Dear, I am litlebit new here. I 've got a problem with my MINI PRO. I am using it for a CLOCK. Every time I start and stop the Serial Monitor the Clock Initializes the program. Does any body know what causes the problem?

[image] stef69: Every time I start and stop the Serial Monitor the Clock Initializes the program On the UNO and most Arduino boards, the USB-Serial chip includes a DTR ("data terminal ready") line that goes low each time the USB connection is established with a host. This briefly pulls the Ar…

UNO initilize after start serial monitor

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jim-p August 15, 2025, 10:14am 3

That is how it works.
Starting the serial monitor resets the Pro mini.
Is it a problem?

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UNO initilize after start serial monitor

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