This project implements a proximity-based LED indicator using an ultrasonic sensor. LED brightness varies smoothly with distance, using filtering and PWM to provide stable and responsive visual ...

Microcontrollers for Kids shows a classroom-tested path from Scratch to Open Roberta to Arduino UNO, with printable coding ...

This project utilizes an Arduino Uno CH340G development board paired with a DHT11 temperature and humidity sensor to create a compact yet capable environmental monitoring system. It measures ambient ...

In this video, glowing LED signs are created using the 2021 X-carve. The project includes the construction of one sign for personal use and two as Christmas gifts. Tools featured in the project ...

ROCK ISLAND, Ill. (KWQC) - A man was stabbed outside Project Now, a social-service organization, downtown Wednesday night, police said. Investigators said the confrontation began inside a tent and ...

In August of 1939, Albert Einstein sent a letter to U.S. President Franklin Delano Roosevelt, advising him that the process of nuclear fission could potentially be used to create a powerful atomic ...