Astronomy, Near Space, and Robotics

I've been looking into email traffic for ARHAB groups on Yahoo. I created the following chart in the hopes that I'd see email traffi...

My CT 871 class has me writing programs using eToys. It's a menu driven programming language and is pretty good at letting help kids wr...

(Click on image to see a larger image) This is my first attempt to limb sound from near s...

Today I'm planning to solder the antenna for the ChepaBot radio controller. I purchases a SMA to SMA extension cable from Jameco for th...

I'm soldering a test board for a robot radio. To use it, you program a robot to respond to one of eight messages sent by the hand contr...

I'm working on a simple robotic arm design for the CheapBot robots. It uses two servos, one to lift the arm and the second to pul a wir...

Here are some images taken on last Saturday's mission. This one was taken shortly after balloon burst. From around 80,000 feet, we'...