DFRobot FireBeetle Covers Camera & Audio Media Board

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. View more What's Included 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 Dimensions Specifications 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