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ESP32-CAM-CH340 Development Board


The ESP32-CAM-CH340 Development Board can be widely used in various Internet of Things(IoT) applications, such as home intelligent devices, industrial wireless control, wireless monitoring, QR wireless identification, wireless positioning system signals and other Internet of Things applications.



  • Product model: HW-818
  • Working voltage: DC 5V
  • Product size: 27mm x 48.5 mm x 4.5 mm / 1.06” x 1.9” x 0.17”
  • SPI Flash: Default 32Mbit
  • RAM: Internal 520KB + External 4MPSRAM
  • Bluetooth: Bluetooth 4.2 BR/EDR and BLE standards
  • Wi-Fi: 802 II b/g/n/e/i
  • Support interfaces: UART, SPI, I2C, PWM
  • Supporting TF Card: Maximum Supporting 4G
  • IO port: 9
  • Serial port rate: default 115200 BPS
  • Image output format: JPEG (OV2640 only), BMP, GRAYSCALE
  • Spectrum range: 2412-2484 MHz
  • Antenna form: board PCB antenna, gain 2dBi
  • Transmitting power:
  • 802.l1b: 17 + 2dBm (1lMbps)
  • 802.l1g:14+2dBm (54Mbps)
  • 802.l1n:13+2dBm (MCS7)

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