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

A reliable indicator of the air quality in offices, classrooms, or living rooms is the CO2 content. In fresh air, the ...

Do You Need A Special Socket To Remove O2 Sensors?

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread ...
IEEE

Optimal Sensor Set for Decoding Motor Imagery from EEG

Abstract: Brain-computer interfaces can be used to operate devices by detecting a person's intention from their brain activity. Decoding motor imagery (MI) from electroencephalogram (EEG) signals is a ...
IEEE

A Recursive Method to Encryption-Decryption-Based Distributed Set-Membership Filtering for Time-Varying Saturated Systems Over Sensor Networks

Abstract: Dear Editor, This letter deals with the distributed recursive set-membership filtering (DRSMF) issue for state-saturated systems under encryption-decryption mechanism. To guarantee the data ...
Daily Express

Every new headline act at The O2 Arena will trigger donations for aspiring musicians

10:30, Tue, Dec 9, 2025 Updated: 10:31, Tue, Dec 9, 2025 Our campaign is urging all arena-sized shows to make a voluntary £1 donation from every ticket sold to support the grassroots and protect the ...
Time Out

Mumford and Sons at London’s O2 Arena: timings, set list, last-minute tickets and everything you need to know

Next summer Mumford and Sons will headline BST Hyde Park, one of London’s biggest music festivals, but before all that the stomp-clap-hey folk titans are touring Britain’s biggest arenas. The final ...
Time Out

Jamiroquai at London’s O2 Arena: timings, set list, last-minute tickets and everything you need to know

Funk and acid jazz band Jamiroquai have been going for well over three decades, but they haven’t played London for six years. That’s set to change this week, however, as Jay Kay and co will play two ...
Hindustan Times

Badshah set to be first Indian rapper to perform at London's iconic O2 Arena; see details inside

Badshah is set to perform at London's The O2 Arena in March 2026, making him the first Indian rapper to do so. Badshah is set to become the first Indian rapper to perform at The O2 Arena in London, ...