I have a 9VDC battery powered smoke alarm in my workshop and while you can hear it when it goes off in the workshop, you can’t hear it from upstairs or when nobody is at home. So I decided to retrofit an esp8266-01 to the smoke alarm to make it WiFi enabled so that it notifies me via SMS and email if the alarm goes off.… Read more
The MagPi Magazine team at RaspberryPi Org released a publication in 2016 titled: Simple Electronics with GPIO Zero.
This 100-page ebook takes you on a coding journey with physical computing projects written in Python a and using the GPIO Zero library.… Read more
Causes of Color (colour for non-US readers) is one of the exhibits in the WebExhibits online museum, that promotes discovery through all learning styles. WebExhibits is a public service of the Institute for Dynamic Educational Advancement (IDEA).
The exhibit on color has some great explanations about the causes and importance of color in society. … Read more