Author Archives: clipboard

Capacitive Sensing; the AD7746

A recent art project involves a standalone column which is isolated from the environment; it is battery powered. We want to put in a sensor that can determine if someone has touched the piece; this is generally done via capacitive … Continue reading

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Checklists, updated.

The checklists for projects have been updated; the latest versions will live here.

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RoboSail

A problem with GPS and servomotors from the folks at robosail.org came in today, regarding how to get GPS data and run servomotors at the same time. The technical solution was relatively simple (as most wind up to be). The … Continue reading

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Thermistorcator Update

The Thermistorcator boards came back a while ago, but I finally got a chance to put them together. It works. Version 1.2 of the boards had some tweaks; most notably, there was some better labeling, and holes were put in … Continue reading

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Thermal flashlight header boards

The new thermal flashlight header boards are in, and they look neat! Alas, there was a slight glitch in my reading of an earlier circuit diagram, but that doesn’t sink us! It’s always good to give a bit of a … Continue reading

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Thermal Flashlight Plus – In progress!

The thermal flashlight is fascinating; however, after building up the original version from the Public Laboratory, it seemed like we could really start to add some neat features to it. The original thermal flashlight was simple, but other folks have … Continue reading

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Feedback for users – The Power Box

As much as everyone likes to reduce cost to an absolute minimum, the addition of a few indicators, meters, or small displays can make a world of difference for the end user. Unless there is an incredibly pressing need to … Continue reading

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Opt-in Distribution

Overview At the end of the day, the question is always, “What do you want to do?”   This is one of the key elements in the checklists created for engineering and art clients. As much as technological solutions are used … Continue reading

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Cambridge Science Festival – Artisan’s Asylum Autonomous Combat Robot Design Challenge

The Cambridge Science Festival was this weekend; Artisan’s Asylum had an Autonomous Combat Robot Design Challenge, and I was one of three judges to help break any ties about who had won a particular match. There were only two weeks … Continue reading

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Art and XBee

The description of an art project using XBee radios for nicely synchronized outputs has been posted here!

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