Detail WeMos D1 mini NodeMcu Lua WIFI arduino IOT based on ESP8266
1. Use BRT (Bias Resistor Transistor), easier into flash mode. 2. 30% increase in radiating area, more stable.
The D1 mini is a mini wifi board based on ESP-8266EX. ESP-12F # 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0) # 1 analog input(3.3V max input) # a Micro USB connection # Compatible withArduino # Compatible with nodemcu