Introduction
The Waveshare ESP32-S3 Smart 86 Box Development Board is a high-performance microcontroller unit designed for embedded applications. It integrates a powerful dual-core processor, extensive memory, and a high-resolution touch display, making it suitable for smart control panels, home gateways, industrial control systems, and smart lighting control scenarios.
Package Content
The package includes the following item:
- ESP32-S3-Touch-LCD-4B Development Board x 1
Key Features
- High-Performance Processor: Powered by the Xtensa 32-bit LX7 dual-core processor, running up to 240MHz for efficient and smooth processing in embedded applications.
- Dual Connectivity Support: Offers 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with an onboard antenna, ensuring robust wireless communication.
- Generous Memory Capacity: Equipped with 512KB SRAM, 384KB ROM, 16MB Flash, and 8MB PSRAM for fast data access and storage for advanced projects.
- High-Resolution Touch Display: Features a 4-inch LCD screen with 480 × 480 resolution, offering 65K colors and 5-point capacitive touch control via an I2C interface.
- Energy-Efficient Design: Supports low-power operation with features like flexible clock and independent module power control for energy-conscious development in various applications.
- Rich WiKi Resources: Official Wiki resources are available for more information.
Display Features
The device features a 4-inch LCD screen with a resolution of 480 × 480 pixels, capable of displaying 65K colors. It supports 5-point capacitive touch control through an I2C interface, offering a wide viewing angle for excellent display performance.
Connectivity
The ESP32-S3 Smart 86 Box supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), providing robust wireless communication capabilities with an onboard antenna.
Audio Capabilities
Equipped with an onboard ES8311 audio codec chip and ES7210 echo cancellation circuit, the board supports high-quality audio input and output. It includes dual microphones and a speaker, making it suitable for various audio application scenarios, including voice interaction.
Application Scenarios
This development board is versatile and can be applied in various scenarios such as smart switches, human-machine interfaces, and smart home terminals.
Component Overview
The board integrates several key components:
- ESP32-S3-WROOM-1-N16R8: SoC with Wi-Fi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM and 16MB Flash.
- AXP2101: Highly integrated power management IC.
- ES7210 echo cancellation chip: Used to eliminate echo and improve audio capture accuracy.
- ES8311 low-power audio codec chip: For audio encoding and decoding.
- PCF85063: RTC chip.
- QMI8658: 6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer.
- TCA9554PWR: GPIO expansion chip.
- LCD connector: For connecting 4-inch RGB screen.
- USB TO UART Type-C connector: For power supply, program burning, and debugging.
- USB Type-C connector: ESP32-S3 USB interface, for power supply, program burning, and log printing.
- Onboard microphones: Microphone inputs with echo cancellation.
- Speaker header: MX1.25 2P connector, supports 8Ω 2W speaker.
- PWRKEY button: For power supply on/off, programmable for other functions.
- BOOT button: For device startup and function debugging.
- CHG LED indicator: For indicating the charging status of the Lithium battery.
- PH2.0 Lithium battery header: For 3.7V Lithium battery, supports charging and discharging.
- Expansion header (pitch 2.0mm): For connecting peripherals.
Dimensions
The device has package dimensions of 5.7 x 4.1 x 0.9 inches and an item weight of 4.8 ounces. Detailed outline dimensions are provided in the diagram below.
Development Environment
The development board supports popular development tools and frameworks such as Arduino IDE and ESP-IDF. It is equipped with a complete SDK open-source tutorial to facilitate easy setup and integration into applications.
Setup
To begin using the Waveshare ESP32-S3 Smart 86 Box Development Board, connect it to your computer using a USB Type-C cable. The USB Type-C connector (item 10 in the component overview) serves for power supply, program burning, and log printing. For debugging and power supply, an additional USB TO UART Type-C connector (item 9) is available. If using a Lithium battery, connect it to the PH2.0 Lithium battery header (item 16). The CHG LED indicator (item 15) will show the charging status.
Operating Instructions
The device can be powered on/off using the PWRKEY button (item 13), which is also programmable for custom functions. The BOOT button (item 14) is used for device startup and function debugging. The 4-inch LCD touch display supports 5-point capacitive touch for interactive control. For audio functions, the onboard microphones and speaker can be utilized.
Maintenance
Keep the device clean and free from dust. Avoid exposing it to extreme temperatures or moisture. Ensure proper ventilation if enclosed in a custom casing. When handling, avoid static discharge.
Troubleshooting
- Device not powering on: Check USB Type-C cable connection and power source. If using a battery, ensure it is charged and correctly connected to the PH2.0 Lithium battery header.
- Display not working: Verify power supply. Ensure the LCD connector is securely attached.
- Connectivity issues (Wi-Fi/Bluetooth): Check for proper antenna connection (onboard). Ensure your development environment settings for Wi-Fi and Bluetooth are correct.
- Programming errors: Refer to the official Wiki resources and SDK documentation for detailed guidance on Arduino IDE or ESP-IDF.
- Touch screen unresponsiveness: Ensure the I2C interface is correctly configured in your software.
Specifications
| Attribute | Value |
|---|---|
| Brand | Waveshare |
| Series | ESP32-S3-Touch-LCD-4B |
| Item Weight | 4.8 ounces |
| Package Dimensions | 5.7 x 4.1 x 0.9 inches |
| Manufacturer | Waveshare |
| ASIN | B0FL7DVW44 |
| Date First Available | August 5, 2025 |
| Model Name | ESP32-S3-Touch-LCD-4B |
| Included Components | ESP32-S3-Touch-LCD-4B |
| Total USB Ports | 2 |
Warranty & Support
For warranty information and technical support, please refer to the official Waveshare Wiki resources or contact Waveshare customer service directly. You can visit the Waveshare Store at https://www.amazon.com/stores/Waveshare/page/2141CE66-4AE0-4317-BD1A-B237ACC420B1.
