Arduino WiFi R3 ATmega 2560 + ESP8266

Specifications:

• 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 temperature: −40С°/+125С°
• Length×Width: 53.361×101.86mm
• Antenna: Buil-in\external antenna