- Pregnant cat delivery room warming boxDFRobot FireBeetle Covers Camera & Audio Media Board

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Description

  • 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