DFRobot FireBeetle Covers Camera & Audio Media Board
$24.08
Description
Description
- 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
- 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 40×30
            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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