September 13, 2020
0 comments (My Open Source At-Home Bike Trainer)

Stuck indoors during the pandemic, I needed a creative outlet and a way to get exercise, so I built an open source stationary bike trainer with real-time web monitoring and controls. Continue reading

Shaper Origin Teardown

June 3, 2018

Shaper Origin Teardown with iFixit

I recently spent the day at iFixit HQ, where we tore apart Shaper Origin – the handheld CNC that I helped design. Check out the video to see what makes this thing tick! Continue reading

October 9, 2013

Tutorial 3 for CadSoft Eagle: CAM Output and DFM

In the third installment of my Eagle tutorial series, I show you how to prepare your circuit board design for manufacturing, including performing DFM (Design for Manufacturability) checks, and generating output Gerber files. Continue reading

March 30, 2013

Re-“Making” Education (Guest Post on the Open Electronics Blog)

This is the age of the maker. There is no denying that at this time in human history, makers have the power to do extraordinary things – building social networks that connect billions of people, designing new medical technologies that save lives, and creating cars that can drive themselves. Continue reading

MakerBot Digitizer

March 15, 2013

MakerBot Digitizer Announcement

At SXSW this past week, MakerBot announced the Digitizer, a personal 3D scanner that, when paired with the MakerBot Replicator, will allow you literally “copy” real-world objects. I designed the electronics and firmware for the prototype that was displayed at SXSW. Continue reading

Eagle Tutorial 2

July 6, 2012

Tutorial 2 for CadSoft Eagle: Printed Circuit Board Layout

In this second tutorial on CadSoft Eagle, I’ll show you how to turn your schematic into a board design that you can get manufactured! Specifically, I’ll cover part layout, automatic and manual routing, layer and grid controls, ULPs, ground pours, net classes, and much more! Continue reading

Episode 1

January 2, 2011

Tutorial Series for Arduino: It begins.

This video was featured on the Adafruit Blog on 01/06/11 This tutorial was featured on the official Arduino blog on 3/9/2011 This video was featured on the DIYFilm Blog on 03/19/11 Thanks to a generous sponsorship from element14, I’m putting … Continue reading

August 20, 2009

Web-Controlled RoboClaw v1

This is a project that I’ve been working on on-and-off for over a year now. A while back, a friend got me this robotic claw kit from thinkgeek, basically to make fun of my prosthetics research. It’s simple enough…A wired … Continue reading

May 15, 2009

Nerf Sentry Gun…be afraid.

The nerf sentry gun was developed as a final project for Cornell University’s CS1114 Matlab Robotics class. Jason Wright and I worked on the gun together, and were awarded “coolest final project”. Check out the video of the gun in … Continue reading