Category Archives: tech

Things that are technical in nature

Laser Harp guts

Posted on November 14, 2007 by mahto

A long time ago (a week already?) I got all the parts for the laser harp in, and built up and verified the boards- everything seems to work as expected (MIDI in and analog in were not tested, but are … Continue reading →

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Return of the robot!!!

Posted on November 4, 2007 by mahto

Ok, now that I got through all of that techie documentation stuff, here is what I ended up with: I am experimenting with pyro to do RPC between my host computer and the robot. In the above video, the robot … Continue reading →

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Simple Serial-Based PWM Controller

Posted on November 4, 2007 by mahto

This is the PWM controller that I came up with to connect to the NGW100. It is set up to handle 8 channels for now, however it should be easily expandable to 10 channels, and even to 20 or 30 … Continue reading →

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Enabling extra serial ports for the NGW100

Posted on November 3, 2007 by mahto

In an attempt to get this robot up and running quickly, my plan is to offload the device I/O to a PIC processor connected through a serial port. There are four UART devices (AT91/AT32) built into the AP7000 (system diagram), … Continue reading →

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Schooled (by better designers)

Posted on October 29, 2007 by mahto

I finished the design of the laser harp hardware this weekend, and made some good improvements from my first pass design, but even so it is still way too complicated. Because I wanted to allow for a goodly amount of … Continue reading →

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Building for the NGW100 Part 2: An easier way

Posted on October 25, 2007 by mahto

So on my last post about cross-compiling programs for the NGW100, I went through the trouble of setting up a virtual environment to be able to use the provided build environment. I realized today that that is largely unnecessary, and … Continue reading →

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Maker Faire Austin

Posted on October 21, 2007 by mahto

I had the good fortune to attend the Maker Faire that was going on in Austin this weekend. The whole experience was awesome- I got to meet all sorts of Really Cool People with Really Cool Ideas. Here is my … Continue reading →

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