Electronics

Efundies Staff

September 01, 2022 (Last Updated: March 06, 2023) | Reading Time: About 1 minute

We think that learning electronics should be fun.

We have a variety of projects that use AVR, Arduino, MQTT, home-automation, and other technologies to bring your electronics projects to life.

Electronics topics include chips, capacitors, resistors, transistors, and building circuit boards.

Suggested Electronics Articles

Electronics and Programming Guides

Efundies.com - Electronics, Gardening, Programming

Electronics Fundamentals

Learn all about resistors, capacitors, and transistors in our collection of Electronics Fundamentals articles.

How to Understand Electronics Signals and Flow for Beginners

Signals and Systems is a common term that is used to refer to system design.

Electronics

Our collection of electronics articles helps you get started in home automation and circuit building.

How to Read Your Power Meter

Learn how to read your power meter and measure the energy consumption of various devices in your home.

How to Prototype Electronics Projects

When experimenting with electronics, it is usually best to practice in what is called a Solderless Breadboard.

More Electronics Articles

RSR solderless breadboard

How to Prototype Electronics Projects

When experimenting with electronics, it is usually best to practice in what is called a Solderless Breadboard.

Some common components include capacitors and resistors, as well as transistors, LED displays, and chips.

Electronics Fundamentals

Learn all about resistors, capacitors, and transistors in our collection of Electronics Fundamentals articles.

Analog power meter reading

How to Read Your Power Meter

Learn how to read your power meter and measure the energy consumption of various devices in your home.

How to Understand Electronics Signals and Flow for Beginners

Signals and Systems is a common term that is used to refer to system design.

When you mix programming and electronics together you get fun.

Electronics and Programming Guides

Efundies.com - Electronics, Gardening, Programming

Electronics topics include chips, capacitors, resistors, transistors, and building circuit boards.

Electronics

Our collection of electronics articles helps you get started in home automation and circuit building.

More from Efundies

AVR Port Input in C

### Connect PortB To Switches Remember how we connected **PORTA** to the **LEDS**. Now we are going to connect **PORTB** to the **SWITCHES**.

Personal binary executable directory

Make a Personal Binary Directory on Your Computer

If you want to keep your computer organized, it's a good idea to create a personal binary directory.

MIDI Controlled Solenoids with Arduino and Ableton Live - Part 2

This is part 2 in a 3 part series that shows how to make Ableton Live play music on electric solenoids using an Arduino.

C# Text File

There is a static object called "File" (located in System. IO) that does all the hard work for you.

How to Darken an Image in C#

In order to darken an image in C# you need to look at each pixel one at a time and decrease it's red, green, and blue values.

MQTT is the backbone of many home automation systems.

MQTT

MQTT is the backbone of many home automation systems. We consider MQTT to be the most important part of your home automation system.

What Is A Circuit

In general, you will hear the word used to describe what a schematic shows. Most projects are a circuit and most schematics are a circuit.

RSR solderless breadboard

How to Prototype Electronics Projects

When experimenting with electronics, it is usually best to practice in what is called a Solderless Breadboard.

C# Switch

A switch statement in C# is a great way to switch between options.

Analog power meter reading

How to Read Your Power Meter

Learn how to read your power meter and measure the energy consumption of various devices in your home.

433 Mhz hardware can extend your home automation.

433 Mhz Radio Transmitters

433 Mhz radio transmitters are available everywhere and they are usually very inexpensive. With a little bit of programming we can make them do anything we want.

What is a binary program file

What is a Binary Program File

We cover what binary program files are and where you should put them on your computer

Getting Started with AVR

The beauty of AVR is that once you know how to deal with one of them, you know how to deal with all of them.

C# is a programming language created by Microsoft as a direct competitor to Java.

C# (C-Sharp) Programming Language - Tutorials, Code Examples, and More

C# is an amazing language that is built for speed and fast development time. Learn how to manipulate images with C#.

AVR microcontroler with printf function

AVR and printf

You should leave your STK500 setup exactly the same as it was setup for a previous guide.

How To Read Schematics

Those pictures are called a schematic. A schematic is a picture representation of what we are talking about in electronics.

Introduction to the Command Line Interface: A Beginners Guide to Using the CLI

Introduction to the Command-Line Interface for Beginners

The command-line interface is a text-based interface that allows you to interact with your computer.

5 Reasons You Should be Using Docker for Home Automation

If you are not using Docker on your home automation server, then it's time to start thinking about it.

Mosquitto is one of the most popular open source MQTT brokers.

How To Set Up An MQTT Broker with Mosquitto

There are a few options to get your MQTT broker up and running, including Dockers and bare-metal installations. Let's talk about some of the most common ways to get your MQTT broker ready to go.

If you want to conIf you want to connect to your MQTT broker from the internet, then you need to forward a port in your router.

Connect to Your MQTT Broker from the Internet: Port Forwarding MQTT

If you want to connect to your MQTT broker from the internet, then you need to forward a port in your router

C# Color Object

Once you have a Color object you can easily get the RGB and HSB values out of it.

AVR USART Serial

If you've been following along in these guides, then your STK500 should be setup like this. .

Node-RED makes writing home automations fast and easy.

Node-RED

Node-RED is the easiest way to manage your home automation rules. It couples well with Home Assistant and is much easier to program.

C#: How to Use HTML Colors in Your Code

The .Net framework has a great object for dealing with colors called Color that we use to deal with HTML color codes.

How To Quickly Create a OneNote Page from the Command Line

OneNote is a great tool for organizing your thoughts and keeping track of your work, and you can create a OneNote page directly from the command line.

Begining Circuit Analysis and Ohms Law

For simple circuits this is pretty easy. For complex circuits it can be amazingly hard, even for pros.

MQTT is the easiest way to get IoT devices communicating.

What is MQTT and Why You Need It (How to Automate Anything)

MQTT is a protocol that allows devices to communicate with each other in a simple and efficient way.

AVR Port Input Logic

In this guide we will write a program in C that makes some decisions based on the state of input pins.

Your home automation server can run many different operating systems, including Ubuntu, Proxmox, Unraid, and TrueNAS.

Unraid vs Proxmox vs Ubuntu - Battle For the Best Home Network Server OS

When it comes time to put an operating system on your home network server, you've got a few options.

Image Processing in C#: A Comprehensive Guide

C# is a great language to do image processing in. It's fast and easy to handle complex image manipulations with it.

NodeMCU is one of our go-to chips for tackling various home automation projects.

NodeMCU

We use NodeMCU boards for almost every aspect of home automation. These inexpensive little power-houses can solve many home automation problems.

Save png

How to Save a PNG File in C#

This guide will walk you through the steps required to save an Image or Bitmap to disc in the PNG format and allow you to specify the compression quality.

Some common components include capacitors and resistors, as well as transistors, LED displays, and chips.

Electronics Fundamentals

Learn all about resistors, capacitors, and transistors in our collection of Electronics Fundamentals articles.

How to Adjust the Contrast of an Image in C#

Adjusting the contrast of an image in C# is an easy operation because it can be done on a single pixel at a time.

How to Select the Right Resistor for Your Circuit: A Fundamentals Guide

The most important component to understand in electronics is the resistor.

If you have to move massive amounts of data, then you should be thinking about Robocopy and rsync.

How to Move Massive Amounts of Data Safely and Efficiently

If you're dealing with a large amount of data, you need to make sure you're moving it safely and efficiently. Here are some tips on how to do just that.

An MQTT broker helps glue your home automation systems together.

How To Choose an MQTT Broker: Mosquitto vs HiveMQ vs Home Assistant

When it comes time to choose an MQTT broker, you have a few choices. Let's check out the pros and cons of Mosquitto, HiveMQ, and Home Assistant's built-in MQTT broker.

The newest addition to the Windows command prompt experience, Windows Terminal, is the best choice for most people.

Windows Command Prompt vs PowerShell

When it comes to comparing Windows Command Prompt and PowerShell, there are a few key differences.

How to Create a WinAVR C Skeleton File

If you are New To C then you can consider this a crash course introduction to the language.

There are many different Arduinos to choose from, such as this Uno variety.

Arduino

Many home automation projects can be solved by simply "throwing an Arduino at it". Our Arduino articles show you how.