3Pcs Geekcreit® D1 Mini V2.3.0 WIFI Internet Of Things Development Board Based ESP8266 ESP-12S 4MB FLASH

Product Description: What's new about V2.3.0 Move the USB & Button to top. Features: 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0) 1 analog input(3.2V max input) a Micro USB connection Compatible with Arduino Compatible with Nodemcu lots of Shields Package included: 3 x D1 mini V2.3.0 6 x Long female pin 6 x Short female pin 6 x Normal pin