ESP32-S3 Smart 86 Box Dev Board Wi-Fi BLE 5, 4inch 480x480 Touch Display

Resources:

www.waveshare.com/wiki/ESP32-S3-Touch-LCD-4B

ESP32-S3 86 Box Development Board: Advanced HMI and IoT Solution with 4-inch Touch Display

The ESP32-S3 86 Box Development Board is a powerful, feature-rich platform designed for high-performance human-machine interface (HMI) and IoT applications. Powered by the Xtensa 32-bit LX7 dual-core processor running at up to 240 MHz, it integrates 2.4 GHz Wi-Fi and Bluetooth 5 (LE) for robust wireless connectivity. This development board comes with 16 MB Flash, 8 MB PSRAM, and a 4-inch 480×480 capacitive touch LCD display capable of running advanced GUI frameworks such as LVGL with smooth responsiveness. With multiple peripheral interfaces and low-power management features, it’s ideal for applications like smart control panels, home automation, industrial control systems, and intelligent lighting solutions.

Key Features

• High-Performance Processor – Xtensa 32-bit LX7 dual-core CPU up to 240 MHz for demanding applications.

• Wireless Connectivity – Integrated 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna.

• Ample Memory – 512 KB SRAM, 384 KB ROM, 16 MB Flash, and 8 MB PSRAM for smooth multitasking.

• 4-inch Capacitive Touch Display – 480×480 resolution, 65K colour support, and 5-point touch control via I²C.

• GUI Ready – Optimised for running advanced graphical interfaces such as LVGL.

• Low Power Consumption – Flexible clock and independent power control for efficient operation in various scenarios.

• Versatile Applications – Suitable for smart panels, gateways, industrial automation, and smart lighting control.

ESP32-S3 Smart 86 Box

Based On ESP32-S3 Module, Supports Secondary Development

Enables Smart Living & Industrial IoT For Scenario-Based Control

4 inch IPS Touch Screen

160° Wide Viewing Angle, Excellent Display Performance

Capacitive 5-Point Touch

Supports capacitive 5-point touch function controlled via I2C interface for flexible operation and smooth UI interaction

WIFI And Bluetooth Support

supports 2.4 GHz Wi-Fi (802.11 B/G/N) and Bluetooth 5 (LE), Onboard Antenna

Audio Input/Output

Onboard ES8311 audio codec chip and ES7210 echo cancellation circuit. Meet daily audio application scenarios

What's On Board

1. ESP32-S3-WROOM-1-N16R8
   The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM and 16MB Flash
2. AXP2101
   Highly integrated power management IC
3. ES7210 echo cancellation chip
   echo cancellation algorithm chip, used to eliminate echo and improve audio capture accuracy
4. ES8311 low-power audio codec chip
   for audio encoding and decoding
5. PCF85063
   RTC chip
6. QMI8658
   6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer
7. TCA9554PWR
   GPIO expansion chip
8. LCD connector
   for connecting 4inch RGB screen
9. USB TO UART Type-C connector
   for power supply, program burning and debugging
10. USB Type-C connector
    ESP32-S3 USB interface, for power supply, program burning and log printing
11. Onboard microphones
    Microphone inputs with echo cancellation
12. Speaker header
    MX1.25 2P connector, supports 8Ω 2W speaker
13. PWRKEY button
    for power supply on/off, programmable for other functions
14. BOOT button
    for device startup and function debugging
15. CHG LED indicator
    for indicating the charging status of the Lithium battery
16. PH2.0 Lithium battery header
    for 3.7V Lithium battery, supports charging and discharging
17. Expansion header (pitch 2.0mm)
    for connecting peripherals

Dimensions

Package Content:

ESP32-S3-Touch-LCD-4B × 1