Electronics

Efundies Staff

September 01, 2022 (Last Updated: September 14, 2022) | 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 Understand Electronics Signals and Flow for Beginners

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

How to Read Your Power Meter

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

Electronics Fundamentals

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

How to Prototype Electronics Projects

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

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

More Electronics Articles

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.

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

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.

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

This MIDI controller can be used to play music, write tracks in a DAW, or just about any home automation you can think of.

MIDI

You can use MIDI to write songs, play music, control games, or even control your home automations.

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.

motor and sensitive device with caps

Intro to Capacitors

Capacitors are one of the fundamental building blocks of electronics. A solid understanding in what capacitors will help you in all electronics projects.

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.

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.

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.

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.

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.

C# Switch

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

C# Color Object

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

Resistors in Series

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

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.

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.

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.

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.

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.

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.

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.

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.

Resistors in Parallel

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

What are Transistors and How do They Work?

With the transistor we introduce the first 3 legged device. Transistors come in many varieties, shapes and sizes.

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.

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.

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.

How To Read Schematics

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

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**.

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.

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.

How to Understand Electronics Signals and Flow for Beginners

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

C# Text File

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

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.

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 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.

Docker is an essential service on your home automation server

Install Docker on Your Home Automation Server: 4 Different Ways

There are many different ways to install Docker for Home Automation. Let's talk about some of the ways that you can install Docker on your home automation server.

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

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.

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.

Command line interface

Command Line Interface

Command line interface (CLI) is a text-based interface that is used to operate computer systems.

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.