Our Brands

WAVE-32373 ESP32-S3 Dev Board with 3.49" IPS Touch Display (172×640, Dual-Core ESP32-S3R8)

Manufacturer: Waveshare
Price:
US$49.82
WAVE-32373
Delivery within 2-3 weeks
+ −
Add to wish list

ESP32-S3 High-Performance Development Board With 3.49inch IPS Capacitive Touch Display, 172 × 640 Resolution, Integrated With ESP32-S3R8 Dual-core Processor

Features

The ESP32-S3-Touch-LCD-3.49 is a high-performance, highly integrated microcontroller development board designed by Waveshare. Onboard 3.49inch capacitive touch IPS display, highly integrated power management IC, 6-axis IMU (3-axis accelerometer and 3-axis gyroscope), RTC chip, low-power audio codec IC, echo cancellation circuit, and so on, which makes it easy for you to develop and integrate into the products quickly.

  • Equipped with ESP32-S3R8 Xtensa 32-bit LX7 dual-core processor, up to 240MHz main frequency
  • Supports 2.4GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE), with onboard antenna
  • Built-in 512KB of SRAM and 384KB ROM, with onboard 8MB PSRAM and an external 16MB Flash memory
  • Onboard 3.49inch IPS capacitive touch display for clear color picture display, 172 × 640 resolution, 16.7M color
  • Equipped with dual microphone array with noise reduction and echo cancellation circuit, suitable for accurate speech recognition and near/far-field wake-up
  • Built-in AXS15231B LCD & touch controller, using QSPI and I2C interfaces for communication respectively
  • Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gestures, counting steps, etc.
  • Onboard PCF85063 RTC chip for RTC functionality
  • Onboard PWR and BOOT programmable buttons for easy custom function development
  • Onboard 3.7V MX1.25 Lithium battery recharge/discharge header or 18650 Lithium battery holder
  • Onboard TF card slot for extended storage and fast data transfer, suitable for applications such as data recording and media playback, simplifying circuit design
  • Onboard audio codec: Supports high-quality audio processing, providing clear and high-quality audio input and output
  • Supports AI Speech Interaction: Allows access to online large model platforms such as DeepSeek, Doubao, etc.
  • Reserved 22PIN 2.54mm pitch through-hole pads for easy connection to external modules or functional expansion, enhancing development flexibility.
  • Supports ESP-IDF, Arduino IDE: Comprehensive SDK, Dev Resources, Tutorials To Help You Easily Get Started
  • IPS Display Panel: Excellent display performance, 16.7M color, wide viewing angle
  • Capacitive touch: Suitable for various smart device development, enabling human-machine interaction
 
LCD parameters
  • Display Panel: LCD
  • Resolution: 172 × 640
  • Brightness: 350 cd/m2
  • Display Interface: QSPI
  • Touch Interface: I2C
  • Display Size: 3.49 inch
  • Display Colors: 16.7M
  • Contrast Ratio: 1200:1
  • Driver IC: AXS15231B
  • Touch Type: Capacitive Touch

What’s On Board
  1. ESP32-S3R8
    1. Wi-Fi and Bluetooth SoC, up to 240 MHz operating frequency, with onboard 8 MB PSRAM.
  2. Onboard antenna
    1. Supports 2.4 GHz Wi-Fi (802.11 b/g/n) and Bluetooth 5 (LE).
  3. TCA9554PWR
    1. 8-bit I²C GPIO expansion chip.
  4. W25Q128JVSIQ
    1. 16 MB Flash memory.
  5. ES8311 DAC audio encoding chip
    1. High-performance, low-power audio DAC.
  6. ES7210 ADC audio decoding chip
    1. High-performance, low-power audio ADC, supports multiple microphone inputs.
  7. QMI8658
    1. 3-axis gyroscope and 3-axis accelerometer, suitable for applications such as altitude sensing and motion recognition.
  8. Dual microphone array design
    1. Dual digital microphones; supports more advanced voice interaction functions.
  9. TF card slot
    1. Supports FAT32-formatted TF card for data expansion.
  10. RESET button (back side)
    1. Press the BOOT, then click the RESET button to enter download mode.
  11. PWR power button (back side)
    1. Enables power control via software configuration when using a Lithium battery for power supply.
  12. BOOT button (back side)
    1. Press the BOOT, then click the RESET button to enter download mode.
  13. MX1.25 2-pin speaker header (back side)
    1. Audio signal output, for connecting external speaker.
  14. IPEX1 connector
    1. For connecting external antenna, enabled via resoldering an onboard resistor.
  15. 2×pin 2.54 mm pitch through-hole pads
    1. For connecting external modules and enabling functional expansion.
  16. Type-C port
    1. For program burning and log printing.
  17. PCF8563TS
    1. RTC clock chip, supports time retention.

 

Please Note: This is Case A and it comes with a 18650 Lithium Battery.