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Notice: This module requires minimum of 8 character password for network authentication. It won't throw an error if you don't do this, it just wont connect.
  • Arduino UNO R3 and the compatible board can directly connect to this module..
  • You can debug the module with the USB to TTL module, such as FT232RL, CH340G module.
  • Interface logic voltage: 3.3V / 5V compatible(On-board level shift circuit)
  • Working voltage: 4.5V - 5.5V (On-board 3.3v LDO Regulator)
  • Working current: 240mA(MAX)
  • Serial port baud rate: 115200 (default), can be modified to other values ​by AT command
  • Serial communication format: 8N1
  • On-board reset button
  • On-board switch to select UART mode or firmware update mode
  • Antenna Type: Built-in PCB antenna is available.
  • Wireless Network Mode: station / softAP / SoftAP + station
  • Wireless criteria: 802.11 b / g / n
  • Wi-Fi @ 2.4 GHz, support for WPA / WPA2 security mode
  • It is very easy to design projects by AT command
  • Applications: Home automation, sensor networks, industrial wireless control, smart car.


Product condition: New