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Using Arduino Interfacing w/ Software on the Computer
1

Hey all,

I'm sending a signal to my Arduino Uno board via a Win32 C++ program. Would anyone know how I can check the time from when the signal is sent to the time the board receives it?

Thank You.

2

Let the Arduino echo the signal and let the C++ program measure the time, and divide it by two That should give you a fair approximation of the time needed.

This works in theory for any protocol you are using. It is the basis of the NTP protocol to synchronize computers time.