Hi Guys. I am currently working with Arduino Nano but I cannot upload any code on it. I have been working with my Arduino UNO from the past 1 month and faced no problem. I Recently switched to Nano when the problem began. Primarily when I hit upload it gives the error : avrdude: ser_open(): can…

Guys its working now. I think it was a circuit problem.I re-soldered the headers on the pro mini and now it works!! Thank you everyone for their time.

Arduino IDE stuck on Uploading

Development Tools IDE 2.x

ptillisch August 26, 2023, 5:27am 22

I'm glad it is working now. Thanks for taking the time to post an update with your solution!

Regards,
Per

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Arduino IDE stuck on Uploading

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