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?
        
             
        
        
        
Answer:
<u>query,</u> <u>data mining </u>
Explanation:
A query can be explained as another term for question. 
If one needs additional information from some other person, he might have ask to him. Queries are used for the retrieval of the information.
In other words, one tries to find what have been prepared by others.
Data mining can be explained as the process that allows to sort through a large set of data for the identification of patterns.
In this process of data mining, one tries to find out the new patterns that may not be known at all.
 
        
             
        
        
        
There are different kinds of applications.  Control objects control the flow of the application. 
<h3>What works the flow of control in a program?</h3>
In computer, control flow or flow of control is known to be a type of an order function calls, instructions, and statements.
They are known to be used in the execution or in an evaluation when a specific program is running. Note that a lot of programming languages have the control flow statements, that helps to know the section of code is run in a program at any given time.
Learn more about application from
brainly.com/question/23275071
 
        
             
        
        
        
Answer:
At entry level of any job, the reading that is essential to know is "<u>User manual</u>" Reading.
Explanation:
In any company or the firm in which some one wants to start at entry level, He needs to know about different rules, components, machines and systems of the company. To fulfill this purpose he needs to read some documents related to operations and functionalities of above mentioned parameters.
<em>These documents are called User Manuals. It contains all necessary information related to the system that will be helpful for the user. In this document step by step process are mentioned to handle the machine or device that is very helpful for entry level employ.</em>
 
        
             
        
        
        
The best recommendation in the mentioned scenario would be a smart watch.
Answer: Option A.
Explanation:
The best device for a business owner who needs an access to chat as well as to be in touch with the home office would be a smart watch. A smart watch is similar to a mobile device, which is worn on a wrist and which has a touchscreen display. 
The benefits of smart watch are numerous. It makes us updated about everything without using our smartphone. The smart watch will help the business owner to engage with others and to handle his work at the same time.