FITUR DAN SPESIFIKASI : * Model:ESP8266-12 ESP-12E * ISM 2.4GHz * PA +25dBm * 802.11b/g/n * This module requires a 3.3 volt supply for VCC, and 3.3V logic. * It is not 5V tolant,Connect RX or TX on 5V for Arduino will destroy this module. * You must use a logic level converter, or a 3.3V for Arduino * The 3.3V supply on the for Arduino Uno has inadequate current capabilit to power this module. * You must provide a separate,higher 3.3V supply(about 300mA or better)