Humans spend about 80% of their time indoors, but keeping track of the air we breathe usually requires expensive lab-grade ...

Perpetual motion devices are either a gag, a scam, or as in the case of this particular toy that [Big Clive] bought on AliExpress, a rather fascinating demonstration of a contact-free inductive ...

This is a library for the Arduino IDE that helps interface with ST's VL53L4CD time-of-flight distance sensor. The library makes it simple to configure the sensor and read range data from it via I²C.

I'm completely obsessed with my Dyson V15 Detect vacuum. So much so that when friends visit, I whip out my trusty cordless to show off the little green laser that illuminates the dust and debris ...

Abstract: The distribution transformer is an important tool in the power system. During operation, the transformer produces vibrations indicated on its performance. Transformer monitoring based on the ...

Nowadays drinking and driving is the most common threat to their as well as others’ life. We cannot stop people from drinking but we can avoid these accidents by checking the person of drinking also ...

I recently had to build an infrared close proximity sensor that could tell if something was dropped in a parcel delivery drop box. After some searching, I ended up using a microcontroller and a piece ...

[Duncan McIntyre] lives in the UK but participated in a secret Santa gift exchange for his Dutch friends’ Sinterklaas celebration. In traditional maker fashion, [Duncan] went overboard and created a ...

Flexible piezoelectric sensors are essential to monitor the motions of both humans and humanoid robots. However, existing designs are either are costly or have limited sensitivity. In a recent study, ...