REXQualis Nano V3.0, 3pcs Nano Board CH340 / ATmega328P with USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 with 3 Cable)
Brand: REXQualis

REXQualis Nano ch340 controller is a small, complete board based on the ATmega328. It is a smallest, complete, and breadboard friendly. It has everything that Diecimila/Duemilanove has (electrically) with more analog input pins and onboard +5V AREF jumper. Physically, it is missing power jack. The Nano is automatically sense and switch to the higher potential source of power, there is no need for the power select jumper.

√ REXQualis Nano V3.0 card is 100% compatible with the Nano card, and fully compatible with Windows, Mac and Linux operating system.
√ REXQualis Nano is a smallest, complete, and breadboard friendly board. It has everything that Diecimila/Duemilanove has (electrically) with more analog input pins and onboard +5V AREF jumper.
√ REXQualis Nano is Using Atmel Atmega328P-AU MCU, Support ISP download and USB download, Power via the Mini-B USB.
√ The Nano can be powered via the Mini-B USB connection, 7-12V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source.