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Using a Rasberry Pi 4 as a Webcam

I wanted a way to share my video with my friends in a Discord call. Lacking a proper webcam, I needed some other way to capture myself on video. Fortunately, I happened to have a Raspberry Pi 4 and a camera module. Initially, I thought maybe I could just connect a USB cable directly between my Raspberry Pi and my computer and have my computer recognize the Pi as a camera with some software.