Arduino Uno Rev3 with CH340 Uploader

Technical Specifications Microcontroller ATmega328P Serial to USB Converter CH340 Operating Voltage 5V Input Voltage 7-12V Digital I/O Pins 14 PWM I/O Pins (Shared with Digital I/O) 6 Analog Input Pins 6 DC Current per I/O Pin 20mA DC Current which can be drawn from 3.3V Pin 50mA Flash Memory 32 KBytes SRAM 2 KBytes EEPROM 1 KBytes Clock Speed 16MHz Built-in LED Attached to digital I/O Pin 13 USB Connector Style B-Type Female Board Dimensions (PCB) 68.8 x 53.4mm (2.7 x 2.1″) Board Dimensions (with connector overhang) 77 x 53.4mm (3 x 2.1″) Mfr China