Introduction: CH340 Driver Problem With Arduino Nano

By The LittleBots Website
About: At LittleBots we are creating 3D Printed Robot Kits that get Kids excited about robotics and STEM

Sometimes windows computers will not be able to communicate with Arduino Nano boards which were manufactured in China. This is due to to a driver issue and is simple to fix.

You must download and install the CH340 driver from the link below.

http://www.wch.cn/download/CH341SER_EXE.html

Unzip and Install the Driver.

Step 1: Check the COM Ports

If you open that Arduino IDE or LittleArm GUI you should now be able to see an Additional COM port listed in your USB options.

That is all there is to it.