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

Diabetes affects millions of Americans, and many don’t even realize they have it. Instead of relying on costly and ...

M5Stack Air Quality Kit v1.1 is an ESP32-S3-based air quality monitor equipped with Sensirion SEN55 and SCD40 sensors capable of monitoring PM1.0, PM2.5, PM4, PM10 particulates, temperature, humidity, ...

check the oil every tank fill, dealer advised if it dropped too far it would scrap the timing chain, interference engine lock up. a 6 inch strip of paint blistered off the roof, the rear deck won't ...

All the information is transmitted wirelessly to an online dashboard, where live charts and air quality indexes are updated ...

Abstract: In a shopping mart, imagine ten people waiting in line. If the first five people have many items in their carts, the last person with only one or two items may wait a long time to pay. To ...

Abstract: When a code disk of a displacement sensor is exposed to dust or other impurities, it causes distortion of the grating moiré fringe signal, and thereby provides wrong displacement information ...

First we want to generate the 134.2kHz carrier frequency for the reader. We can do that by using any of the Arduino's PWM-capable timers to generate a square wave. Arduino timers can only achieve a ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.