ESP32-S3 Smart 86 Box Development Board – 4" Touch Display 480×480 Wi-Fi Bluetooth BLE 5
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ESP32-S3 Smart 86 Box Development Board – 4-inch Touch Display 480×480, Wi-Fi, Bluetooth BLE 5
The ESP32-S3-Touch-LCD-4B is an advanced development board from Waveshare, based on the ESP32-S3 module (2.4GHz Wi-Fi and BLE 5) with built-in 16MB Flash and 8MB PSRAM. It features an integrated 4-inch touch screen with a 480 × 480 resolution (RGB interface) that smoothly runs Graphical User Interface (GUI) programs such as LVGL.
Thanks to a rich set of peripheral interfaces, including IMU sensors and audio circuits, the board enables rapid development of HMI interfaces and applications in smart central control, home gateways, interactive panels, industrial automation, and lighting control.
Key Features:
- High-performance Xtensa 32-bit LX7 ESP32-S3R8 dual-core processor, clocked up to 240MHz
- Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (BLE), with onboard antenna
- Built-in 512KB SRAM and 384KB ROM, with additional 8MB PSRAM and external 16MB Flash
- Integrated 4-inch capacitive IPS touch screen, 480 × 480 resolution, 65K colors
- Compatibility with GUI libraries, such as LVGL, for creating smooth interfaces
- Supports 5-point touch controlled via I2C interface
- Display driver chip ST7701 and capacitive touch controller GT911 (RGB and I2C interfaces)
- Built-in 6-axis IMU QMI8658 (accelerometer and gyroscope) for gesture detection and step counting
- RTC chip PCF85063 connected to the battery via AXP2101 for uninterrupted power supply
- AXP2101 Power Management IC: efficient power management, charging, and 3.7V Li-ion battery management (PH2.0 connector)
- Two side buttons (PWR and BOOT) with programming capability
- Audio input/output support (ES8311 codec, ES7210 echo cancellation circuit, speaker connector)
- Two USB Type-C connectors: for power supply, programming, debugging, and logging
4-inch IPS Touch Screen
160° wide viewing angle, excellent display performance.
Audio Input/Output
Built-in ES8311 audio codec and ES7210 echo cancellation circuit. Suitable for everyday audio application scenarios.
Example Application Scenarios
Smart Switch
Human-Machine Interface (HMI)
Smart Home Terminal
Board Component Description
- ESP32-S3-WROOM-1-N16R8
SoC with WiFi and Bluetooth, up to 240MHz, with 8MB PSRAM and 16MB Flash - AXP2101
Highly integrated power management IC - ES7210 echo cancellation chip
Chip for echo elimination, improves audio capture accuracy - ES8311 low-power audio codec chip
For audio encoding and decoding - PCF85063
RTC chip (Real-Time Clock) - QMI8658
6-axis IMU (3-axis gyroscope and 3-axis accelerometer) - TCA9554PWR
GPIO expansion chip - LCD connector
Connector for 4-inch RGB screen
- USB TO UART Type-C connector
For power supply, programming, and debugging - USB Type-C connector
ESP32-S3 USB interface, for power supply, programming, and logging - Onboard microphones
Microphone inputs with echo cancellation - Speaker header
MX1.25 2P connector, supports 8Ω 2W speaker - PWRKEY button
Power on/off button, programmable for other functions - BOOT button
For device startup and function debugging - CHG LED indicator
LED diode indicating the Lithium battery charging status - PH2.0 Lithium battery header
Connector for 3.7V Lithium battery, supports charging and discharging - Expansion header (pitch 2.0mm)
Expansion connector for connecting peripherals
Outline Dimensions
Package Content
- ESP32-S3-Touch-LCD-4B x1
Wiki: www.waveshare.com/wiki/ESP32-S3-Touch-LCD-4B
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