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Arduino Nano V3.0, Nano Board CH340/ATmega328P Without USB Cable, Compatible with Arduino Nano V3.0
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- It 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.
- Nano's got the breadboard-ability of the Board and the Mini+USB with smaller footprint than either, so users have more breadboard space. It's got a pin layout that works well with the Mini or the Basic Stamp (TX, RX, ATN, GND on one top, power and ground on the other).
- 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.
- Usage: The Nano is 100% compatible with board, with the same chips ATmega328P and CH340 with the official version[A3]
- 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[A2]; selected to the highest voltage source.
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Input and Output
Each of the 14 digital pins on the Nano can be used as an input or output, using pinMode(), digitalWrite(), and digitalRead() functions. Some pins have specialized functions:
Serial: 0 (RX) and 1 (TX). Used to receive (RX) and transmit (TX) TTL serial data. These pins are connected to the corresponding pins of the CH340G USB chip.
The Nano is a small, complete, and breadboard-friendly board based on the ATmega328 (Nano 3.x). It has more or less the same functionality of the official UNO, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one.
You could download the driver of Nano V3.0 .ATTENTION:
We dont have USB cables in this kit and you will need to buy a mini USB cable to use this NANO board.
Package Include : 3 X Nano Board
PCB Size: 18 x 45 mm Weight: 7 g
Top reviews from the United States
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I had to manually program them using a usbasp programmer. Directly applying a sketch via the external programmer worked, most of the time. I also tried reflashing the bootloader. That worked for a while and even made the nanos programmable directly over USB. Eventually they would stop communicating -- serial.print and sketch upload would both fail -- and I'd have to reapply the boot loader via the usbasp to get things going again.
It's very frustrating. I don't think I'll buy another of these CH340 clones. If I hadn't built my project around this particular pinout, I'd have switched to direct-mounting a ATmega328P and regulator.
I accidentally shorted 5v to GND on one of them and that instantly fried the voltage regulator. It no longer powers up over USB, but you can still power it using the VIN pins, so be careful about that.