... **o Nano technology parameters :1.14 digital input / output port TX , RX, D2 ~~ D132.8 analog input ports A0 ~ A7Of 3.1 pairs ... , D3 , D5 , D6, D9, D10, D115. Atmel Atmega328P-AU microcontroller6 USB download and power7. Support for external 5V ~ 12V DC power ... battery powered9 support ISP download10 three power supply : USB , VIN, external 5V input Packing 1 has been burning the bootloader Arduino Nano ...