ESP32-S3 AI Camera Module

SKU: DFR1154

The ESP32-S3 AI CAM is an intelligent camera module designed around the ESP32-S3 chip, tailored for video image processing and voice interaction. It is suitable for AI projects such as video surveillance, edge image recognition, and voice dialogue. The ESP32-S3 supports high-performance neural network computation and signal processing, equipping the device with powerful image recognition and voice interaction capabilities.

Overview of ESP32-S3 AI CAM
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    Basic Parameters

    Parameter Value
    Operating Voltage 3.3V
    Type-C Input Voltage 5V DC
    VIN Input Voltage 3.7-15V DC
    Operating Temperature -10~60°C
    Module Dimensions 42*42mm

    Camera Specifications

    Parameter Value
    Sensor Model OV3660
    Pixel 3 Megapixels
    Sensitivity Visible light, 940nm infrared
    Field of View 160°
    Focal Length 0.95
    Aperture 2.0
    Distortion <8%

    Hardware Information

    Parameter Value
    Processor Xtensa® Dual-core 32-bit LX7 Microprocessor
    Main Frequency 240 MHz
    SRAM 512KB
    ROM 384KB
    Flash 16MB
    PSRAM 8MB
    RTC SRAM 16KB
    USB USB 2.0 OTG Full-Speed Interface
    Wi-Fi
    Parameter Value
    Wi-Fi Protocol IEEE 802.11b/g/n
    Wi-Fi Bandwidth 2.4 GHz band supports 20 MHz and 40 MHz bandwidth
    Wi-Fi Modes Station Mode, SoftAP Mode, SoftAP+Station Mode, and Promiscuous Mode
    Wi-Fi Frequency 2.4GHz
    Frame Aggregation TX/RX A-MPDU, TX/RX A-MSDU
    Bluetooth
    Parameter Value
    Bluetooth Protocol Bluetooth 5, Bluetooth Mesh
    Bluetooth Data Rates 125 Kbps, 500 Kbps, 1 Mbps, 2 Mbps

    Pinout

    On-board Function Diagram

    Pin & Component Description

    Label Description
    OV3660 160° wide-angle infrared camera
    IR Infrared illumination (GPIO47)
    MIC I²S PDM microphone
    LED Onboard LED (GPIO3)
    ALS LTR-308 ambient light sensor
    ESP32-S3 ESP32-S3R8 chip
    SD SD card slot
    Flash 16 MB Flash
    VIN 3.7–15 V DC input
    HM6245 Power management chip
    Type-C USB Type-C interface for power supply and firmware upload
    Gravity (+) V1.0: 3.3–5 V input
    V1.1: 3.3 V output
    Gravity (−) GND
    Gravity 44 GPIO44 (native RX on ESP32-S3)
    Gravity 43 GPIO43 (native TX on ESP32-S3)
    RST Reset button
    BOOT BOOT button (GPIO0)
    SPK MX1.25-2P speaker interface
    MAX98357 I²S audio amplifier chip

    On-board Function Pin Definition

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  • FAQ

    • Are there any customer reviews or in-depth evaluations available for the ESP32-S3 AI Camera Module?

      Yes! A detailed customer review of the ​ESP32-S3 AI Camera Module is available here: YouTube Review

    • What protocol does the MIC use?

      The MIC uses the PDM protocol. For more parameters of the MIC, please refer to the datasheet: https://dfimg.dfrobot.com/5d57611a3416442fa39bffca/wiki/d2c58ceeebf0ab6a527b0c37c0ef525e.pdf

    • What is the specification of the speaker interface? What parameters of speaker are supported?

      The speaker interface uses an MX1.25mm interface, and the recommended speaker parameters are 4R1.5W and 8R1W.

    • Can the EdgeImpulse object classification model be customized?

      Yes, it is supported. Please refer to the training method at: https://wiki.dfrobot.com/EdgeImpulse_Object_Detection

    • What are the parameters of the infrared fill light?

      The maximum power of a single LED is 75mW, the minimum radiation intensity is 5mW/sr, and the standard radiation intensity is 7mW/sr.

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