10PCS D1 Mini V4.0.0 WiFi ESP8266 ESP-12 WeMos Development Board TYPE-C
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). Type-C USB port.