The statement that Cascading style sheets (CSS) use special hypertext markup language (HTML) tags to globally define font characteristics for a variety of page elements as well as how those elements are laid out on a web page is true. <span> CSS is a stylesheet language used to describe the presentation of a document written in HTML or XML.</span>
You have a raspberry pi connected to all the sensors and a code running to trigger if the sensors are triggered. Each sensor and keypad would run to a different input on the pi. They should al be able to be powered with a single cell lipo. Is that what you are asking?
