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David Scheltema

David Scheltema

I love to tinker and write about electronics. My days are spent building projects and working as a Technical Editor for MAKE.

Latest from David Scheltema

Arduino MEGA

In the spirit and celebration of Arduino Day, we’ve compiled a list of some great past projects for your enjoyment. While the Arduino UNO and older Duemilanove are two of the most common Arduino boards, the MEGA and the Yún should not be avoided. The MEGA is much like the... Read more »

Raspberry Pirate Radio

This simple hack turns your Raspberry Pi into a powerful FM transmitter! It has enough range to cover your home, DIY drive-in movie, a high school ball game, or even a bike parade (depending on the stragglers).

The Raspberry Pi is a great platform to rapidly build fun electronics projects. And since it’s Pi Day here in the States —yes, we really do order the date by month/day/year, 3/14/15— we thought it’s a great time to share thirteen of our favorite Pi projects. This collection of projects... Read more »

Edison_Backstory_Opener_ReEdit-5

From an engineer's kitchen table to the bright lights of the CES main stage in record time. Read more »

The new Spark Electron

Meet Electron from Spark, the new board that puts GSM cellular connectivity directly on the microcontroller. With its onboard cellular antenna, this diminutive board will offer a huge range of deployment options and alleviate the hassle of using a custom cellular breakout board with your micro controller projects. They’re offering two... Read more »

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The tiny, powerful Intel Edison platform has been a bit difficult to interface with. But now two new breakout boards from DFRobot vie to become the robotics community’s must-have Edison connection. Since its debut a few months ago, the most common ways to work with Edison are two breakout boards available from Intel and the... Read more »

Extruder head

Most industrial robots run on proprietary systems, but this experimental KUKA arm uses an Arduino MEGA to 3D print in 6 axes, mimicking the shapes found in nature. Despite the size of this KUKA arm with a custom toolhead attachment — a 3D printer extruder — carefully looking at the... Read more »

555-timer as an arcade stool

The 555-timer integrated circuit is one of the most famous and popular chips ever invented. Created in 1971, it’s got a near cult following with books, blogs, newsletters, and devoted fans even today. That’s why Imgur user “surfacetension” built this amazing stool in the form of a giant 555 chip!... Read more »