ESP32 CAM Development Board OV2640 Module with ESP32-CAM-MB


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The ESP32-CAM is a small-size, low-power consumption camera module based on ESP32. It comes with an OV2640 camera and provides an onboard TF card slot.

The ESP32-CAM can be widely used in intelligent IoT applications such as wireless video monitoring, WiFi image upload, QR identification, and so on.

The ESP32-CAM suit for IOT applications such as:

  • Smart home devices’ image upload
  • Wireless monitoring
  • Intelligent agriculture
  • QR wireless identification
  • facial recognition


  • The connection to 5V is required for the programming.
  • Please make sure that the input power of the module is at least 5V 2A, otherwise the picture may have water lines.



  • WIFI module: ESP-32S
    • Processor: ESP32-D0WD
  • Built-in Flash: 32Mbit
  • RAM: Internal 512KB + External 4M PSRAM
  • Antenna: Onboard PCB antenna
  • WiFi protocol: IEEE 802.11 b/g/n/e/i
  • Bluetooth: Bluetooth 4.2 BR/EDR and BLE
  • WIFI mode: Station / SoftAP / SoftAP+Station
  • Security: WPA/WPA2/WPA2-Enterprise/WPS
  • Output image format: JPEG (OV2640 support only), BMP, GRAYSCALE
  • Supported TF card: up to 4G
  • Peripheral interface: UART/SPI/I2C/PWM
  • IO port: 9
  • UART baudrate rate: default 115200bps
  • Power supply: 5V
  • Operating temperature: -20 ℃ ~ 85 ℃
  • Storage environment: -40 ℃ ~ 90 ℃, <90%RH
  • Transmitting power:
    • 802.11b: 17 ±2dBm(@11Mbps)
    • 802.11g: 14 ±2dBm(@54Mbps)
    • 802.11n: 13 ±2dBm(@HT20,MCS7)
  • Receiving sensitivity:
    • CCK,1Mbps: -90 dBm
    • CCK,11Mbps: -85 dBm
    • 6Mbps(1/2 BPSK): -88 dBm
    • 54Mbps(3/4 64-QAM): -70 dBm
    • HT20,MCS7(65Mbps, 72.2Mbps): -67 dBm
  • Power consumption:
    • Flash off: 180mA@5V
    • Flash on and brightness max: 310mA@5V
    • Deep-Sleep: as low as 6mA@5V
    • Modern-Sleep: as low as 20mA@5V
    • Light-Sleep: as low as 6.7mA@5V
  • Dimensions: 40.5mm x 27mm x 4.5mm
  • Gross Weight: 0.008kg


    • Onboard ESP32-S module, supports WiFi + Bluetooth
    • OV2640 camera with flash
    • Onboard TF card slot, supports up to 4G TF card for data storage
    • Supports WiFi video monitoring and WiFi image upload
    • Supports multi sleep modes, deep sleep current as low as 6mA
    • Control interface is accessible via pinheader, easy to be integrated and embedded into user products

    Antenna selection

    Change the position of the following resistor to select the antenna to be used:
    The resistor is at position ① by default and uses the onboard antenna. The gain is 2db. If you need to use the external antenna, please modify the resistor to position ② by yourself.

    ESP32-CAM-MB Adapter



  • 1 x ESP32 CAM Development Board OV2640 Module with ESP32-CAM-MB
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