: On Windows, right-click the Start button and select Device Manager . Look under "Ports (COM & LPT)" to see which COM port your Arduino is assigned to.
If your computer doesn't recognize your board (it shows up as "Unknown Device"), you likely need the CH340 driver. draivera dlia arduino skachat
To get your Arduino board working with your computer, you need to install the correct drivers so the software can "talk" to the hardware. Most modern Arduino boards use the or FTDI chips, while official boards often use the Arduino IDE 's built-in drivers. 1. Identify Your Arduino Chip : On Windows, right-click the Start button and