I have an arduino controlling a stepper motor and a camera. The camera is plugged into its own mains power adapter which is 9V 1A. I want the camera to use the same power rail on the arduino which is using a 12V 1A power adapter, as I want to save clutter with cables. How do I step down the 12V 1…

Step down 12V 1A to 9V 1A

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