How do I control my computer with and Arduino UNO (like a mouse and keyboard)?
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Your post cannot be answered with the information you provided. You clearly have something in mind but you have not shared that with the forum members.
If you receive some sarcastic responses it is because we see this type of question very often. While we understand everyone has to learn in the beginning it still becomes frustrating to see it happen again.
Hi @jmooroof. The short answer is that you can't. You should use of of the Arduino boards that have native USB capabilities for this purpose. I will recommend the Arduino Leonardo, Arduino Micro, or Pro Micro. If you want something more advanced, Nano 33 IoT and MKR Zero are good options.
The technically correct answer is that it is possible, but very difficult, and even more very difficult if you don't have a real Uno but instead a cheap derivative board that uses the CH340 USB to serial chip. You can learn about this here:
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