ESP32-S3 3.5inch Capacitive Touch Display Development Board, 320×480 Pixels, IPS

ESP32-S3-Touch-LCD-3.5 Integrated audio input and output, enabling AI interaction and offline voice control Version Options ESP32-S3-Touch-LCD-3.5 Standard version, without case ESP32-S3-Touch-LCD-3.5-C with case and OV5640 camera LCD Parameters Display Panel IPS Display Size 3.5 inch Resolution 320 × 480 pixels Display Colors 262K Brightness 220cd/㎡ Contrast Ratio 1100:1 Communication Interface SPI Driver IC ST7796 Touch Type Capacitive Touch IC FT6336 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 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 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. Capacitive touch Suitable for various smart device development, enabling human-machine interaction IPS Display Panel Excellent display performance, 262K color, wide viewing angle Onboard audio codec Supports high-quality audio processing, providing clear and high-quality audio input and output Supports OV5640 and other mainstream cameras Optional for OV5640 5MP camera module, suitable for image capture, video monitoring and other applications to meet different needs * The OV5640 5MP camera module is only included in the ESP32-S3-Touch-LCD-3.5-C version. Supports ESP-IDF, Arduino IDE Comprehensive SDK, Dev 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 ESP32-S3R8 The SoC with WiFi and Bluetooth, up to 240MHz operating frequency, with onboard 8MB PSRAM Onboard antenna W25Q128JVSIQ 16MB NOR-Flash Camera interface Supports mainstream cameras such as OV5640 TF card slot IPEX 1 antenna connector Reserved connector, enabled via resoldering an onboard resistor MX1.25 speaker header BOOT button RESET button PWR button AXP2101 Highly integrated power management IC Charge indicator USB Type-C port ES8311 Low power audio codec chip Power supply indicator Microphone SH1.0 RTC battery header for connecting rechargeable RTC battery MX1.25 Lithium battery header MX1.25 2P connector, for 3.7V Lithium battery, supports charging and discharging 2.54mm pitch GPIO header Adapting available IO function pins for easy expansion PCF85063 RTC chip QMI8658 6-axis IMU includes a 3-axis gyroscope and a 3-axis accelerometer Pin Definition Outline Dimensions ESP32-S3-Touch-LCD-3.5 ESP32-S3-Touch-LCD-3.5-C Resources & Services Wiki: www.waveshare.com/wiki/ESP32-S3-Touch-LCD-3.5 Package Content ESP32-S3-Touch-LCD-3.5 x1 (without case) 6Ω 1W speaker x1 1 2