Arduino Nano CH340 Chip

Tech specs

·       Microcontroller Atmel ATmega328

·       Operating Voltage (logic level)  5 V

·       Input Voltage (recommended)    7-12 V

·       Digital I/O Pins 14 (of which 6 provide PWM output)

·       Analog Input Pins         8

·       DC Current per I/O Pin  40 mA

·       Flash Memory   32 KB (ATmega328) of which 2 KB used by bootloader

·       SRAM  2 KB (ATmega328)

·       EEPROM         1 KB (ATmega328)

·       Clock Speed     16 MHz

·       Dimensions      0.73? x 1.70?