ITEM NAME:Node Mcu ELJ8266 V3 Lua CH340 WIFI Internet Development Board ModLJ Description: Uses CH340G instead of CP2102. NodeMCU has built-in USB-TTL serial with super reliable industrial strength CH340G for superior stability on all supported platforms. 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-.WiFi at 2.4GHz, support WPA / WPA2 security mode. Antenna type: Built-in PCB antenna is available. Remote firmware upgrade (OTA). Power input: 4.5V ~ 9V (10VMAX), USB-powered. Support UART / GPIO data communication interface.
