Introduction
The ESP32-S3-Touch-LCD-4.3B is a versatile microcontroller development board featuring 2.4GHz WiFi and Bluetooth 5 (LE) support. It integrates high-capacity Flash and PSRAM, along with a 4.3-inch capacitive touch screen capable of running GUI demos like LVGL. Its peripheral interfaces, including CAN, I2C, and RS485, make it suitable for rapid development of Human-Machine Interfaces (HMI) and other ESP32-S3 applications, particularly for Internet of Things (IoT), mobile devices, and smart home solutions.
Key Features
- Xtensa 32-bit LX7 dual-core processor (up to 240MHz)
- 2.4GHz Wi-Fi and Bluetooth 5 (LE) with onboard antenna
- 512KB SRAM, 384KB ROM, 8MB PSRAM, and 8MB Flash
- 4.3-inch capacitive touch display (800x480 resolution, 65K color)
- I2C interface for 5-point capacitive touch control
- Onboard CAN, RS485, I2C interfaces, and Micro SD card slot
- Full-speed USB port
- Low power consumption modes
Hardware Description
The board offers various interfaces including CAN, I2C, RS485, and an isolated IO interface. It also features a PH2.0 battery header with an efficient charge and discharge management chip (CS8501) for single-cell lithium batteries.
For detailed pin connections and interface specifics, refer to the schematic.
Development Environment Setup
The ESP32-S3-Touch-LCD-4.3B supports development using MicroPython, C/C++ (Arduino, ESP-IDF). The document provides guidance on setting up the development environment, particularly with the ESP-IDF framework and Visual Studio Code (VSCode).
For detailed instructions on installing and configuring the ESP-IDF extension in VSCode, users can refer to the official Espressif documentation and tutorials.
Resources
For more information, visit the Waveshare Wiki.
