ITEM NAME:1Pc mini USB Nano V3.0 ATmega328P CH340G micro-controller board for arduino M&E For products, we only do the best, with the best quality in exchange for your satisfaction. Technical parameters of Arduino Nano: 1. 12 digital input/output ports D2-D13. 2. 8 analog input ports A0-A7. 3.1 A pair of TTL level serial port RX/TX. 4. Six PWM ports, D3, D5, D6, D9, D10, D11. 5. Using Atmel Atmega 328P-AU single chip computer. 6. Support USB download and power supply. 7. Supports external 3.3V-12V DC power supply. 8. Support lithium battery and 9V battery power supply. 9. Support ISP download. This product includes: Arduino Nano (CH340G) Development Board* 1PCS.Six PWM ports, D3, D5, D6, D9, D10, D11. 3.1 A pair of TTL level serial port RX/TX.