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 ...

Build a Fast Offline AI Assistant on a Raspberry Pi 5

Build a fast, private offline chatbot on Raspberry Pi 5 with the RLM AA50, 24 TOPS, and 8GB DDR4 to get instant voice replies ...
EurekAlert!

Low-cost visible light communication system achieves stable outdoor data transmission using LEDs

Researchers have developed a low-cost visible light communication (VLC) system using commercially available hardware that ...
NPR

How To Do Everything

Half advice show. Half survival guide. Half absurdity-fest. (Wait, how does this work again? We're not numbers people.) Each episode, we answer all your burning questions, from how to survive a public ...
Health.com

Red Light Therapy: How Many Sessions Do You Need?

Most people use red light therapy 2-5 times a week for 10-20 minutes. You can use red light therapy to increase melatonin and improve your sleep. Do not use red light therapy for longer than 30 ...