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

How to Prototype Electronics Projects

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

Electronics Fundamentals

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

Electronics

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

Electronics and Programming Guides

Efundies.com - Electronics, Gardening, Programming

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.

More Electronics Articles

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.

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.

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.

How to Understand Electronics Signals and Flow for Beginners

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

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.

More from Efundies

AVR Port Output in C

Port output on an AVR microcontroller is very flexible. We show you how to configure each register.

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.

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#.

C# Switch

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

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.

How to Read a Schematic - Common Schematic Symbols

There are about 10 that you should memorize, and the rest you can look up. Here we will show you some common schematic symbols and give a brief description of them.

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

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

Learning Linux will help you with many different home automation projects.

Linux

When you get interested in home automation, you are eventually going to want to learn Linux.

Resistors in Series

When you wire resistors in series, you can simply add their values together to get the new equivalent reistance.

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.

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.

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.

You can get started programming with a simple setup. All it takes is a laptop and a cup of coffee.

Programming: Tips and Tricks

A collection of tips, tricks, and snippets of code for a variety of programming languages, including C#, AVR, Arduino, and Perl.

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.

AVR USART Serial

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

How to compile ncmpcpp on CentOs 8

If you are new to compiling applications on Linux then this can be a bit daunting the first time you do it.

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.

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.

Convert an Image to Gray Scale in C# - A Quick and Easy Guide

Sometimes you need to take a color image and remove all of the color from it leaving just shades of gray. There are 3 common ways of performing this calculation, each yielding slightly different results.

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.

Perl may be an old language, but it is still the glue that holds many projects together.

Perl

Perl is one of the most common glue languages available on Linux. It is useful in home automation for quick scripts as well as complex processes.

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.

How to Set Up STK500 Jumper Settings for AVR Programming

Make sure that you have the STK500 user guide on hand, you are going to need it.

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.

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.

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.

Load an Image in C#

- Perhaps you want to create an image processing program. - You may need to resize or rescale an image.

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.

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.

Resistors in Parallel

Learn how to calculate the equivalent resistance of two resistors when they are wired in parallel.

How to Understand Electronics Signals and Flow for Beginners

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

Begining Circuit Analysis and Ohms Law

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

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.

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.

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.

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.

Scale an Image in C# Preserving Aspect Ratio

If you need to change the size of an Image without changing the ratio of X to Y then this article tells you how.

Home automation can be fun with Node-RED and Home Assistant

Node-RED Makes Automation With Home Assistant Fun

Node-RED adds a lot of fun to Home Assistant.

This modern LED lightbulb consumes 1/10th the energy of old-school incandescent bulbs.

Electricity

Follow our electricity guides to learn how to read your power meter, save energy, and measure the power usage of various devices in your home.

How to Lighten an Image in C#

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