Design Con 2015

DIY

Suzanne Deffree
Editor
Home for DIY (do it yourself) hobbyist, hackers, and honed engineers where you can exchange ideas and design knowledge on electronics. Find answers to DIY challenges and new opportunities amongst a community of skilled electronics makers.

Shubham Banerjee: The brains and heart behind Braigo Labs

You can't be too young to become an entrepreneur. Just ask 13-year-old Shubham Banerjee who launched a company to develop low-cost machines to print Braille, designing his prototype product out of Lego Mindstorms parts. Read More...

A master vibrator replacement for the Model T & TT Ford

Here’s something for you antique car enthusiasts. Read More...

MD&M West steps up its game through Allied Electronics at Center Stage Gadget Freak event

This year, at MD&M West there will be a Gadget Freak Workshop presented by Allied Electronics in the Center Stage area of the Anaheim Convention Center. Read More...

Desktop milling machine creates PCBs and packaging

Version 2 of the Othermill will create your PCB, enclosure, and other parts – on your benchtop. Read More...

Humidity-sensing LED flower

Learn how to make your own LED flower that senses humidity with this DIY project. Read More...

Green Screens & Ham (Apologies to Dr. Seuss)

Ham radio used to be a major gateway to engineering. Is it still? Read More...

Creating electrochromatic circuits

Learn how to make a magically appearing design using a thermochromatic pigment. Read More...

Get this book, fix EMI problems

Get a solid dose of take-home information from "EMI Troubleshooting Cookbook for Product Designers" that can help you pass the tests and get your product to market. Read More...

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Sleep easy with this desk fan speed reducer

This innovative AC motor control skips cycles. Read More...

Bad-bulb finder fixes Christmas lights

15 years later, here’s a new take on one of our most popular Design Ideas ever! Read More...

Monitor 15 contacts with one PIC input

Take advantage of a microcontroller’s feature set to simplify switch & contact interface. Read More...

Simple pulse oximetry for wearable monitor

Use this circuit as the “heart” of a pulse oximeter and oxygen saturation monitor. Read More...

Short circuit tracer/finder uses low power

Build this bench tool and become a master at pinpointing shorts. Read More...

Add phases to simple RC oscillator

Here’s a simple way to add one or more output phases to an RC oscillator. Read More...

3 pins, 3 LEDs, 3 buttons

This LED multiplexing scheme allows for switches in the matrix too. Read More...

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Desktop milling machine creates PCBs and packaging

Version 2 of the Othermill will create your PCB, enclosure, and other parts – on your benchtop. Read More...

ZigBee 3.0 radio chips and modules can add Smart Home/IoT capabilities to lighting applications

GreenPeak Technologies' GP691 communication controller chip and GPM6000 integrated Modules provide a much-needed solution for implementing ZigBee 3.0, Thread, and other advanced wireless protocols. Read More...

Arduino LED controller shield makes complex RGB LED lighting apps a snap

The Arduino-compatible lighting RGB LED lighting shield reviewed here was designed to give designers a low-cost easy-to-use open-source platform for fast prototyping and inexpensive evaluation of multiple LED light engines. Read More...

FPGA boards under $100: Altera/Terasic DE0-Nano

A close look at the Cyclone IV-based $79 DE0-Nano FPGA devboard from Terasic. Read More...

EDN Hot 100 products of 2014

Of the many thousands of products announced during the past year, these are 100 that especially caught the attention of our editors and our readers. Read More...

EDN Hot 100 products of 2014: Boards & Development Tools

This section of EDN's Hot 100 Products of 2014 includes development tools - both hardware and software based - and system-level components. Read More...

$20 Raspberry Pi Model A+ is smaller, uses less power

The Raspberry Pi Foundation has unveiled the Raspberry Pi A+ - a smaller version of its original Model A - that costs only $20. Read More...

Raspberry Pi accessory GPS, accelerometer and prototyping modules

Distributor element14 has launched the Microstack range, a series of accessories for the Raspberry Pi that will make it quicker and simpler for all levels of user to create and prototype physical devices. Read More...

Free PCB design tool includes 3D modeling, crowd-sourced parts database

CircuitMaker PCB design tools' 3D modeling and other features will help designers deal with the "lumpy" nature of LED lighting products or other design projects involving large, irregular components. But that's only half of the story. Read More...

Desktop PCB factory turns your design into a working circuit in 30 minutes

What would you do if you could turn the schematic you sketched on the back of a napkin during your lunch break into a fully-assembled circuit before your afternoon coffee break? Read More...

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Chumby offers opportunity for home engineering

Because anyone can submit an app and Chumby Industries has been very open to hacking the Linux kernel, there are several ways to change the firmware with OpenEmbedded to tailor the Chumby One to your own needs. Read More...

Rummage through a Roomba: Sensor-packed vacuum robot attracts hacks

This autonomous robot packs a series of sensors and motors to not only vacuum homes the world over, but also double as a robotic platform for would-be developers. Read More...

Prying apart a portable audio player

Prying Eyes: A look inside Sandisk's Sansa M250 reveals platform minded design decisions, surprising flash-memory choices, and potential hacks. Read More...

Evaluate your application's energy-harvesting vibrational profile with a Slam Stick

To know whether your application is suitable for vibrational energy harvesting, you must determine its vibrational profile. Mide Technology's Slam Stick data logger and open-source software can ease your profiling task. Read More...

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A master vibrator replacement for the Model T & TT Ford

Here’s something for you antique car enthusiasts. Read More...

MD&M West steps up its game through Allied Electronics at Center Stage Gadget Freak event

This year, at MD&M West there will be a Gadget Freak Workshop presented by Allied Electronics in the Center Stage area of the Anaheim Convention Center. Read More...

Foraged crabapple jelly – a delicious DIY holiday a gift

Crabapple jelly is a perfect "gateway drug" to get you hooked on home preserves because it's one of the easiest of jellies to make and, if you find the right fruit, one of the most delicious. Although seldom found in stores, there's a good chance you can forage your own crabapples from trees growing within a short drive of your house. Read More...

Make high-quality double-sided PCBs – at home

Be rewarded with near-pro quality PCBs by following the method detailed here. Read More...

Stovetop computing puts a DIY twist on the Thanksgiving turkey

Trey German used an inexpensive microcontroller board to create a open-source Wi-Fi-controlled sous vide cooker which makes perfectly-cooked poultry that's even juicier, tastier and tenderer than a deep-fried bird. Better yet, he's publishing the design so you can build one too. Read More...

Designing building & installing a homemade 12VDC LED lighting system

With the arrival of the LED lighting revolution and efficient DC-DC converters, an engineer revisits his cabin’s battery-powered lighting system. Read More...

A guide to selecting power supplies for LED lighting applications

In order for your solid-state lighting design to realize its full efficiency, durability, and longevity, you'll need to choose a power supply with characteristics that closely match the requirements of your application and the LEDs you're using. Read More...

Copperclad Road (with apologies to Steve Earle)

An ECL warrior battles the copperclad to produce a high-performance breadboarded test fixture. Read More...

10 free math analysis and design tools for engineers

Back by popular demand is another round of free tools that engineers and DIYers can use with their various projects. Read More...

3D printing expands beyond makers

Although technical and pricing challenges remain, 3D printing has evolved from a medium used by an exclusive few to a manufacturing trend that some believe will see widespread adoption in 2014. Read More...

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Shubham Banerjee: The brains and heart behind Braigo Labs

You can't be too young to become an entrepreneur. Just ask 13-year-old Shubham Banerjee who launched a company to develop low-cost machines to print Braille, designing his prototype product out of Lego Mindstorms parts. Read More...

Celebrate Data Privacy Day

Wednesday Jan 28 is Data Privacy. Take time to reflect on the issues. Read More...

Let's get LEDucated!

Join me March 5&6 in NY City at the LEDucation conference! It lives up to its name by providing both a chance to kick the tires on the latest LED lighting products and to attend a program of highly-informative panels, seminars and workshops led by some of the industry's top authorities. Read More...

Humidity-sensing LED flower

Learn how to make your own LED flower that senses humidity with this DIY project. Read More...

Green Screens & Ham (Apologies to Dr. Seuss)

Ham radio used to be a major gateway to engineering. Is it still? Read More...

Creating electrochromatic circuits

Learn how to make a magically appearing design using a thermochromatic pigment. Read More...

Get this book, fix EMI problems

Get a solid dose of take-home information from "EMI Troubleshooting Cookbook for Product Designers" that can help you pass the tests and get your product to market. Read More...

Online learning, EE or otherwise

Online learning is exploding. Are you watching or doing? Read More...

Friday Fun: Chaos

Get a bit more chaos into your life. Read More...

Quick & dirty impedance, noise, and jitter measurements

More interesting and unusual approaches to measurement. Read More...

>> SEE ALL

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