Arduino

L298N Controlling 12V Fans with Arduino

Using an Arduino and L298N Motor Module you can control 12 volt fans, or other electric motors to mitigate environmental issues.   Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 L298N Motor Module – https://amzn.to/2Xa9uiR […]

Arduino

16 x 2 LCD and Analog Temp Sensor on Arduino

This project uses a 16 x 2 LCD Display to show the temperature in Fahrenheit and Celsius using an analog temperature sensor. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 LCD Screen – https://www.adafruit.com/product/1447 Analog Temperature […]

Arduino

16 x 2 LCD Screen on Arduino

LCD Screens allow an Arduino to display specific text such s an IP address or the Temperature. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 LCD Screen – https://www.adafruit.com/product/1447 Potentiometer (50K) – https://amzn.to/2N1NH8h 220 Ohm […]

Arduino

IR Sensor Analog Output on Arduino

You can use Analog Pins on your Arduino Board to read from an IR sensor if you need a numeric reading. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 IR Sensor – https://amzn.to/2IDw7SE

Arduino

Analog Temperature Sensor LED Alert on Arduino

This project allows you to use LED’s as a way to display temperature information. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 HC-SR204 Ultrasonic Sensor – https://amzn.to/31AGgYC Breadboard Kit – https://amzn.to/2Xih5ei Analog Temperature Sensor – https://amzn.to/2Rkkl3k 220 Ohm […]

Arduino

Analog Temperature Sensor with Arduino

You can use Analog Temperature Sensors in Arduino Projects to determine the temperature in your environment. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 Breadboard Kit – https://amzn.to/2Xih5ei Analog Temperature Sensor – https://amzn.to/2Rkkl3k

Arduino

HC-SR04 Ultrasonic Distance Sensor with Arduino

HC-SR04 Ultrasonic Distance Sensors allow you to take relatively accurate distance readings for your Arduino project. Functional Parts in the Project: Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 HC-SR204 Ultrasonic Sensor – https://amzn.to/31AGgYC Breadboard Kit – https://amzn.to/2Xih5ei

Arduino

Arduino IR Obstacle Avoidance Vehicle

This project will allow you to create a basic autonomous obstacle avoidance vehicle with Arduino. Functional Parts in the Project: FeeTech FT-MC-002-SMC – https://amzn.to/2MLIzoF FeeTech 2CH-SM-Controller (Motor Controller) Arduino Uno – https://store.arduino.cc/usa/arduino-uno-rev3 IR Sensor – https://amzn.to/2IDw7SE […]

Arduino - Basics

Arduino Clone Boards

Arduino is an open source hardware project which means anyone can build and sell boards based off of the Arduino design. This is good because other manufacturers can sell boards for a fraction of the […]

Arduino - Basics

Types of Arduino Boards

There are numerous type of Arduino Boards. You basically code for them the same way, but different boards offer different options such as more Digital Connections, or WiFi.

PHP Programming (NEW)

PHP – Creating Arrays

Arrays allow for a variable to have multiple values.  This gives you the ability to create lists of names, and be able to sort them easily.  Also it allows you to have values from a […]

PHP Programming (NEW)

PHP – if Statements

If Statements allow you to trigger code if specific conditions are met.   <?php $age = 20; print “Your Age is $age”; print “<br>”; if ($age < 18) { print “you too YOUNG”; } ?>

PHP Programming (NEW)

PHP – Comments

Commenting code allows you to add notations to you script to explain why it was written how it was. You can also use commenting to keep specific code from running during troubleshooting.   <?php /* […]

PHP Programming (NEW)

PHP – Setting Variables

Variables in PHP can be set without needing to be declared.   <?php $string = “Hello World”; $int = 1; $float = 2.2; print “<h1>String</h1>”; print $string; print “<h1>Int</h1>”; print $int; print “<h1>Float</h1>”; print $float; […]

PHP Programming (NEW)

PHP – Why Learn…

Why should you learn PHP when there are two many “better” languages available? It’s easy to learn. You can build practical web apps within a week of starting. Finally a huge number of legacy web […]

PHP Programming (NEW)

PHP – What is…

PHP is a Hypertext Preprocessor. This essentially means that PHP dynamically writes web pages for you. So it can query a database and print a report from it, or change CSS and such based on […]

What is

XAMPP – What is…

XAMPP is a package that installs Apache, MariaDB, PHP and Perl onto Windows, Linux or Mac. It is a very simple way to get a web development environment up and running with little knowledge.

What is

LAMP Server – What is…

LAMP Servers are the standard build for web servers. LAMP stands for Linux, Apache, MySQL, PHP. This gives you the operating system, http server, database server and PHP scripting language.

What is

Subdomains in DNS – What are…

Subdomains are prefixes to domain names that allow administrators to provide different web services to users, but do so using the same namespace so that it is easier to remember. Such as MAIL.failednormal.com, WWW.failednormal.com, VPN.failednormal.com… […]

What is

MX Record – What is…

MX Records (Mail Exchange) are DNS records that are used to route email to email servers. You can have numerous MX Records posting to different email servers to prevent loss of email due to downtime. […]

What is

Deplatforming – What is…

Deplatforming is when people are removed from the platforms that they use for communication. The relevance is expanding as not just Social Networking sites, but also PayPay and GoDaddy have started to proactively remove accounts.

What is

Doxxing – What is…

Doxxing is when personal information is released about people online. More than the act of doxxing itself, the more damaging component is the call to actions that accompany doxxing.

What is

DNS Registrar – What is…

A DNS Registrar is authorized by ICANN to sell domain names. They essentially do the admin work required for the Domain Name System. Registrars have become important because they are private companies and they have […]

Unboxing

Apple HomePod Unboxing

The Apple HomePod is Apple’s version of a smart speaker.  I purchased one because: I’m already in the Apple ecosystem, I already use Apply Music, and I was looking for a good speaker for my […]

A+

A+ Storage

Class Notes: Filesystems and OS Max size of partitions Block size and efficiency Interfaces IDE – 133 MBps – 2 drives per controller SATA – 600MBps – 1 drive per controller SCSI – 640MBps – […]

A+

A+ Motherboards

Class Notes: Model # and Documentation Motherboards are “paint by numbers” find the documentation to see what will fit on the board, and what connectors are. Form Factors Motherboards have standard sizes – ATX – […]

A+

A+ Computer Cooling

Class Notes: Is Cooling Important? Cooling is most important for servers, gaming systems and any computers that will be running hard for significant amounts of time. CPU’s, GPU’s and other components will automatically turn off […]

A+

A+ Computer Cases

Class Notes: Case Types Tower Desktop Rack Mediacenter Case Sizes ATX Micro ATX Mini ITX Cooling Grill size and fan mounts Small Grills can get clogged with dust Hidden Grills can capture hair like a […]

Drones

Qysea FiFish P3

Class Notes: FiFish P3 comprises a submersible drone, tether, remote control unit and smartphone app Long tethers may become caught in underwater obstructions Visibility even in “clear” water may be less than expected. https://www.qysea.com/product.html