KeeYees Development Board WiFi WLAN Wireless Module for ESP8266 NodeMCU ESP-12E Compatible with Arduino (3pcs)

Data download access to the website: http://www.nodemcu.com Firmware link: https://github.com/nodemcu/nodemcu-firmware Parameters: Support wireless 802.11b/g/n standard Support three working modes of STA/AP/STA+AP Built-in TCP/IP protocol stack, supports multiple TCP Client connections (5MAX) D0~D8, SD1~SD3: used as GPIO, PWM, I2C, etc., port drive capability 15mA AD0: 1 channel ADC Power input: 4.5V~7V, support USB power supply Working current: continuous transmission: approximately equal to 70mA (200mA MAX), standby <200uA Transmission rate: 110-460800bps Support UART/GPIO data communication interface Package includes:  3 x Development Board KeeYees: Best choice in various Electronic Modules & Components, DIY Parts and Tools to support your work and design challenges from Home, School to Industrial applications!