IR Sensor - 2 (one for wear detection and another for drowsiness detection) MQ-3 Sensor - 1 (for alcohol detection) LED & Buzzer - 1 each (for warnings) Any battery source for powering the setup.

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 ...

In fact, that’s how it works: the take-up reel is on the shaft of a NEMA-17 stepper motor, which gets its instructions from an Arduino Nano and an A4988 motor driver. Our favorite part is the IR ...

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 ...

A research team led by Professor Huang Xingjiu at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences ...

Room-temperature waveguide-integrated photodetector using bolometric effect for mid-infrared spectroscopy applications. Light: Science & Applications , 2025; 14 (1) DOI: 10.1038/s41377-025-01803-3 ...

Other drivers must use alternate exits. The off-ramps will be closed individually in 1- to 2-hour intervals from Friday, June 6, until Sunday, June 8.

A Volvo EX90's lidar sensor was caught on video damaging a smartphone's built-in camera.; The lidar's lasers damaged the camera's telephoto lens, which fried certain pixels. Here's a PSA: Don't ...

More fun than a crossover, roomy, comfortable, efficient and importantly, it's got character and is likeable ...

Precision sensor supplier Micro-Epsilon has extended its non-contact laser distance sensor portfolio with a low cost unit that is even more robust and compact than its predecessor measuring distances ...

Micro-Epsilon has extended its non-contact laser distance sensor portfolio with a robust unit that can measure distances up ...