The latest articles on DEV Community by Fl4ie (@fl4ie). https://dev.to/fl4ie https://media2.dev.to/dynamic/image/width=90,height=90,fit=cover,gravity=auto,format=auto/https:%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3672885%2Fba7822b2-164b-4cff-8f84-8185800bdb3a.jpg https://dev.to/fl4ie en Fl4ie Sun, 21 Dec 2025 16:53:20 +0000 https://dev.to/fl4ie/-8lc https://dev.to/fl4ie/-8lc <div class="ltag__link"> <a href="/fl4ie" class="ltag__link__link"> <div class="ltag__link__pic"> <img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Fuser%2Fprofile_image%2F3672885%2Fba7822b2-164b-4cff-8f84-8185800bdb3a.jpg" alt="fl4ie"> </div> </a> <a href="https://dev.to/fl4ie/17-yo-developerbuilding-weird-but-useful-toolshand-mouse-control-your-pc-with-just-your-hand-3hpa" class="ltag__link__link"> <div class="ltag__link__content"> <h2>17 y/o developer. Building weird but useful tools. Hand Mouse — control your PC with just your hand.</h2> <h3>Fl4ie ・ Dec 21</h3> <div class="ltag__link__taglist"> <span class="ltag__link__tag">#computervision</span> <span class="ltag__link__tag">#productivit</span> <span class="ltag__link__tag">#python</span> <span class="ltag__link__tag">#programming</span> </div> </div> </a> </div> computervision productivit python opensource Fl4ie Sun, 21 Dec 2025 16:50:32 +0000 https://dev.to/fl4ie/17-yo-developerbuilding-weird-but-useful-toolshand-mouse-control-your-pc-with-just-your-hand-3hpa https://dev.to/fl4ie/17-yo-developerbuilding-weird-but-useful-toolshand-mouse-control-your-pc-with-just-your-hand-3hpa <h2> 👋 Hi </h2> <p>I'm 17 years old and I built a small project to solve a very simple problem:</p> <blockquote> <p>I wanted to control my computer <strong>without touching a mouse</strong>, even while lying in bed.</p> </blockquote> <p>So I built <strong>Hand Mouse</strong> — a webcam-based mouse controller.</p> <h2> 🎯 What is Hand Mouse? </h2> <p>Hand Mouse lets you control your cursor using <strong>only your hand and a webcam</strong>.</p> <p>No extra hardware.<br><br> No gloves.<br><br> Just your camera.</p> <p>You can:</p> <ul> <li>Move the mouse with your index finger</li> <li>Click by pinching your fingers</li> <li>Double-click with a fist gesture</li> </ul> <h2> 🤔 Why did I build this? </h2> <p>I wasn’t trying to build something “cool”.</p> <p>I just wanted:</p> <ul> <li>To use my PC while lying down</li> <li>To avoid wrist strain</li> <li>A backup mouse when my real one broke</li> </ul> <p>After it started working surprisingly well, I decided to share it.</p> <h2> 🛠 How it works (simple explanation) </h2> <ul> <li>Uses real-time hand tracking</li> <li>Maps finger movement to screen space</li> <li>Smart smoothing to keep the cursor stable</li> <li>Click detection with freeze logic to avoid misclicks</li> </ul> <p>I spent a lot of time tuning it to feel:</p> <ul> <li>Smooth</li> <li>Responsive</li> <li>Not laggy</li> </ul> <p>GitHub repo:<br> 👉 <strong><a href="https://github.com/Fl4ie/Hand-Mouse" rel="noopener noreferrer">https://github.com/Fl4ie/Hand-Mouse</a></strong></p> <p>Feel free to:</p> <ul> <li>Try it</li> <li>Improve it</li> <li>Open issues</li> <li>Fork it</li> </ul> <h2> 🙏 Feedback </h2> <p>This is my first real project shared publicly.</p> <p>I’d love feedback:</p> <ul> <li>Does it feel useful?</li> <li>What would you add?</li> <li>Any ideas to improve usability?</li> </ul> <p>Thanks for reading!</p> computervision productivit python programming