ESP32-S3 7 Inch IPS Capacitive Touch LCD Development Board

The WaveShare ESP32-S3 7 Inch IPS Capacitive Touch LCD Development Board is a powerful, all-in-one embedded development platform designed for interactive touchscreen applications, smart home automation, industrial control interfaces and AI voice interaction projects.

Featuring a 7-inch IPS display with 800 × 480 resolution, 5-point capacitive touch and 65K colours, this development board provides a large, responsive graphical interface for custom control panels, monitoring dashboards and intelligent human-machine interfaces (HMI).

Powered by the ESP32-S3-WROOM-2-N32R16 module, the board integrates a high-performance 240MHz dual-core Xtensa LX7 processor, 32MB Flash memory and 16MB PSRAM. Built-in 2.4GHz WiFi and Bluetooth 5 Low Energy provide wireless connectivity for IoT and connected device applications.

The module also includes advanced audio hardware, featuring an ES8389 audio codec, ES7210 audio capture chip, dual microphones and speaker connections. These components provide the foundation for developing voice-controlled devices, audio recording applications and AI-powered interactive terminals.

With support for LVGL graphical interfaces, USB Type-C programming, TF card storage, real-time clock functionality and a wide 7–36V DC power input, the Waveshare ESP32-S3 Touch LCD is suitable for both prototyping and integration into custom electronic systems.

Key Features

• 7 Inch IPS LCD Display: Large colour touchscreen with wide viewing angles for graphical user interfaces.

• 800 × 480 Pixel Resolution: Suitable for detailed dashboards, menus, graphics and control interfaces.

• 5-Point Capacitive Touch: Supports multiple simultaneous touch points with I2C communication and interrupt functionality.

• 65K Colour Display: Supports 65,536 colours for clear graphical output.

• ESP32-S3 Dual-Core Processor: Xtensa 32-bit LX7 processor operating at up to 240MHz.

• 32MB Flash Memory: Provides storage for firmware, graphical assets and application resources.

• 16MB PSRAM: Additional memory for graphical and embedded applications.

• 2.4GHz WiFi Connectivity: Enables wireless networking, remote monitoring and connected IoT applications.

• Bluetooth 5 Low Energy: Supports communication with compatible BLE devices.

• AI Voice Interaction Support: Integrated audio hardware enables development of voice-controlled interfaces.

• Dual Microphone Array: Supports audio capture for voice recognition and interactive applications.

• ES8389 Audio Codec: Handles audio signal acquisition, processing and output.

• ES7210 Audio Capture Chip: Supports microphone audio capture and analogue-to-digital conversion.

• LVGL GUI Support: Suitable for creating modern embedded graphical user interfaces.

• Wide Voltage Input: Supports 7–36V DC power through the dedicated screw terminal.

• USB Type-C Interface: Convenient connection for programming, serial communication and 5V power input.

• TF Card Slot: Provides external storage for application files, images and audio.

• Real-Time Clock: Onboard RTC with backup battery holder for timekeeping during power interruptions.

• Battery Management: Includes lithium battery connection, charging status indication and battery capacity monitoring.

• Expansion Interfaces: I2C and GPIO screw terminals for connecting compatible external devices.

Technical Specifications

General Specifications

• Brand: Waveshare

• Model: ESP32-S3-Touch-LCD-7C-BOX

• Product Type: ESP32-S3 Touchscreen Development Board

Processor and Memory

• Microcontroller Module: ESP32-S3-WROOM-2-N32R16

• Processor Architecture: Xtensa 32-bit LX7 Dual-Core

• Maximum CPU Frequency: 240MHz

• Internal SRAM: 512KB

• ROM: 384KB

• Flash Memory: 32MB

• PSRAM: 16MB

Display Specifications

• Display Size: 7 Inches

• Display Type: IPS LCD

• Resolution: 800 × 480 Pixels

• Display Colours: 65K

• Touch Technology: Capacitive

• Touch Points: Up to 5 Simultaneous Touch Points

• Touch Interface: I2C with Interrupt Support

• Viewing Angle: 170°

Wireless Connectivity

• WiFi: 2.4GHz IEEE 802.11 b/g/n

• Bluetooth: Bluetooth 5 Low Energy

• Antenna: Onboard Wireless Antenna

Audio Hardware

• Audio Codec: ES8389

• Audio Capture Chip: ES7210

• Microphones: Dual Microphone Array

• Speaker Connections: Dual MX1.25 Headers

• Audio Jack: 3.5mm Headphone Jack

• Headphone Standard: CTIA by Default

• Audio Capabilities: Recording and Playback

Power and Battery Management

• External DC Input: 7–36V DC

• USB Power Input: 5V via USB Type-C

• Battery Connector: PH2.0 Lithium Battery Header

• Battery Fuel Gauge: BQ27220

• RTC Backup Battery: CR927 Button Cell Supported

• Battery Power Switch: Onboard

• Status Indicators: Power, Charging and Programmable Status LED

Connectivity and Expansion

• USB Interface: USB Type-C

• Storage Expansion: TF / microSD Card Slot

• Expansion Interfaces: GPIO and I2C Screw Terminals

• External Power Output: 5V Screw Terminal

• Control Buttons: BOOT and RESET

• RTC: Onboard Real-Time Clock

7 Inch IPS Display with 5-Point Capacitive Touch

The Waveshare ESP32-S3 development board features a large 7-inch IPS display with 800 × 480 pixel resolution and support for 65K colours.

IPS technology provides a wide 170° viewing angle, making the screen suitable for wall-mounted control panels, desktop dashboards and embedded monitoring applications.

The integrated capacitive touchscreen supports up to five simultaneous touch points, allowing developers to create interactive interfaces with on-screen buttons, menus, sliders and other controls.

Touch communication uses an I2C interface with interrupt support.

Powerful ESP32-S3 Dual-Core Processing

The board is powered by the ESP32-S3-WROOM-2-N32R16 module, featuring a 32-bit Xtensa LX7 dual-core processor operating at up to 240MHz.

With 32MB Flash memory and 16MB PSRAM, the platform provides resources for developing graphical interfaces, wireless applications and embedded systems that require additional memory for display assets and application processing.

The ESP32-S3 architecture is widely used in IoT development, smart home devices and embedded automation applications.

WiFi and Bluetooth 5 Connectivity

The ESP32-S3 integrates 2.4GHz WiFi and Bluetooth 5 Low Energy, enabling communication with wireless networks, compatible sensors and connected devices.

Developers can use these capabilities to create:

• Wireless smart home controllers

• Remote monitoring dashboards

• WiFi-connected control panels

• Bluetooth sensor interfaces

• IoT device management terminals

• Network-connected information displays

AI Voice Interaction and Audio Processing

One of the key features of the Waveshare ESP32-S3-Touch-LCD-7C-BOX is its integrated audio hardware.

The board includes an ES8389 audio codec, ES7210 audio capture chip, dual microphone array and speaker connection interfaces.

These components provide the hardware foundation for:

• Voice command recognition

• Audio recording

• Speech playback

• Voice-controlled interfaces

• Interactive AI terminals

• Smart home voice assistants

Waveshare demonstrates connectivity to online AI language model platforms, including DeepSeek and Doubao.

Access to these services requires suitable firmware, internet connectivity and any necessary external service configuration.

LVGL Graphical User Interface Development

The board supports LVGL, a popular open-source graphics library used for creating embedded graphical user interfaces.

LVGL allows developers to build interfaces with interactive elements such as buttons, charts, menus, sliders and status indicators.

Combined with the large 7-inch touchscreen, the ESP32-S3 provides a practical platform for custom HMI applications, smart home dashboards and embedded control systems.

Wide 7–36V DC Power Input

The onboard voltage regulator supports a wide 7–36V DC input through a dedicated screw terminal.

This provides flexibility for integration into embedded systems and installations using suitable DC power supplies.

The board also supports 5V power input through its USB Type-C connector, making it convenient for desktop development and programming.

A separate 5V output screw terminal is provided for powering compatible external devices within the board's supported electrical limits.

Real-Time Clock and Battery Management

The development board includes an onboard real-time clock with a backup battery holder supporting a CR927 button cell.

When a suitable RTC backup battery is installed, timekeeping can be maintained during interruptions to the main power supply.

The board also features a lithium battery connector, battery charging status indication and a BQ27220 fuel gauge for monitoring battery capacity.

These features are useful for portable devices and applications requiring battery status information.

TF Card Storage and Peripheral Expansion

The onboard TF card slot allows developers to add external storage for graphical assets, audio files, application data and other resources.

Additional expansion options include:

• GPIO screw terminals

• I2C screw terminal

• 5V output screw terminal

• 7–36V DC input screw terminal

• Dual speaker headers

• 3.5mm audio jack

• USB Type-C connection

These interfaces make it easier to connect compatible sensors, external modules and other electronic components.

Typical Applications

• Smart home touchscreen control panels

• Industrial human-machine interfaces (HMI)

• ESP32-S3 development projects

• Home automation dashboards

• WiFi and Bluetooth IoT systems

• AI voice assistant development

• Interactive information displays

• Building automation controllers

• Wireless sensor monitoring

• Audio recording and playback projects

• Embedded graphical user interfaces

• LVGL touchscreen development

• Smart appliance control panels

• Educational electronics and programming projects

Important Information

• This product is an ESP32-S3 development board with an integrated 7-inch capacitive touchscreen.

• WiFi operates on the 2.4GHz band