Design Ideas Electronics – Here are 5 cool circuit ideas for your next project. Great for making cool things. So here’s some inspiration to get you started building your next project.
This is actually a project I did. I took an old radio from 1937 and modified it into an iPhone dock. This is actually a very simple project to do.
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I used spare parts including an Arduino I had at home, an old speaker, a simple amplifier and some LEDs.
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I like this project because it is a fully functional stereo amplifier with only a few components needed.
I’ve wanted to build an amplifier for a long time, but I never got around to it because projects required preamps, seemed too complicated, or were just mono.
Download a step-by-step tutorial on how to make an old-school USB charger for your phone.
Then one day I came across an article explaining how to make a stereo amplifier circuit using a TEA2025 and some resistors and capacitors. It was a very simple electronic circuit to make and I completed it in a few hours on strip board.
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I put it in a crappy looking box (which I’ll fix someday), but I use it every day as an amplifier for my desktop computer.
WiFi Radio is a very well done project. As you can see from the link below, the result is a very good radio.
This project is actually easier to do now that the Raspberry Pi is out. And very cheap. Linux can be easily installed on a Raspberry Pi, which already has a built-in sound card. A dedicated microcontroller is also not required for the LCD if you are using a Raspberry Pi.
Quadrotors are becoming increasingly popular. Some universities are doing some cool things with small boxes. The quad in the link below consists of one PCB with its components. Leadless or equipped with BGA chips, so it can be soldered by hand.
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I’ve always been fascinated by LED matrices and how to control them, but I’ve never actually built one. This is one of the coolest electronics project ideas I have ever seen. This project shows how to assemble and program an 8x8x8 LED cube.
Since I prefer programming over mechanics, I saw the LED assembly as the biggest obstacle in this project. Luckily Nick Schulz managed to document a clever way to assemble the LED 512.
If you’re not ready to make something from scratch, there are lots of cool kits. The kit is simple in that you get the components you need and instructions for building it. All you need is a soldering iron.
Electronics is easy if you know what to focus on and what to ignore. Learn what the “basics” really are and how to learn them quickly. Wearable electronics can be one of the most exciting yet frustrating activities for beginners. In addition to designing and coding the circuit, we also need to consider the construction time involved in sewing, as well as the pros and cons of the various fabrics or materials that can be used to connect the circuit. Here’s a guide to planning a successful project with a LilyPad or other wearable product.
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Let’s start with a rough idea of what our project looks like and what it does. Use the method that works for you, such as:
It’s easy to dream up an overly complex project that is beyond your personal capabilities, especially when starting out with new technology. Planning and recording your ideas will help give you an idea of the scale and time required to complete your project. If you’re new to wearables, why not try adapting an existing project from one of our InventorSpace class projects?
This student used a picture of a LilyPad printout to plan the correct placement of a patch to sew onto the back of a t-shirt logo.
Is it okay, long and thin? You may need reinforcing material such as interfacing to keep components from moving loose or sticking to the fabric.
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Is this just a one-off exhibition or will it have many benefits (like a theater project that needs to host several performances)? Sometimes soldering parts together is a more durable option than sewing. Silicone wire is a good choice if you decide to solder components together. Ribbon cables can be a good choice for projects with many stranded paths, such as the three or four connections required for the LilyPad Pixel board.
Reinforcing or covering components in areas of high flex or wear is also something to consider for the survival of your project.
Hiding components under layers or coatings maintains the “magical” quality of the circuit, and building on a vanity can use the board as a decorative element. Experiment with decorative accents like beads, sequins or buttons. To strategically hide components and mix them. If using decorative items with a metallic finish, coat them with clear nail polish to prevent accidentally catching threads or parts.
Consider how the input will be used – where does it make the most sense for the user to access these components? For example, hiding buttons on the back of clothing will prevent the wearer from using them (unless the buttons are very flexible). A better place might be along the waist or arms.
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Some wearable technologies, such as EL Wire, require bulky packaging for inverters and batteries that do not fit easily into some clothing designs. Others, such as Lithium Ion Polymer batteries, are delicate and may require special bags or placement away from sharp or easily crushed objects. For more information about empowering your project, check out our tutorial.
Many wearable projects move around the body and are susceptible to short circuits. For closely spaced conductive thread paths, we recommend project isolation to protect against accidental short circuits. Check out our Insulation Techniques for Electrical Textiles tutorial for some ideas. This should be the last step after testing your project (on a flat, non-metallic surface) and before putting it on.
After gathering the materials and components designed during brainstorming, it’s time to create a circuit prototype. To avoid the frustration of sewing everything together only to find it doesn’t work as planned, we recommend using alligator clips to temporarily attach LilyPad components and test the circuitry and/or code later.
If you use a product that comes in Protosnap form, such as the LilyTwinkle ProtoSnap, LilyPad ProtoSnap Plus, or LilyMini ProtoSnap, you can skip the alligator clips because the boards have marks attached to them. If adding additional sensors or parts to the Protosnap board, use alligator clips.
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If you’re using a microcontroller, now is the time to start writing code (or adapting some code examples). A basic framework for your project’s behavior or interactions completed before build time will help troubleshoot any issues later in the process. Remember that you can always go back and refine or edit your code once the project is fully assembled as long as your design leaves easily accessible connection points (the FTDI header if using a LilyPad Arduino).
After creating a basic prototype with your components, take the time to sketch or diagram a more refined circuit layout. This is an opportunity to catch any issues with the design (cross-conductor thread paths, lack of space for components, etc.) before you begin the construction process. This final note can also serve as a guide if components are misplaced or moved during the build process.
Example of a design layout created in a graphics program – note the inclusion of a garment diagram as well as hook detail labels for panels.
Fritzing is a great open source tool that allows you to design schematics and wiring diagrams. The program allows you to drag and drop components in a window and draw wiring lines between them for brainstorming or documenting. If you prefer computer-generated circuit diagrams to hand sketching, Fritzing is an excellent choice that comes with a large number of LilyPad components to work with.
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Once the final sketch is complete, it’s time to connect the electronic devices. Depending on your design, you may also be able to place cut sections on your project to help plan final placement.
Be sure to disconnect any power sources or batteries when moving objects to avoid short circuits caused by alligator clips or accidental disconnection of components that touch each other during movement.
Now that we have all those bad plans out of the way, it’s time to build a project! The basis of every modern electronic device is electronic design. This involves a process