX for USB pin multiplexing, TJA1051T/3/1J CAN interface chip, CH422G IO expansion chip, MP3302DJ-LF-Z screen backlight boost chip, CH343P USB to UART chip, SP3485 RS485 transceiver chip, CS8501 lithium battery recharge manager

Applications

• Human-Machine Interfaces (HMI): Ideal for developing interactive touch-based interfaces for various devices.
• Smart Home Devices: Can be used in smart home control panels and automation systems.
• Industrial Control: Suitable for use in industrial automation and control systems.
• IoT Devices: Perfect for creating Internet of Things (IoT) applications that require touch input and display.
• Educational Projects: A great tool for learning and teaching embedded systems and IoT development.

Pinout

1. ESP32-S3N8R8: The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, integrated 8MB PSRAM and Flash.
2. SGM2212-3.3: 800mA low-noise LDO.
3. FSUSB42UMX: For USB pins multiplexing.
4. Touch panel connector.
5. USB TO UART Type-C port.
6. USB Type-C port.
7. TJA1051T/3/1J: CAN interface chip.
8. CH422G: IO expansion chip.
9. BOOT button: Press and hold while powering on for program burning.
10. RESET button.
11. MP3302DJ-LF-Z: Screen backlight boost chip.
12. 4.3-inch display panel connector.
13. TF card slot.
14. Sensor header.
15. CAN header.
16. I2C header.
17. RS485 header.
18. 3.7V single lithium battery PH2.0 header.
19. CAN terminal resistor selection.
20. RS485 terminal resistor selection.
21. CH343P: USB to UART chip.
22. SP3485: RS485 transceiver chip.
23. CS8501: Lithium battery recharge manager.
24. Status Indicators: PWR (Power supply indicator), CHG (Lithium battery charging indicator), DONE (Lithium battery charging completed indicator).

Resources

ESP32-S3-Touch-LCD-4.3 Wiki.

Video

• Video Tutorial

Demo

• Sample demo
• ESP32-S3-Touch-LCD-4.3 libraries

Software

• Sscom5.13.1
• Arduino IDE
• USB-CAN-A_TOOL_1.2
• USB-CAN-A_TOOL_2.0
• ESP32_S3_flash_download_tool

Datasheet

• TJA1051
• CH343 Datasheet
• ESP32-S3 Series Datasheet
• ESP32-S3 Wroom Datasheet

Package Includes

• ESP32-S3-Touch-LCD-4.3 Development Board
• USB Type-C Cable