Fun With Hardware (Part 1)

This post is the first loosely related to my research. The 'Part 1' label means that I intend to semi-regularly voice my enjoyment with the hardware I work with.  Because my research involves robots, hardware is a critical component of any working system. Every robticist can relate to my love-hate relationship with hardware that functions perfectly alone in lab but refuses to start if anyone's around. In the end, I haven't decided if this says more about robotics or the people working on robotics projects. This post is not just about hardware, despite the title, but more about my recent experience chasing down a few performance quirks that I couldn't directly attribute to my own bad code. Setup Hardware: Point Grey Grasshopper Express camera - maximum resolution of 1024x1024 and maximum frame rate of 70fps at that resolution 1394b express card Lenovo W520 laptop Software Ubuntu 12.04 ROS Fuerte camera1394 interface In lab, the camera power comes from the firewire cable with an AC adapter plugged into the express card. During test runs,...
Read More

I’m terrible at this

Wow am I terrible at writing posts (regularly). Hopefully I haven't disappointed both of my readers. The whole summer went by and school is now in full swing. Food update: I have a back log of pictures of delicious dinners from the past few months. In lieu of inundating this post with a wall of images, here are the links to some of the best recipes I've cooked recently: Lentils Spiked with Mustard Baja Pork Stir-Fry Salmon with Lentils and Mustard Blackened Tilapia Baja Tacos Looking back at these recipes, me carb of choice has switched from quinoa to lentils for the time being. Whats new with my home-brew Here in Atlanta the weather is finally cooling down enough to start brewing again. Because I don't have chillers or run the A/C during the day, brewing can't start until the inside temp doesn't get above 76. I may also up the ante a little and brew 2 batches simultaneously. While the 2 gallons from each batch is a decent amount, one batch every six...
Read More