How to build your own air quality meter with a Raspberry Pi and CO2 sensor

In winter, it’s important to ventilate living and working spaces regularly. Here’s how to make a homemade measuring station ...
FlightGlobal

Operators of IAI-converted cargo 747-400s told to check oxygen hoses for chafing

Safety regulators have instructed operators of certain Israel Aerospace Industries converted Boeing 747-400 freighters to ...
IEEE

A Robust Energy Management Circuit for Energy Harvesting From Wideband Low-Acceleration Vibrations in Wireless Sensor Screws

Abstract: Enabling broad use of electromagnetic energy harvesting in wireless sensor screws requires robust systems that work with weak vibrations and varying frequency profiles. This contribution ...
IEEE

A Wideband Vector-Modulated Phase Shifter With Complementary Gain Control Topology

Abstract: This letter presents the design and analysis of a wideband active vector-sum phase shifter in a 22-nm fully depleted silicon-on-insulator (FD-SOI) CMOS process. The phase shifter consists of ...