ESP8266 ESP-12F D1 Mini V4.0.0 WeMos D1 TYPE-C WIFI Module Development Board Kit
ESP8266 ESP-12F WeMos D1 Mini New optimized circuit. 11 digital input / output pins, all pins support interrupt / pwm / I2C / single line (except D0). 1 analog input (3.2V max input). Spot Welder. Type-C USB port.