VS Arduino - vMicro Serial Monitor not communicating with Arduino RP2040

Jan 5^th, 2026 at 9:44am (UTC)

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VS Arduino › Visual Micro › Visual Studio 2019, 2022, 2026 › vMicro Serial Monitor not communicating with Arduino RP2040

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vMicro Serial Monitor not communicating with Arduino RP2040 (Read 1349 times)

HATA Newbies Offline Posts: 7 Joined: May 8^th, 2020	vMicro Serial Monitor not communicating with Arduino RP2040 Jul 29^th, 2022 at 11:39am	Print Post
	Hi I use Visual Studio 2022 with vMicro for my Arduino projects. Visual Studio, Windows 10 and Arduino IDE are all up to date. I wrote C++ projects for the Arduino Nano 33 IoT but now I obtained an Arduino RP2040 so I wanted to switch. The target (33 IoT or RP2040) is connected via USB. I can (compile and) LOAD my existing projects to my RP2040, without any problem. I'm also able to verify that the program works correctly, e.g. by 'blinking' the on board led. BUT once the program is running, the vMicro Serial Monitor simply indicates "port open", but NO communication takes place. Nothing happens. Of course the correct COM port (clearly labeled as "... RP2040 connect") is selected. When I close the vMicro Serial monitor, I start the genuine Arduino IDE (outside of Visual Studio), reset the board and open the Arduino Serial Monitor ... the port actually communicates. Doing the opposite (closing Arduino Serial Monitor, resetting the board and opening VS vMicro Serial Monitor again)... same situation. No communication any more. With the Nano 33 Iot or other boards, I don't have these issues. Attached is the Micro build output, as requested by the forum. Please let me know if any information is missing. Could anyone please help me out ? Many thanks. Best regards Herwig

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Simon@Visual Micro Administrator Offline Posts: 2830 Joined: Feb 13^th, 2019	Re: vMicro Serial Monitor not communicating with Arduino RP2040 Reply #1 - Jul 29^th, 2022 at 11:50am	Print Post
	Thanks for the report. Do you have the Dtr button enabled at the bottom of the serial monitor in Visual Micro?


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HATA Newbies Offline Posts: 7 Joined: May 8^th, 2020	Re: vMicro Serial Monitor not communicating with Arduino RP2040 Reply #2 - Jul 29^th, 2022 at 12:05pm	Print Post
	Hello Simon You make me feel EXTREMELY silly Case solved. Many thanks for your fast reply. I will close the issue now. Thanks again.


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