REES52 8-Channel Relay NodeMCU LUA WiFi Module IOT Starter Kit for Arduino Micro Controller Board Electronic Hobby Kit

Specification: Nodemcu lua wifi module: Power input: 4.5v - 9v (10v max), usb-powered communication interface voltage: 3.3v current: Continuous transmission: ˆ70ma (200ma max), standby: 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 ƒ - + 125 ƒ esp8266 has io pin rees52 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 rees52 8 channels relay 1x nodemcu lua wifi module.