ESP32-S3 Development Board 3.49" IPS Touch Display Case Wi-Fi Bluetooth AI Voice
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ESP32-S3 Development Board with 3.49" IPS Touch Display in Case – Wi-Fi Bluetooth AI Voice
Waveshare development board based on the ESP32-S3R8 chip. Equipped with a panoramic 3.49-inch IPS touch display with a resolution of 172×640. The module integrates a range of functions essential for modern IoT projects: Wi-Fi and Bluetooth communication, a 6-axis IMU sensor, an RTC clock, and an advanced audio system with two microphones and noise reduction, ideal for AI applications and voice control.
Case A Version – product in an aesthetic enclosure (without battery).
Key Features:
- ESP32-S3R8 microcontroller – Xtensa 32-bit LX7 dual-core processor, up to 240MHz
- Memory: 512KB SRAM, 384KB ROM, 8MB PSRAM and 16MB Flash
- Wireless connectivity: 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)
- Display: 3.49" IPS, capacitive touch panel, 172×640 resolution
- Audio System: ES8311 (DAC) and ES7210 (ADC) codecs, two microphones with noise and echo cancellation
- AI Speech Interaction support – can be integrated with language models (e.g., DeepSeek)
- Sensors: 6-axis IMU QMI8658 (accelerometer + gyroscope), RTC PCF85063 clock
- TF (microSD) card slot – memory expansion and fast data transfer
- Interfaces: USB-C (programming), 22PIN GPIO pins (2.54mm pitch)
- Protective enclosure (Case A) for aesthetic appearance and electronics safety
- Programmable PWR and BOOT buttons
Panoramic IPS Touch Screen
The high-resolution 172×640 pixel display provides vivid colors (16.7M) and wide viewing angles. The QSPI interface ensures smooth refreshing, and the capacitive touch panel allows for comfortable user interaction.
Advanced Audio and AI
The integrated dual-microphone array along with noise and echo cancellation circuits makes the module perfect for speech recognition projects and integration with AI voice assistants.
Board Elements Description
- ESP32-S3R8 SoC Wi-Fi/Bluetooth, 240MHz, 8MB PSRAM
- Onboard antenna Wi-Fi 2.4GHz and Bluetooth 5 (LE)
- TCA9554PWR I2C GPIO expander (8-bit)
- W25Q128JVSI 16MB Flash memory
- ES8311 DAC High-performance audio codec (output)
- ES7210 ADC High-performance audio codec (mic input)
- QMI8658 6-axis motion sensor (gyro + accelerometer)
- Dual microphones Advanced voice interaction
- TF card slot Supports FAT32 formatted cards
- RESET button
- PWR power button
- BOOT button
- MX1.25 2PIN speaker connector
- IPEX1 antenna connector Optional (requires resistor soldering)
- 22PIN GPIO pins For connecting external modules
- USB Type-C port Programming and logs
- PCF85063 RTC real-time clock
Technical Specification
- Display Panel: IPS LCD
- Diagonal: 3.49 inch
- Resolution: 172 × 640 px
- Colors: 16.7M
- Display Interface: QSPI
- LCD Driver: AXS15231B
- Touch Interface: I2C (Capacitive)
- Processor: ESP32-S3R8 Dual-core
- Flash / PSRAM: 16MB / 8MB
- IMU: QMI8658 (3-axis accelerometer and gyroscope)
- RTC: PCF85063
- Audio: 2x Mic, codecs ES8311/ES7210
- Card slot: microSD (TF)
Kit Contents
- ESP32-S3-Touch-LCD-3.49 (Case A Version) x1
Note: The kit does not include a battery.
Note: The graphics in the photos are for illustrative purposes. The module has a basic test demo pre-loaded, and complete software examples are available on the manufacturer's Wiki page.
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