A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the concentration of carbon dioxide is around 400 ppm. This stands for “parts per ...

Raspberry Pi enthusiasts looking to build projects including an RFID scanner may be interested in a new tutorial by Instructables member Xeiverse to create a Raspberry Pi RFID Scanner with ease.

A Raspberry Pi can be found centric to 3D printers and other CNC machines—almost since the sale of the first Raspberry Pi. Wired had an article about it back in 2013! But can a Pi cut it as a CNC ...

Hackster.io member “t ps” has created an Internet of Things (IoT) Raspberry Pi rain checking system complete with a light sensor to provide a way of triggering other devices or code using the Amazon ...