As I've experimented and played with a lot of different sensors, I've discovered that these basic devices can be built for super cheap, and they're incredibly versatile. When you're done using an ...

📋 Abstract This system uses an Arduino UNO with smoke, flame, and temperature sensors (like MQ, KY-026, and DHT11) to detect early signs of fire. If any sensor detects danger—like smoke, high heat, ...

When light strikes the photodiode’s active region, current flows from cathode to anode. Ideally, this entire photocurrent ...

Hi, I'm Bill. I'm a software developer with a passion for making and electronics. I do a lot of things and here is where I document my learning in order to be able to inspire other people to make ...

Embedr is an AI-powered Arduino-like IDE designed to simplify development for Arduino-compatible microcontrollers. It looks ...

The magnetoreceptor captures electrical resistance information across the entire measurement domain, offering continuous ...

IGIS Tech Notes describe workflows and techniques or using geospatial science and technologies in research and extension. They are works in progress, and we welcome feedback and comments below.

Water-leak sensors, which keep you in the loop if your plumbing fixtures spring a leak, can prevent a small spill from becoming a big problem.

Drew Harwell is a technology reporter for The Washington Post. His work was honored by the Gerald Loeb Awards in 2024 and the George Polk Awards in 2021.

Temp_Humidity_Monitoring A smart home solution for monitoring temperature and humidity using ESP32, DHT11 sensor, and a web dashboard.