Forgetting to lock your computer when you move away is not always smart. There are already tools that can lock your computer automatically when you move away. This video shows how you can use your Myo wearable to do the job. You just have to double tap and make a fist to lock your Windows computer. The code and additional information about this hack is available on GitHub. Let’s not forget that you can use a Myo armband for home automation, drone control, virtual reality interaction, and more.