• Working voltage: DC 5V.
  • Bluetooth: Bluetooth 4.2 BR / EDR and BLE standards
  • Support interfaces: UART, SPI, I2C, PWM
  • Support TF Card: Maximum support 4G
  • This module can be used in many Internet of Things applications, such as For example, smart home devices, industrial wireless control, wireless monitoring, wireless QR identification, wireless positioning system signals, and other Internet of Things applications.


  • Please allow 1-3 mm difference due to manual measurement.
  • Due to the different display and different light, the picture may not reflect the actual color of the item. Thank you for your understanding.
  • Package includes: 1 x ESP32-CAM-CH340 Bluetooth WIFI development board.


  • Product model: HW-818
  • Working voltage: DC 5 V.
  • Product size: 27 x 48.5 x 4.5 mm / 1.06 x 1.9 x 0.17 inches (without needle).
  • SPI Flash: Standard 32 Mbit
  • RAM: Internal 520 KB + External 4 MPSRAM
  • Bluetooth: Bluetooth 4.2 BR / EDR and BLE standards
  • Wi-Fi: 802 II b / g / n / e / i
  • Support interfaces: UART, SPI, I2C, PWM
  • Support TF card: Maximum supporting 4G
  • IO port: 9
  • Serial Interface Rate: Standard 115200 BPS
  • Image output format: JPEG (OV2640 only), BMP, GRAYSCALE
  • Spectrum range: 2412-2484 MHz
  • Antenna shape: PCB antenna, gain 2dBi
  • Transmission power:
  • 802.l1b: 17 + 2dBm (1lMbps)
  • 802.11g: 14 + 2 dBm (54 Mbps)
  • 802.l1n: 13 + 2 dBm (MCS7)
  • Download program:
    1. Set up the download software, select a program or burn files.
    2. Press the FLASH button (always press) and then connect the MICRO USB port of the module and the USB port of the computer via the USB cable.
    3. Download the software to select the correct download port and then download the FLASH button when the program started the download.

15 JD
Out of stock

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