D1 R2 V2.1.0 WiFi Uno Module Based ESP8266 Module Geekcreit for Arduino - products that work with official Arduino board

Github Click here to openMore information Click here to openDescription Based on the ESP 8266EX Compatible you can use it on IDE NodeMcu Compatible11 Digital I O pins1 Analog Input pinOTA Wireless Upload Program On board switching power supply Max 24V input 5V 1A outputWhats new about V2 1 0Use BRT Bias Resistor Transistor easier into flash mode Optimize the circuit the system is more stable Package included 1 x D1 R2 V2 1 0 WiFi Uno Based ESP8266 For Nodemcu Compatible