IoT Development Board With WIFI Chip Non-module OLED Brushable NodeMCU

Features Perfect support for Arduino and NodeMCU development environments Drivers are automatically installed on Win7 and above systems Lead out all ESP8266 pins and configure for read write IIC SPI mid range PWM and other functions Pin pitch 2 54 23mm can be used directly with breadboard Can charge lithium battery directly Integrated lithium battery charge and discharge circuit and interface on the board Specifications Main control chip ESP8266 Flash 32 M Bits OLED 0 91 inch 128x32 Working voltage 3 3 7V USB to interface chip Cp2102 Support modes softAp station softAp station WiFi Direct Working temperature 40 90C Output power 19 5dBm 11b 16 5dBm 11g 15 5dBm 11nPackage Included 1 x Development Board2 x 12 pin Header