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ESP32-S3 3.49-inch Development Board DeepSeek AI Chat Box 3.49inch LCD Capacitive TouchScreen Display 172×640 N16R8
$29.9
ESP32-S3 high-performance development board with a 3.49-inch IPS capacitive touchscreen, 172×640 resolution, and an integrated ESP32-S3R8 dual-core processor.
EPS32 DeepSeek AI Recommend
ESP32-S3
3.49-inch LCD screen development board
QSPI display with integrated audio input and output modules enables AI interaction and offline voice control
Version selection
LCD screen parameters
| Display panel | LCD | Display size | 3.49 inches |
|---|---|---|---|
| Display resolution | 172 × 640 | Display Color | 16.7M |
| Display brightness | 350 cd/m2 | Contrast | 1200:1 |
| Display Interface | QSPI | driver chip | AXS15231B |
| Touch interface | I2C | Touch Type | Capacitive sensing |
Product Features
This product is a high-performance, highly integrated microcontroller development board designed by Waveshare. It features a 3.49-inch capacitive HD IPS display, a highly integrated power management chip, a six-axis sensor (three-axis accelerometer and three-axis gyroscope), an RTC, a low-power audio codec chip, and an echo cancellation circuit, making it easy to develop and embed into products.。
- Equipped with the ESP32-S3R8 high-performance Xtensa 32-bit LX7 dual-core processor, with a main frequency of up to 240MHz
- Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE) with onboard antenna
- Built-in 512KB SRAM and 384KB ROM, stacked 8MB PSRAM and external 16MB Flash
- Onboard 3.49-inch capacitive touch HD IPS screen, 172 × 640 resolution, 16.7M colors, can clearly display color images
- Equipped with a dual digital microphone array, it can implement audio algorithms such as noise reduction and echo cancellation, suitable for accurate speech recognition and near-field/far-field voice wake-up applications
- Built-in AXS15231B display driver integrated chip, using QSPI and I2C interface communication
- Onboard QMI8658 six-axis inertial measurement unit (3-axis acceleration, 3-axis gyroscope), which can detect device deflection status, step counting, and other functions
- Onboard PCF85063 RTC chip, which can easily realize RTC function requirements
- Onboard PWR and BOOT two customizable side buttons, convenient for custom function development
- Onboard 3.7V MX1.25 lithium battery charging and discharging interface
- Onboard Micro SD card slot for flexible storage expansion and fast data transfer, suitable for data recording and media playback, simplifying circuit design
- 22-pin 2.54mm pitch through-hole pads are reserved to facilitate users to connect external modules or expand functions, improving development flexibility
Onboard audio codec chip
Supports high-quality audio processing, providing clear, high-quality audio input and output
Support AI voice interaction
Supports Xiaozhi AI and can be connected to online large model platforms, such as Doubao, DeepSeek and other AI models
IPS display panel
Excellent display performance, 16.7M colors, wide viewing angle
Capacitive touch
Applicable to the development of various intelligent devices and can realize human-computer interaction functions
Optional housing
This picture is for reference only. Please refer to the configuration list for detailed configuration
Supports ESP-IDF, Arduino
Complete SDK and open source tutorials are provided to make it easy to get started and can be quickly embedded into applications.
Supports Wi-Fi and BLE 5
ESP32-S3 integrates 2.4GHz Wi-Fi (802.11 b/g/n) and supports 40MHz bandwidth.
Its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh
Resource Introduction
- ESP32-S3R8
Wi-Fi and Bluetooth SoC, running at 240MHz, with 8MB of PSRAM on-chip
- Onboard patch antenna
Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE)
- TCA9554PWR
8-bit I2C GPIO expansion chip
- W25Q128JVSI
16MB Flash memory
- ES8311 DAC audio encoder chip
High-performance, low-power audio DAC
- ES7210 ADC audio decoding chip
High-performance, low-power audio analog-to-digital converter, supporting multiple microphone inputs
- QMI8658
Three-axis acceleration + three-axis gyroscope, can be used for posture perception, motion recognition and other applications
- Dual microphone array design
Dual digital microphone array supports richer voice interaction functions
- Micro SD card slot
Supports FAT32 formatted SD cards for data expansion
- RESET button (back)
Press and hold the BOOT button and click the RESET button to enter the download mode.
- PWR power button (back)
Cooperate with the program to realize power control under the condition of lithium battery power supply
- BOOT button (back)
Press and hold the BOOT button and click the RESET button to enter the download mode.
- MX1.25 2PIN speaker port (back)
Audio output signal, supports external speakers
- IPEX 1st generation transposon
Can be switched to use an external antenna by unsoldering a resistor
- 22PIN 2.54mm pitch through-hole pads
Connect external modules or expand functions
- Type-C port
Used for burning programs and log printing
- PCF85063
RTC clock chip, supports time keeping function
