Sell 【Ready Stock】❆☽❍Allan NodeMcu Wireless Module CH340 V3 Lua WIFI Internet of Things Development Board best price

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