Go to the official manufacturer's website at WCH.cn to download the latest CH341SER.ZIP file. Extract: Unzip the downloaded folder on your computer.
, you need to download and install the correct USB-to-serial driver. This varies depending on whether you have an board or a clone (the most common type). 1. Identify Your Nano's Driver Type download arduino nano driver
Before downloading, look at the small chip on the underside of your board to see which driver you need: Go to the official manufacturer's website at WCH
To get your computer to recognize your Arduino Nano Go to product viewer dialog for this item. download arduino nano driver
Found on original Arduino Nanos and high-quality versions. It is typically a square chip with "FTDI" branding. 2. How to Download and Install For CH340 Clones (Most Common)