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(Good for Piso Wifi Wireless Subvendo)
NodeMCU V3 ESP8266 ESP-12E is a WiFi development board that helps you to prototype your IoT product with few Lua script lines, or through Arduino IDE. The board is based on the ESP8266 ESP-12E variant, unlike other ESP-12E, you won’t need to buy a separate breakout board, USB to serial adapter, or even solder it to a PCB to get started, you will only need a USB cable (Micro USB).
*Communication interface voltage: 3.3V.
*Antenna type: Built-in PCB antenna is available.
*Wireless 802.11 b/g/n standard
*WiFi at 2.4GHz, support WPA / WPA2 security mode
*Support STA/AP/STA + AP three operating modes
*Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX)
*D0 ~ D8, SD1 ~ SD3: used as GPIO, PWM, IIC, etc., port driver capability 15mA
*AD0: 1 channel ADC
*Power input: 4.5V ~ 9V (10VMAX), USB-powered
*Current: continuous transmission: ≈70mA (200mA MAX), Standby: <200uA
*Transfer rate: 110-460800bps
*Support UART / GPIO data communication interface
Remote firmware upgrade (OTA)
Flash size: 4MByte