Monthly Archives: December 2021

Using ffmpeg to take a snapshot with a webcam in Windows

I downloaded the BtbN Windows build of ffmpeg from here: https://github.com/BtbN/FFmpeg-Builds/releases The specific file I downloaded was: ffmpeg-n4.4.1-2-gcc33e73618-win64-gpl-4.4.zip (download) I extracted the zip file, then opened a command window in the “bin” folder where ffmpeg.exe was located and took a … Continue reading

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Using a serial byte sent from an Arduino to launch an application on the PC

One of my students is building an Arduino-based robotic system that needs to run a program on the PC to do some image capture. The Python script below bridges the gap. It opens a serial port (you need to specify … Continue reading

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