ESP32-S3 Dev Board with 4.3inch Touch LCD - BLE 5 - WiFi - CAN - RS485 - I2C

The ESP32-S3 4.3inch Touch LCD Development Board Type B is a powerful and versatile development board based on the ESP32-S3-WROOM-1-N16R8 module. With a high-performance 32-bit LX7 dual-core processor running up to 240 MHz, integrated 16MB Flash and 8MB PSRAM, as well as built-in Wi-Fi and Bluetooth 5 (LE), this board is ideally suited for demanding graphical user interfaces and smart HMI applications.

Main Features:

• High-performance ESP32-S3 Microcontroller: Xtensa® 32-bit LX7 dual-core processor with up to 240 MHz, integrated 16MB Flash and 8MB PSRAM for advanced applications.
• 4.3" Capacitive Touch Display: 800×480 resolution, IPS panel with wide 160° viewing angle and 65K colors, 5-point touch via I2C interface for smooth user interaction.
• Wireless Communication: Integrated 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna for seamless connectivity.
• Wide Power Supply Range: Supports 7–36V DC input via onboard voltage regulator, suitable for industrial environments.
• Rich Interfaces: Includes CAN, RS485, I2C, isolated digital IOs, USB Type-C, TF card slot, and more for versatile peripheral integration.
• RTC with Battery Backup: Onboard RTC chip and rechargeable battery ensure reliable timekeeping even during power loss.
• Flexible Installation: Supports bottom and back wiring, optional plastic enclosure (note: case version does not support bottom wiring).
• High Current Capability: Digital output supports up to 450mA per channel via optocoupler isolation.

Technical Specifications:

• Module: ESP32-S3-WROOM-1-N16R8
• Processor: Xtensa® 32-bit LX7 Dual-Core, up to 240 MHz
• Memory: 16MB Flash, 8MB PSRAM, 512KB SRAM, 384KB ROM
• Display: 4.3" Capacitive Touchscreen, 800×480, IPS, 5-point touch
• Wireless: 2.4GHz Wi-Fi (802.11 b/g/n), Bluetooth 5 (LE)
• Interfaces: CAN, RS485, I2C, USB Type-C, TF card slot, digital IO (optocoupler isolated)
• Touch Interface: I2C with interrupt support
• Power Input: 7–36V DC
• Digital Output: Open-drain, up to 450mA sinking current per channel
• Digital Input: 5–36V, supports passive/active input (NPN/PNP)
• Mounting Options: Bottom or back wiring, wall or rail mount (75mm hole spacing)

Package Contents:

• 1x ESP32-S3 4.3inch Touch LCD Development Board Type B (with case)

Documentation:

Waveshare Wiki for ESP32-S3-Touch-LCD-4.3B