Discover how to build a simple DIY projector using everyday materials like cardboard and a small flashlight or laser pointer. This easy step-by-step tutorial guides you through crafting a homemade ...

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, ...

Discover how to build a hand-powered water pump that also generates electricity to light up LEDs using everyday recycled ...

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] of ...

This is a library for the Arduino IDE that helps interface with ST's VL6180X time-of-flight distance and ambient light sensor. The library makes it simple to configure the sensor and read range and ...

Operating voltage: 3.3V .. 4.5V max Low current by power down: max 1uA I2C bus interface: max 400kHz Ambience light: ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Nancy Redd Shifts in the number of daylight hours — due to changing seasons or ...

Abstract: Contribution: This article describes how a peer learning strategy called student-led tutorials (SLTs) can improve student performance in an electromagnetism course (EM). This study provides ...

This project demonstrates a low-cost intelligent traffic signal system using Arduino and ultrasonic sensors to reduce congestion caused by fixed-timer traffic lights. Four HC-SR04 sensors detect ...