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 ...
The New York Times

The Best Parental Control Apps to Manage Screen Time (and Keep Your Kid Safer Online)

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Ellen Lee Ellen Lee is a ...
IEEE

Distributed Secondary Resilient Controller Design for Islanded AC Microgrids Under Stealthy Frequency Sensor Attack

Abstract: In this paper, the optimal power allocation and frequency restoration problem for islanded alternating-current (AC) microgrids (MGs) is addressed under false data injection (FDI) frequency ...
IEEE

Reduced-Sensor-Based Optimal Switching Sequence Model Predictive Current Control for Grid-Tied Inverter With LCL Filter

Abstract: This article presents an improved reduced-sensor-based optimal switching sequence model predictive current control (OSS-MPCC) algorithm for a grid-tied inverter with the LCL filter with only ...