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 Fundamentals

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

Electronics and Programming Guides

Efundies.com - Electronics, Gardening, Programming

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.

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.

More 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.

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.

When you mix programming and electronics together you get fun.

Electronics and Programming Guides

Efundies.com - Electronics, Gardening, Programming

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.

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.

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C# Color Object

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

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

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

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.

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.

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.

You can see that the MIDI data generated in Ableton Live flows into the USB port of an Arduino, where it is used to control solenoids.

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

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MQTT is the easiest way to get IoT devices communicating.

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

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.

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.

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

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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.

Command line interface

Command Line Interface

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

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

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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.

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.

AVR chips come in many different sizes and shapes. Pictured is a PLCC socket.

AVR

The AVR microprocessor is the heart of most Arduinos. Instead of using the Arduino libraries, you can learn to program this chip directly with C++.

C# Text File

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

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.

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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.

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.

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

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

How to Implement AVR Timer Interrupts in C for Atmel Microcontrollers

Timer interrupts are an excellent way of having your AVR do something at a given interval.

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.

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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.

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

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

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

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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.

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

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.

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

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

AVR USART Serial

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

What is a binary program file

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

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Personal binary executable directory

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