Arduino WiFi R3 ATmega 2560 + ESP8266Specifications: Microcontroller: ATmega2560 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: 54 Analog I O: 16 Memory Size: 256kb Data RAM Type Size: 8Kb Data ROM Type Size: 4Kb Interface Type: serial\OTA Operating
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