Specifications Microcontroller ATmega328 IC Wi-Fi  ESP8266 USB-TTL converter CH340G Power Out 5V-800mA Power IN. USB 5V (500mA max.) Power IN. VIN/DC Jack 9-24V Power Consumption 5V 800mA Logic Level 5V Wifi Wi-Fi 802.11 b/g/n 2.4 GHz USB Micro USB Clock Frequency 16MHz Operating Supply Voltage 5V Digital I/O 14 Analog I/O 6 Memory Size 32Mb Interface … Continue reading UNO+WiFi R3 ATmega328P+ESP8266, 32Mb flash, USB-TTL CH340G, Micro-USB