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KEYESTUDIO ESP8266 ESP-12F CH340G WiFi Module Board for Arduino NodeMcu +1M USB Cable /Development Board /Compatible with Networking

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This keyestudio ESP8266 WI-FI development board is based on the ESP8266-12FWIFI module developed by Ai-Thinker.

The processor ESP8266 integrates the industry-leading Tensilica L106 ultra-low-power 32-bit micro MCU in a smaller package, with 16-bit Lite mode. The main frequency supports 80MHz and 160 MHz.

It supports RTOS, integrated with Wi-Fi MAC/BB/RF/PA/LNA. Onboard comes with curved antenna.

This development board is a standalone network controller, which can add networking function to those existing devices.

When using, power the board and upload the program via a Micro USB port, and the current supply should be 2A.


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  • Microcontroller: ESP8266-12F
  • Operating Voltage: DC5V
  • Input Current: 2A
  • Main frequency supports 80 MHz and 160 MHz
  • Analog Input Pins: 1(A0)
  • Micro USB cable: 1m
  • Supports wireless 802.11 b/g/n standard;
  • Supports STA/AP two working mode;
  • Built in TCP/IP stack, can configure one socket;
  • Supports standard TCP/UDP Server and Client;
  • Serial port baud rate can be: 1200/2400/4800/9600/19200/38400/57600/74800/
  • 115200 bps;
  • Serial port data bit: 5/6/7/8 bit;
  • Serial port odd-even check: none;
  • Serial port stop bit: 1/2 bit;
  • 1 RESET button;
  • KEY button also has configuration function;
  • WiFi working current: continuous transmitting: ≈70mA (200mA MAX), stand by
  • mode: <200uA;
  • Wireless transmitting speed: 110-460800bps;
  • Working temperature: -40°C ~ +125°C
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