SPECIFICATION: NodeMCU LUA WiFi Module: Power input: 4.5V ~ 9V (10V MAX), USB-powered Communication interface voltage: 3.3V Current: continuous transmission: ≈70mA (200mA MAX), Standby: <200uA Drive Type: Dual high-power H-bridge driver Flash size: 4MByte No need to download resetting Wireless 802.11 b/g/n standard WiFi at 2.4GHz, support WPA / WPA2 security mode Antenna type: Built-in PCB antenna is available 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 Transfer rate: 110-460800bps Support UART / GPIO data communication interface Remote firmware upgrade (OTA) Support Smart Link Smart Networking Working temperature: -40 ℃ ~ + 125 ℃ ESP8266 has IO Pin SainSmart 2/8 Channels Relay: 5V Relay interface board, and each one needs 15-20mA Driver Current Equipped with high-current relay, AC 250V 10A ; DC 30V 10A Standard interface that can be controlled directly by micro-controller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) Indication LED’s for Relay output status WHAT’S IN THE PACKAGE 1x SainSmart 2/8 channels relay 1x NodeMCU LUA WiFi module
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