To state the main idea of what you read in your own words
(D) Standard of living. Because, from this text you can tell that Leo is a wealthy person, and welthy people tend to get the best things, including fancy neighborhoods and Cars. So its most likely (D)
The answer is really simple. 7 x 7 = 49. 49/49 is 1. I hope this helps
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?
Fan
drive motor
diffuser
contraction section
test section