Category Archives: electronics

Networked Bed Presence sensor

John Schimmel and I had a meeting with a friend the other day who has chronic condition, and is looking for tools to notify her family and friends of her activity at home, so she can live more independently. A … Continue reading

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Using PepperMill to turn a motor into a sensor

Nicolas Villar sent me a sample of the PepperMill, a new sensor board he and Steve Hodges designed at Microsoft Research in Cambridge, UK.  It’s a nifty little board.  You attach a DC motor and the board can an output … Continue reading

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Rob Faludi just turned me on to CoolTerm, a serial terminal app for OSX and Windows. It looks like a nice addition, and is cross platform, which is handy for teaching; no need to reference different apps on different platforms. I’ve … Continue reading

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Bluetooth Mate with Lilypad

Coming late to the game, I’m trying out a Bluetooth Mate from SparkFun with an Arduino Lilypad.Overall, it’s a nice Bluetooth radio to use with microcontrollers.  A few thoughts on getting it working:

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Intervalometer and motion trigger for Nikon D90

Matt Mets has written a nice Nikon remote control library for Arduino. I used it to make a motion trigger and intervalometer. It looks like this:

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