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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.

Printoo: Printed electronics made Arduino compatible

A spin-out from YDreams, Ynvisible was founded in 2010 with the goal to bring more interactivity to everyday objects and surfaces, mostly through the use of flexible and printed electronics including the company’s fully transparent electrochromic display. Read More...

Arduino/Intel Galileo project monitors your inbox

This quick project melds a few of the Galileo’s unique features together. Read More...

Taking gaming back to its 8-bit roots

Gamers and hackers are designing retro games in an effort to hold on to their old systems and recreate the ‘play.’ Read More...

In the pits with FIRST Robotics

EDN visits a FIRST Robotics competition for a look at what future engineers design, build, and operate. Read More...

Give me those old-tyme displays

Displays and indicators are pretty boring these days, but that wasn't always the case! Read More...

Bed levelling for 3D printer

3rd prize winner in the TI LDC1000 design contest. Read More...

Card brings rich set of audio functions to Raspberry Pi

Jointly developed by element14 and Wolfson Microelectronics, the Wolfson audio card for the Raspberry Pi supplies multiple types of input sources and outputs to enable high-definition audio capture and playback. Read More...

Friday Fun: Test Those Tubes

A look at the lost art of tube-testing. Read More...

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Water & vandal-proof keypad uses piezoelectric disc as sensor and buzzer

An ingenious and low-cost method to create a rugged “UI”. Read More...

Replace a rotary switch with a potentiometer

Why use an expensive rotary switch with your microcontroller when you can use a cheap pot instead? Read More...

Simple capacitance meter bins parts

This simple, elegant circuit lets you quickly sort through capacitors. Read More...

Bed levelling for 3D printer

3rd prize winner in the TI LDC1000 design contest. Read More...

One wire brings power & data to LCD module

If you need to connect a small remote LCD display, or your µC has run out of I/O pins, here’s a good, cheap solution. Read More...

Use a heated diode as a flow sensor

A hot diode senses air or fluid flow. Read More...

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Printoo: Printed electronics made Arduino compatible

A spin-out from YDreams, Ynvisible was founded in 2010 with the goal to bring more interactivity to everyday objects and surfaces, mostly through the use of flexible and printed electronics including the company’s fully transparent electrochromic display. Read More...

Card brings rich set of audio functions to Raspberry Pi

Jointly developed by element14 and Wolfson Microelectronics, the Wolfson audio card for the Raspberry Pi supplies multiple types of input sources and outputs to enable high-definition audio capture and playback. Read More...

Arduino add-on board targets gaming

Scottish interface chip designer FTDI Chip has developed a gaming add-on board for the Arduino open-source development platform. Read More...

Raspberry Pi control and display interface is plug and play

The PiFace Control and Display announced by Farnell element14 is a new accessory for the Raspberry Pi that allows users to control the computer and see information without the need for a separate screen or keyboard. Read More...

$15 Raspberry Pi dev board for xCORE multicore MCUs

XMOS has launched a $14.99 500MIPS multicore development kit that links to the popular Raspberry Pi board and its other development boards. Read More...

USB-connected robotic arm eases learning of electronics, mechanics and programming

Global Specialties’s Banshi robotic arm, the R680, is an affordable robot for educators and hobbyist to learn the basics of electronics, mechanics and programming. Read More...

Raspberry Pi 5MP camera bundles boost Pi multimedia

RS Components has released two new product bundles featuring the Raspberry Pi Model A board and the Raspberry Pi camera module. Read More...

Raspberry Pi I/O expansion card opens Pi to robotic navigation, automation

Roboteq’s RIO board (for Raspberry I/O) stacks on top the Raspberry to create a powerful embedded control and navigation computer, in a small footprint of just 65x85x20mm. Read More...

Arduino Robot video tutorials by Arduino creators instruct, entertain

Distributor RS Components has released five exclusive video tutorials that feature Arduino creator Massimo Banzi introducing the Arduino Robot and exploring various characteristics of this new open-source hardware on wheels. Read More...

Product Review: Weller LED soldering iron

In this hands-on tryout including a video demo, we see that LEDs on a soldering iron really help you see. 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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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...

Try an oscilloscope for under $200

You can get an oscilloscope for under $200. Some are even worth investigating for your toolbox. Read More...

Power to the people: the democratization of engineering

When it comes to open source, software is years ahead of hardware. But with encouragement from established electronics industry players and moves from makers and hackers, engineers could see open-source hardware and an increasingly democratized, community-based approach worked into and enhancing their design cycles. Read More...

8 hacks to watch at DESIGN West's Black Hat Summit

You can learn to hack into someone’s car or smartphone, build an underwater vehicle or tele-presence robot among the interesting DIY projects at DESIGN West 2013. Read More...

Adding analog I/O for our serial bus sensor interface

Adding analog I/O to allow sensors to present digital information directly to our embedded microcontroller is useful to provide real world analog information like light level, temperature, pressure, voltage, current, resistance, and so on. Read More...

Digital I/O in chunks: distribute control and status

Using serial protocols for distributed digital I/O can save time and money while increasing reliability and flexibility. Testing is simplified, and this approach makes it easy to expand and add functionality, too. Read More...

Make your own IIC interface to a parallel character LCD

Here’s how to connect the parallel bus alphanumeric displays using a simple IIC serial scheme from your microcontroller. This article also shows how to structure firmware and drivers to create very efficient data storage of canned messages and display modes. Read More...

Project e-smart, part 1: Students convert Smart car into an EV

For a student project at the Institute for Internal Combustion Engines and Automotive Engineering at the University of Stuttgart, a commercial compact car with combustion engine was converted to an electric vehicle. Read More...

Engineer shares how to build an electric vehicle from the ground up -- Part 1: Design choices

Frustrated by fast-rising gasoline prices, John Santini, vice president of engineering at TDI Power, decided to turn his creativity and problem-solving skills toward developing his own electric vehicle. Read More...

Engineer shares how to build an electric vehicle from the ground up -- Part 2: Specs, challenges, and future design

John Santini, vice president of engineering at TDI Power, faced many challenges during the three-year construction of his home-built EV, which, just like in any scientific effort, brought knowledge through innovation. Take a look at how the difficulties and problems evolved into a fully functional vehicle. Read More...

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08.21.2013

The biggest-little revolution: 10 single-board computers for under $100

Single-board computers are poised to change how we approach embedded systems development. Check out this collection of SBCs that won't cost you more Read more...

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