December 4, 2016

Arduino Error

I was making a project with my ping sensor, LCD screen and buzzer.

I was able to make the arduino so the LCD would display the distance of the object in front of the ping sensor successfully last week, but I wanted to add a buzzer so if something was within x cm of it, it would buzz.

However I am getting this error:

Code:
Sketch uses 3,162 bytes (9%) of program storage space. Maximum is 32,256 bytes.
Global variables use 67 bytes (3%) of dynamic memory, leaving 1,981 bytes for local variables. Maximum is 2,048 bytes.
[color=#FFA500]avrdude: ser_open(): can't set com-state for "\\.\COM3"
An error occurred while uploading the sketch[/color]

I have the COM3 port selected,
I have the right board selected too.

Any suggestions?

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