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 ...

Researchers at the University of São Paulo's São Carlos Engineering School (EESC-USP) are developing drones equipped with gas sensors and artificial intelligence systems to detect forest fires.

Build a simple LPG gas leakage detector using Arduino and MQ-5 sensor. This beginner-friendly project features buzzer and LED alerts, circuit diagram, and complete Arduino code for home safety.

Food safety assurance is crucial, particularly in identifying prohibited colors like brilliant blue (BB) that may pose significant health risks when used in food products. Surface plasmon resonance ...

Hydrogen gas leaks in a closed room can pose a fire hazard and poor air quality. The concentration of hydrogen gas of 4-75% in the air is highly flammable and can cause explosions. An electronic nose ...

“One key to one lock” hybrid sensor configuration is rationally designed and demonstrated as a direct effective route for the target-gas-specific, highly sensitive, and promptly responsive chemical ...

Humic acid (HA), a natural organic compound rich in carboxyl, phenolic hydroxyl, and quinone groups, was incorporated into hydrogels to enhance mechanical strength, antifreeze performance, UV ...

This Arduino code utilizes an ultrasonic sensor to measure distances. When an object is detected within a fix distance , the connected motors trigger a sequence: move backward, turn right, turn left, ...

Innovation in kitchen technology – Smart Stove is an Arduino-based safety system that automates cooking through timed servo control and built-in sensors for temperature, gas, smoke, and milk overflow ...