DFRobot FireBeetle Covers Camera & Audio Media Board

DFRobot FireBeetle Covers Camera & Audio Media Board

DFRobotSKU: RB-Dfr-1473
Manufacturer #: DFR0498

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$28.03

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DFRobot FireBeetle Covers Camera & Audio Media Board
Integrates interfaces for camera, SD card, earphone, and microphone
Supports MP3 playback, recording, and photo capture with FireBeetle ESP32
Auto image control and quality enhancements with OV7725 camera
Delivers crystal-clear audio with NAU8822 CODEC
Mini MIC input for robust voice recording

The DFRobot FireBeetle Covers Camera & Audio Media Board is a multimedia device designed for Internet of Things (IoT) applications. It integrates interfaces for connecting a NAU8822 CODEC IIS, OV7725 camera, SD card, earphone, and microphone. The board supports direct connections and features a mini MIC input interface, enabling functionalities such as MP3 playback, recording, and photo capture when paired with FireBeetle main boards like the ESP32. Additionally, it can function as an Internet radio or cloud image recognition device when connected to the Internet.

Note: This media board only supports the FireBeetle ESP32 main board and does not support video shooting and transmission. Handle the cameras flat ribbon cable with care.

1x FireBeetle Covers-Camera&Audio Media Board (V1.0)
1x OV7725 Camera
2x 18pin-2.54mm Male Pin Header
2x 18pin-2.54mm Female Pin Header

FireBeetle Covers Camera Audio Board - Dimensions cropped

Operating Voltage: 3.7V~5.5V (VCC)
Output Voltage: 3.3V
User-defined Button: tested by IO16(DI)
RESET x1
SD Card:
            Bus Interface: SDIO Protocol
            Default Transmission Rate: 10 MHz
            Max. Transmission Rate: 20 MHz
Camera OV7725: (data as below is just for reference; some functions could not be realized by ESP32 now).
            Photosensitive/Light-sensitive Array: 640*480
            Optical Size: 1/6"
            Angle of View: 25°
            SCCB Standard Interface
            Output Pixel Format: Raw RGB，RGB(RGB4:2:2 ,RGB565/555/444)，YCbCr (4:2:2)
            Image Size: VGA,QVGA and CIF to 40x30
            VarioPixel Subsampling
            Auto Image Control: auto exposure control (AEC), auto gain control (AGC), auto white balance (AWB), auto band filter and auto black level (ABL) calibration.
            Image Quality Control: saturation, tone, gamma, clarity and anti-interference
            ISP: noise reduction and defect calibration
            Lens Shading Correction
            Auto Saturation Adjustment
            Frame Synchronization
            Fixed-focus
NAU8822:
            DAC:94dB SNR , -84db THD
            ADC:90dB SNR , -80dB THD
            Integrated BTL loudspeaker drive: 1W @ 8Ω
            Integrated earphone drive: 40mW @ 16Ω
            Integrated programmable microphone amplifier
            Typical Sampling Rate: 8KHz, 48KHz, 96KHz, 192KHz
            Standard Video Interface: PCM and I2S
MIC:
            Type: Electret Capacitor
            Output: analog
            Direction: omnidirectional
            Frequency Range: 100Hz~15KHz
            Sensitivity: -43dB ±5dB @ 94dB SPL
            Signal-to-noise Ratio: 58Db

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