WAVE-30733, 3.5-inch Screen Capacitive Touch Display ESP32-S3 Development Board, 320×480

The Waveshare 30733 is the ESP32-S3-Touch-LCD-3.5 module without the case which is the ESP32-S3 3.5inch Capacitive Touch Display Development Board, with 320×480 Pixels, IPS Panel, 262K Color, Onboard Camera Interface, which supports Wi-Fi and Bluetooth 5 (does not include camera and case).

Part: ESP32-S3-Touch-LCD-3

Version Options: ESP32-S3-Touch-LCD-3.5 Standard version, without case
                            ESP32-S3-Touch-LCD-3.5-C with case and OV5640 camera

ESP32-S3-Touch-LCD-3.5
Integrated audio input and output, enabling AI interaction and offline voice control

Features

ESP32-S3-Touch-LCD-3.5 is a high-performance, highly integrated MCU board designed by Waveshare. Onboard 3.5inch capacitive touch IPS display, power management IC, 6-axis sensor (3-axis accelerometer and 3-axis gyroscope), RTC, low power audio codec, and so on, which makes it easy for you to develop and integrate into the products quickly.

Key features include:

• 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
• Type-C connector, improving device compatibility, easier to use
• Onboard 3.5inch capacitive touch display for clear color picture display, 320 × 480 resolution, 262K color
• Built-in ST7796 display driver and FT6336 capacitive touch chip, using SPI and I2C communication respectively, effectively saving the IO resources
• Onboard QMI8658 6-axis IMU (3-axis accelerometer and 3-axis gyroscope) for detecting motion gestures, counting steps, etc.
• Onboard PCF85063 RTC chip, powered by main Lithium battery through AXP2101 chip, with reserved RTC battery header for connecting a backup battery, ensuring RTC function during the replacement of the main battery
• Onboard PWR and BOOT programmable buttons for easy custom function development
• Onboard 3.7V MX1.25 Lithium battery recharge/discharge header
• Adapting I2C, UART, USB, and multiple GPIO pins, for connecting peripherals and debugging
• 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 camera interface, compatible with mainstream cameras such as OV2640 and OV5640
• Adopts AXP2101 IC for efficient power management, supports multiple voltage outputs, battery charging, battery management, and battery life optimization, etc.

Supports AI Speech Interaction
Allows access to online large model platforms such as DeepSeek, Doubao, etc.

Supports ESP-IDF, Arduino IDE
Comprehensive SDK, Development Resources, Tutorials To Help You Easily Get Started

Wi-Fi and BLE 5 support
ESP32-S3 integrates 2.4 GHz Wi-Fi (802.11 ax/b/g/n) with 40 MHz of bandwidth support,
its Bluetooth Low Energy subsystem supports Bluetooth 5 (LE) and Bluetooth Mesh

What's On Board

1. ESP32-S3R8
   The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, onboard 8MB PSRAM
2. Onboard antenna
3. W25Q128JVSIQ
   16MB NOR-Flash
4. Camera interface
   Supports mainstream cameras such as OV5640 / OV2640
5. TF card slot
6. IPEX 1 antenna connector
   Reserved connector, enabled via resoldering an onboard resistor
7. MX1.25 speaker header
8. BOOT button
9. RESET button
10. PWR button
11. AXP2101
    Highly integrated power management IC
12.  Charge indicator
13.  USB Type-C port
14.  ES8311
    Low power audio codec chip
15.  Power supply indicator
16.  Microphone
17.  SH1.0 RTC battery header
     for connecting rechargeable RTC battery
18.  MX1.25 Lithium battery header
     MX1.25 2P connector, for 3.7V Lithium battery, supports charging and discharging
19.  2.54mm pitch GPIO header
     Adapting available IO function pins for easy expansion
20.  PCF85063
     RTC chip
21.  QMI8658
     6-axis IMU includes a 3-axis gyroscope and a 3-axis acceleromete