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, QVG, A, 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 at 8Ω
Integrated earphone drive: 40mW at 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 at 94dB SPL
Signal-to-noise Ratio: 58dB
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WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov.