Electronics Projects

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The Process of Building an Electronic Project

The heart of electronics is building things. The reason for learning all the theory is so you can practice the art by actually building circuits and putting them to use. Electronic projects typically follow [more…]

Electronic Project Plan Step 1: Envision Your Electronic Project

Before you get lost in the details of designing and building your electronic project, you should step back and look at the big picture. First, you need to make sure you have a solid idea for your project [more…]

Electronic Project Plan Step 2: Design the Circuit

Once you have an idea for an electronic project, the next step is to design a circuit that meets the project's needs. At first, you'll find it very difficult to design your own circuits, so you can turn [more…]

Electronic Project Plan Step 3: Prototype Your Circuit

Before you commit your electronic circuit to a permanent circuit board, you will want to make sure it works. The easiest way to do that is to build the circuit on a [more…]

Electronic Project Plan Step 4: Construct Your Circuit

Once you've prototyped your electronic circuit and you are satisfied with its operation, you can build a permanent version of the circuit. Although there are several ways to do that, the most common is [more…]

Electronic Project Plan Step 5: Enclose Your Circuit

Once your electronic circuit board is finished, the final step of your project is to mount it in a plastic, metal, or wooden box. You can purchase boxes specifically designed for electronics projects from [more…]

Prototype an Electronic Coin-toss Prep: Specs, Parts, and Tools

For this project, you create an electronic version of a coin toss. Instead of flipping a coin into the air to see if it lands heads or tails, you build an electronic device that does the coin toss. That [more…]

Prototype an Electronic Coin-toss Step 1: Connect the IC to Power

Creating an electronic version of a coin toss is a good electronics project for beginners. It doesn’t literally toss a coin. Instead, when the user removes his finger from two metal contacts, one of two [more…]

Prototype an Electronic Coin-toss Step 2: Connect LEDs to Resistors

An electronic coin toss doesn’t literally toss a coin, but it does make a good first project for the aspiring electronics hobbyist. Rather than flipping a coin, one of two lights stays lit when the user [more…]

Prototype an Electronic Coin-toss Step 3: Connect the Finger-touch Circuit

A good first project for the aspiring electronics hobbyist is an electronic coin toss. It doesn’t literally toss a coin. Instead, one of two lights stays lit when the user removes his finger from two metal [more…]

Prototype an Electronic Coin-toss Step 4: Complete the Circuit

In order to complete the electronic coin toss prototype, you will complete the circuit by connecting the power supply. Your prototype won’t literally toss a coin. Instead, one of two lights will stay lit [more…]

Troubleshoot Your Electronic Coin-toss Prototype

If the prototype of your electronic coin-toss circuit doesn't work, there are a number of troubleshooting steps you can take to find out why and correct the problem. Here are some helpful troubleshooting [more…]

Prep to Build an Electronic Coin-Toss: Parts List and PCB Layout

Once you have assembled and tested the prototype of your electronic coin-toss, you can begin to build the actual electronic coin-toss on a printed circuit board [more…]

How to Build an Electronic Coin-Toss Circuit

Building an electronic coin-toss is a good project for a beginning electronics hobbyist. Prior to building the coin-toss on a printed circuit board (PCB), it is advisable to prototype it on a solderless [more…]

How to Mount an Electronic Coin-Toss Circuit in a Box

When you have successfully built a coin-toss circuit on a printed circuit board (PCB), you’ll want to give the project a finished presentation by mounting it in a project box. [more…]

How to Build a Simple Electronic Circuit

If you are interested in understanding electronic circuits, one of the best ways to learn about electronics is to build a simple circuit. This simple circuit consists of just three components: a 9 V battery [more…]

Electronics Projects: How to Switch between Two Lamps

There is more than one way to switch the electronic circuit between two lamps or any other electronic power components. This shows two different ways to accomplish the task. [more…]

Electronics Projects: How to Build a Switched Lamp Circuit

Building a switched lamp circuit presents a simple electronics construction project that lets you explore the use of a simple on/off switch to control a lamp. [more…]

Electronics Projects: How to Build Series and Parallel Circuits

Whenever you have circuits that consist of more than one electronic component, those electronic components must be linked together. The two ways to connect components in a circuit are in series and in [more…]

Electronics Projects: How to Build Series and Parallel Switched Circuits

Just as lamps can be connected in series or parallel in an electronic circuit, switches can also be connected in series or parallel. For example, two circuits that each use a pair of SPST switches to turn [more…]

Electronics Projects: How to Build a Three Way Lamp Switch

Many homes and offices have hallways that have a light switch on both ends. You can turn the light on or off by flipping either switch. This kind of switching arrangement is called a [more…]

Electronics Projects: How to Limit Current with a Resistor

One of the most common uses for resistors is to limit the current flowing through an electronic component. Some components, such as light-emitting diodes, are very sensitive to current. A few milliamps [more…]

Electronics Projects: How to Combine Resistors in Series and Parallel

Resistors can be combined to form complex electronic networks in which some of the resistors are in series and others are in parallel. For example, a network of three, 1 kΩ resistors and one 2 kΩ resistor [more…]

Electronics Projects: How to Divide Voltage with Resistors

Here is an interesting property of resistors that is useful in electronic circuits: if you connect two resistors together in series, you can tap into the voltage at the point between the two resistors [more…]

Electronics Projects: How to Use LEDs to Detect Polarity

In this project, you build an electronic gadget that uses two LEDs to indicate the polarity of an input voltage. The voltage is provided by a 9 V battery connected to the circuit via a DPDT knife switch [more…]

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