Write a program that lights an LED attached to pin 3. The LED should turn off after a button attached to pin 4 has been pushed 3 times. Assume the button is wired active low. Assume there is at least 1/4 second between button presses.
I am just looking for the code but if you also have a model for the Arduino that would be great too.
Answers
Here's the Arduino code that lights an LED attached to pin 3. The LED should turn off after a button attached to pin 4 has been pushed 3 times:```
//Define the pinsint LED = 3;int button = 4;int buttonState = 1;int counter = 0;//The setupvoid setup() { pinMode(LED, OUTPUT); pinMode(button, INPUT);}//The loopvoid loop() { buttonState = digitalRead(button); if (buttonState == 0) { delay(250); if (buttonState == 0) { counter++; } } if (counter >= 3) { digitalWrite(LED, LOW); } else { digitalWrite(LED, HIGH); }}```
In the code above, the `LED` variable represents the pin number of the LED, while `button` variable represents the pin number of the button. The `buttonState` variable represents the state of the button. It is initialized to 1 because the button is active low, and it will read 0 when the button is pressed. The `counter` variable keeps track of the number of times the button has been pressed. The `setup()` function is used to initialize the input and output pins, while the `loop()` function contains the main logic of the program.
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Related Questions
many phone fraud scammers are expessily cunning because they approach the target to try to sell
Answers
Answer:
improved computer security programs
Explanation:
Answer:
Improved computer security programs.
Explanation:
Just took the quiz
Which of the following is an example of a gadget?
A) Calendar
B) Paint
C) Sticky Notes
D) Run
Answers
Answer:
STICK NOTE
Explanation:
Fill in the blanks
1. A group of computers connected with each other, make a ____________ .
2. A computer or a device connected to a network is called __________ .
Answers
Answer:
1.Local Area Network
2.network host
And the second it could be network host
tiền tệ ra đời là kết quả
Answers
bruuh, wht is this man saying
For ul elements nested within the nav element, set the list-style-type to none and set the line-height to 2em.
For all hypertext links in the document, set the font-color to ivory and set the text-decoration to none.
(CSS)
Answers
Using the knowledge in computational language in html it is possible to write a code that For ul elements nested within the nav element, set the list-style-type to none and set the line-height to 2em.
Writting the code:<!doctype html>
<html lang="en">
<head>
<!--
<meta charset="utf-8">
<title>Coding Challenge 2-2</title>
</head>
<body>
<header>
<h1>Sports Talk</h1>
</header>
<nav>
<h1>Top Ten Sports Websites</h1>
<ul>
</ul>
</nav>
<article>
<h1>Jenkins on Ice</h1>
<p>Retired NBA star Dennis Jenkins announced today that he has signed
a contract with Long Sleep to have his body frozen before death, to
be revived only when medical science has discovered a cure to the
aging process.</p>
always-entertaining Jenkins, 'I just want to return once they can give
me back my eternal youth.' [sic] Perhaps Jenkins is also hoping medical
science can cure his free-throw shooting - 47% and falling during his
last year in the league.</p>
<p>A reader tells us that Jenkins may not be aware that part of the
least-valuable asset.</p>
</article>
</body>
</html>
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Write a program that creates a 4 x 5 array called numbers. The elements in your array should all be random numbers between -30 and 30, inclusive. Then, print the array as a grid.
For instance, the 2 x 2 array [[1,2],[3,4]] as a grid could be printed as:
1 2
3 4
Sample Output
18 -18 10 0 -7
-20 0 17 29 -26
14 20 27 4 19
-14 12 -29 25 28
Note: the numbers generated in your program will not match the sample output, as they will be randomly generated.
I cant seem to get this code..
Answers
Here's an example Python code that generates a 4 x 5 array of random numbers between -30 and 30 and prints it as a grid:
python
Copy code
import random
# create a 4 x 5 array called numbers
numbers = [[random.randint(-30, 30) for j in range(5)] for i in range(4)]
# print the array as a grid
for i in range(4):
for j in range(5):
print(numbers[i][j], end=' ')
print()
This code first imports the random module to generate random numbers. It then creates a 4 x 5 array called numbers using a nested list comprehension that generates random integers between -30 and 30 for each element of the array. Finally, it prints the array as a grid using nested loops, with each element separated by a space and each row on a new line.
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Which problem would best be solved by using the engineering design
process?
OA. A group of people needing a way to quickly groom a dog
OB. An artist trying to paint a masterpiece
OC. A college student whose computer won't turn on
OD. A child with a broken toy horse made of wood
Answers
Answer:
D
Explanation:
Drag the tiles to the correct boxes to complete the pairs.
Match the term to its use in creating perspective.
intum All rights resena
placement
size
Lines merging into a distance create
an illusion of depth.
The position of a shape relative to the
horizon affects your perception of depth.
Adds spatial depth to a shape.
color
A smaller shape, placed appropriately,
appears more distant than a similar
larger shape.
converging lines
Answers
Answer:
1. Converging lines
2. Placement
3. Color
4.Size
Explanation:
What is the sticker price for a vehicle with these features and costs: suggested retail price of $15,150, destination charge of $359, equipped with air conditioning, tinted window, and a custom sound system for $800, $210, and $490, respectively?
Answers
The sticker price of a vehicle is an important factor to consider when purchasing a car. It is the total cost that includes the suggested retail price and additional charges for any features or options. The sticker price for the vehicle with all the given features and costs is $17,009.
To determine the sticker price for a vehicle with the given features and costs, we need to add the suggested retail price of $15,150, the destination charge of $359, and the costs of the added features - air conditioning for $800, tinted window for $210, and a custom sound system for $490.
So, the total cost would be:
$15,150 (suggested retail price)
+ $359 (destination charge)
+ $800 (air conditioning)
+ $210 (tinted window)
+ $490 (custom sound system)
= $17,009
Therefore, the sticker price for a vehicle with these features and costs would be $17,009.
In conclusion, it is important to consider the sticker price when purchasing a vehicle. By adding the suggested retail price, destination charge, and any additional costs for features, we can determine the total cost and sticker price for a vehicle.
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What is the distance from the end of the pin to the center of the hole?
Answers
Answer:
Roughly 7/8 on the pinhole, roughly 2-1/4" from the pinhole to end of the adapter.
Explanation:
Which of the following is the fastest computer processing speed?
Group of answer choices
bytes
megahertz
megabytes
gigahertz
Answers
Explanation: One megahertz is equal to one million cycles per second, while one gigahertz equals one billion cycles per second.
This means a 1.8 GHz processor has twice the clock speed of a 900 MHz processor.
puter Science (IS)
2
3
Complete the sentence.
A
covers several adjacent buildings of a school and business.
Answers
Answer: Campus Area Network
Explanation: Got it right on Edge.
Answer:
Camus Area Network
Explanation:
Just did it Edg 21/22
1. Which of the following is the closest definition of embedded systems?
-a software that performs a specific function
-devices that perform multiple tasks
-hardware designed to perform a distinctive function*
-the combination of hardware and software designed for a specific purpose
2.Select the function of keypunches that were used as one of the earliest input devices.(1 point)
-It was used for punching holes in the paper at relevant positions for the computer to understand the instructions.
-It was used to control the cursor on the screen.
-It was used to press the buttons feed information into the computer.*
-It was used to insert one character on the paper at a time.
3.Which of the following set defines the storage devices?(1 point)
-magnetic disks, optical disks, flash drive, SSD, and floppy disk*
-floppy disk, magnetic disks, SSD, and mouse
-typewriter, SSD, and mouse
-SSD, optical disks, and keypunches
4. What does computational thinking involve?(1 point)
-breaking down complex problems into smaller pieces for easy resolution
-thinking like a computer
-disregarding non-essential information*
-hiding unnecessary details from the user
5.What is a complex problem?(1 point)
-a problem that can only be resolved using a computer
-a problem with no obvious or immediate resolution
-a problem that requires multiple computers to resolve
-a problem that requires collaboration*
Answers
The option that is the closest definition of embedded systems is option d: the combination of hardware and software designed for a specific purpose.
The function of keypunches that were used as one of the earliest input devices is that It was used for punching holes in the paper at relevant for the computer to understand the instructions.
The set that defines the storage devices are magnetic disks, optical disks, flash drive, SSD, and floppy disk*
Computational thinking involve breaking down complex problems into smaller pieces for easy resolution.
A complex problem is a problem with no obvious or immediate resolution.
What is an embedded systems?An embedded system is known to be a kind of a system that is said to be the combination of both the computer hardware and that of the software and it is one that is set up for a specific function.
Note that the Embedded systems may function inside a larger system and thus The option that is the closest definition of embedded systems is option d: the combination of hardware and software designed for a specific purpose.
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1. An Expert System Mimics human expert in a particular area and as an example of making decision for credit card approval True or false 1. Heuristic means Rule of Thumb; meaning intution and gut feeling and human can earn it by experience and it is difficult to formulate it for a computer. True or false 1. There was a software crisis in 1968, as result of programming abilities, due to the invention of integrated circuits (chips). True or false 1. The way a program is proceed is know as control flow and are :Sequence(one line after the other), Decision-making(either this or that), and Repetition( going back and start again). True or false
Answers
Expert systems are often used in fields where there is a need for highly specialized knowledge or expertise, such as medicine, finance, and engineering. They can be an effective way to provide expert-level guidance or support to people who may not have the same level of knowledge or experience in a particular domain.
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What is nail punch in your own words?
Answers
Answer:
in my own words
nail punch
a punch for driving the head of a nail below or flush with the surrounding surface
Explanation:
Sana po naka tolung
correct me if im wrong thanj you
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The Caesar Cipher is one of the oldest forms of encryption. It certainly has its trade-offs when compared to other encryptions.
Make sure you’ve spent time exploring the previous examples that show the encryption, decryption, and cracking of a Caesar Cipher, then answer the following questions:
What are some of the advantages of using a Caesar Cipher?
What are some of the disadvantages of using a Caesar Cipher?
Does the Caesar Cipher use the symmetric encryption model, or the asymmetric encryption model? Explain your answer.
If you intercepted a message that had been encrypted using a Caesar Cipher, what is the maximum number of times you would need to guess-and-check different keys for the cipher before cracking it?
Answers
The advantages of using a Caesar Cipher are
The disadvantages of using a Caesar Cipher are:
Caesar cipher disadvantages include utilization of simple structures.can only give the information the bare minimum of security.A key indicator in understanding the complete message is the frequency of the letter pattern.What benefit does utilizing a cipher offer?Confidentiality – An encryption method can protect data and communications against unauthorized access and disclosure. Authentication Information can be safeguarded against spoofing and forgeries using cryptographic techniques like MAC and digital signatures.
Hence, One of the first known ciphers is called the "Caesar Box" or "Caesar Cipher." It was created circa 100 BC, and Julius Caesar used it to communicate with his generals in the field secretly. His adversary could not read his messages in the unlikely occasion that one was intercepted.
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Can you tell me what to put in these line please!
1
2 LESSON: 2.3 Booleans
3 TECHNIQUE 3: Limited Range
4 PRACTICE 1
5 111
PROJECT
6
7 # Get user input
8 temperature = int(input("How hot is it out? ))
9
10 # If temperature is between 60 and 85,
11 # print that it's nice out today
12
13
14 # Tura in your Coding Exercise,
15
Answers
Answer:
I know nothing about this
A data center needs to ensure that data is not lost at the system level in the event of a blackout. Servers must stay operable for at least an eight-hour window as part of the response and recovery controls implemented. Which redundancy effort should be put in place to ensure the data remains available?
Answers
Answer: UPS
Explanation:
The redundancy effort that should be put in place to ensure the data remains available is the Uninterruptible Power Supply(UPS).
Uninterruptible Power Supply (UPS) is necessary in the provision of battery backup power when there's drop or stoppage in the flow of electricity. With regards to the question, it'll ensure that data is not lost at the system level in the event of a blackout.
What is the purpose of protocols in data communications?.
Answers
Answer:
it peopl to communicate
Explanation:
What affect does friction have on a machine
Answers
Answer:
The friction generates heat, which is an energy that should be converted in movement. That energy, by the form of heat, is a loss.
Decreasing the friction, by lubrication, you will
A topographical map of the world, with no labels is _____ abstract than a map with the names of all the countries and their capitals.
The blank is either more/less
Answers
Answer:
more
Explanation:
my Brian is so big, some would even go as far as to say its the biggest Brian in America
Which of the following became the standard PC in the Personal Computer Era? A) Wintel PC B) DOS PC C) MITS PC D) Altair E) Apple II
Answers
Wintel PC is the correct answer. This became the standard PC in the Personal Computer era.
The IBM PC was the most widely used personal computer in the world, and both its operating system, which was based on Microsoft Corporation's MS-DOS system, and its CPU, the Intel 8088, became industry standards. When Steve Jobs and Steve Wozniak created the Apple computer in 1976, the personal computer era officially began. The personal computer was transforming culture by the 1980s, and libraries jumped on board the change. How many computers can handle data, based on their capacity? Three different computer types—analogue, digital, and hybrid—are categorized based on how well they can handle data.
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You want to make sure that a set of servers only accepts traffic for specific network services. You have verified that the servers are only running the necessary services, but you also want to make sure that the servers do not accept packets sent to those services. Which tool should you use
Answers
Answer:
Port scanner.
Explanation:
A server can be defined as a specialized computer system that provides specific services for its clients on request. An example is a web server.
A web server is a type of computer that run websites and distribute web pages as they requested over the internet by end users (clients). When an end user request for a website by adding or typing the uniform resource locator (URL) on the address bar of a web browser, a request is sent to the internet to view the corresponding web pages (website) associated with that particular address.
In this scenario, the tool you should use is a port scanner because it would scan all packets that are sent or received by the server i.e all packets that are being transmitted to and from the server.
why are the 6 basic element of the computer system important?
Answers
Answer:
Computers are complex machines that appear to be very intelligent but in reality, are only very fast. Six essential components provide the various capabilities that a computer needs to do its job and appear to be so smart. Of course, no computer works without some form of electrical power, either from an outlet, a battery, or a solar cell. It's what the computer does with the electricity that's so interesting. Chips are made of silicon with embedded transistors that can be turned on or off, which is the language of 1's and 0's that computers understand.
Explanation:
for this assignment, we'll be using this data to study bike usage in washington d.c. based on the granularity and the variables present in the data, what might some limitations of using this data be? what are two additional data categories/variables that you can collect to address some of these limitations?
Answers
For managing transportation infrastructure, particularly during disruptions or around new developments, short-term demand forecasting is crucial.
Due to "tidal flows" of travel and use, many bike-sharing programs struggle to manage service provision and bike fleet rebalancing. Although short-term traffic demand estimates and machine learning techniques like deep neural networks have recently advanced, relatively few studies have looked into this issue utilizing a feature engineering approach to guide model selection. From real-world bike usage records, this study extracts unique time-lagged variables, such as network node Out-strength, In-strength, Out-degree, In-degree, and PageRank, that describe graph topologies and flow interactions. According to the experiment's findings, graph-based features are more crucial for demand forecasting than more widely used meteorological data.
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Describe the word trend (pattern) in the numbers of mobile phone owners in the UK since 1990
Answers
The (pattern) in the numbers of mobile phone owners in the UK since 1990 increased compare to 1940s.
What is a mobile phone?Mobile phone serves as a device that enable communication to be possible from one place to another.
We can conclude that it t came to existence in UK around 1949s but became popular around 1980s and it keep increasing up till today.
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John recently worked on a project about various programming languages. He learned that though procedural language programs are useful, they have disadvantages too. What is a disadvantage of programs written in procedural languages? A. Programs do not represent data complexity. B. Programs take more time to execute. C. Programs are prone to security threats. D. Programs do not interface with multiple platforms.
Answers
Answer:
Option A Programs do not represent data complexity.
Explanation:
In procedural languages like C, it doesn't support object oriented design that could encapsulate data in an object that entails a set of relevant attributes and methods which can represent an entity in real life better. This means the procedural language is limited by creating an object-like data structure that can represent data complexity. The procedural language only support the running a program by following a set of instructions in order.
categorization and clustering of documents during text mining differ only in the preselection of categories.
Answers
The statement "categorization and clustering of documents during text mining differ only in the preselection of categories" suggests that the main difference between categorization and clustering lies in how the categories are determined. Let's break it down step by step:
Categorization involves assigning documents to predefined categories or classes based on specific criteria. In this approach, the categories are established beforehand, typically by experts or domain knowledge. The goal is to classify documents into distinct categories for easier organization and retrieval.
In summary, categorization relies on predefined categories determined prior to the analysis, while clustering identifies similarities and groups documents based on those similarities without predefining the categories.
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WHAT ARE THE MOST USED AND POPULAR PROCESSOR
Answers
Answer:
i3 processor, i5 processor, AMD Athlon 64
all communications between a company’s internal networks and the outside world pass through this server. True or false?
Answers
The statement that all communications between a company's internal networks and the outside world pass through a server is not necessarily true.
It depends on the specific network setup of the company. In many cases, a company will have a server acting as a gateway between its internal network and the outside world. This server can handle tasks such as routing traffic, filtering content, and providing security measures such as firewalls. However, not all companies will have this type of server in place. Some may rely on other networking devices or services to connect to the internet or external networks. Therefore, the statement that all communications between a company's internal networks and the outside world pass through a server is not necessarily true. It is important to evaluate each company's unique network infrastructure to determine the specific path of communications.
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