Specifications:
Microcontroller: ATmega2560
IC Wi-Fi : ESP8266
USB-TTL converter: CH340G
Power Out: 5V-800mA
Power Input USB: 5V (500mA max.)
Power Input VIN/DC Jack: 9-24V
Power Consumption: 5V 800mA
Logic Level: 5V
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 : SerialOTA
Operating temperature :−40С°/+125С°
Dimensions:53.361×101.86mm
Buil-inexternal antenna