How to Laser Cut a PCB Solder Paste Stencil on Kapton

This guide shows you how to convert a gerber file containing the paste layer of your PCB into a vector file that you can use to create a kapton stencil with your laser cutter.

How To Print At Actual Size (1:1) In SketchUp


Printing a SketchUp drawing at actual size can be a bit tricky. This guide shows you
how to do it.

A Comprehensive Guide to Installing and Configuring OpenCV 2.4.2 on Ubuntu

This guide takes you from a clean Ubuntu install to a working installation of OpenCV 2.4.1.

A Simple Realtime Application on the PandaBoard:
A 10 KHz Square Wave

This post contains code that creates a 10 KHz square wave on one of the GPIO pins of a PandaBoard running the real-time Linux extensions. It is a proof of concept showing that the PandaBoard is suitable for real time applications.

Installing Ubuntu With Real Time Patches On The PandaBoard

I just posted a tutorial on the Silicon Valley HomeBrew Robotics Club Wiki entitled Installing Ubuntu With Real Time Patches On The PandaBoard. In addition to instruction for installing Ubuntu from scratch, which is also described in my recent post on ozbotz.org, the tutorial explains how to compile a new kernel from source and test the latency of the OS.

Install Ubuntu On A PandaBoard In Less Than 15 Minutes

This brief tutorial explains how to install Ubuntu on a PandaBoard. The procedure works with either the server version of the desktop version of Ubuntu.

OpenCV Installation Troubleshooting Guide

This guide lists solutions for problems you might encounter when installing OpenCV and its dependencies. Many of the problems are related to using webcams. This guide is a companion guide to “A Comprehensive Guide to Installing and Configuring OpenCV 2.3 on Ubuntu.”

A Comprehensive Guide to Installing and Configuring OpenCV 2.3.1 on Ubuntu

This guide takes you from a clean Ubuntu install to a working installation of OpenCV 2.3.1.

Compiled Kernel Files For Chumby Falconwing Version 1.0.7 Build 1.0.3454

Need to manually update your Chumby One to Falconwing version 1.0.7 build 1.0.3454 but don’t want to build the kernel yourself? Use the files included in this post!

Enable the Chumby Keyboard Hack Manually

This tip shows you how to enable the Chumby keyboard hack manually.