D1 Mini Nodemcu Wifi Board ESP8266-12F CH340G WLAN ESP8266 micro-usb Lua module 3.3V 500MA for Arduino Az-delivery D1 Mini is a wifi card based on ESP-8266-12F micro-usb port. This WLAN card contains 9 pins digital input/output and all pins have interrupt/pwm/I2C/1-wire. Thanks to its ultra-compact design, the az-delivery D1 Mini NodeMcu with ESP8266-12F WLAN module can be easily stored decentrally. The az-delivery wireless D1 Mini development board is 100% compatible with D1 Mini and can be programmed in for Arduino-IDE.A CH340 chip is onboard for easy and convenient programming. This compact development board can be used for several different applications and projects due to its light weight and design. For example, it can measure air pressure, temperature and humidity with the az-delivery module BME 280 via its own web server via a WLAN connection. Material: ABSColor: as shown in the picture Package Contents:3 x Mini NodeMCU WiFi Board/5 x Mini NodeMCU WiFi BoardOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.