It’s always nice to simulate a project before soldering a board together. Tools like QUCS run locally and work quite well for ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› by Rachel Cericola A smart doorbell camera allows you to see who’s on the other ...

This project involves using an Arduino to measure distances using an ultrasonic sensor and controlling a buzzer and LED based on the measured distance. The provided Arduino code performs the following ...

Gesture control robotics replaces traditional buttons and joysticks with natural hand movements. This approach improves user interaction and reduces mechanical dependency on physical controllers.

else if (h >= 1 && h < 2) { rr = x; gg = c; bb = 0; } else if (h >= 2 && h < 3) { rr = 0; gg = c; bb = x; } else if (h >= 3 && h < 4) { rr = 0; gg = x; bb = c; } else ...