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: Here’s a Fritzing image of the circuit (I finished it...
View ArticleBluetooth 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:...
View ArticleArticle 6
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...
View ArticleUsing 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...
View ArticleNetworked 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...
View ArticleGlif + DSO Nano: two great tastes…
I was recently given a Glif, and even though I don’t own an iPhone 4, the Glif has been very useful. It it’s a perfect tripod mount for my DSO Nano oscilloscope, and makes it easier to prop the scope …...
View ArticleDatalogging with Arduino
There are several ways to save data from a sensor attached to an Arduino. If you’re connected to a personal computer, you can simply send the data from the Arduino to the personal computer serially,...
View ArticleSerial to Browser using node.js
Updated 14 Jan 2014 This is a brief introduction to using node.js and websockets to connect a serial device, like an Arduino microcontroller, to a browser. To make this happen you’ll need: An Arduino,...
View ArticleBlinkyTape using NeoPixel Library
Blinkinlabs is shipping their product now after their successful KickStarter campaign, and I got mine in the mail a couple days ago. I had a few minutes and thought I’d get a basic example up and...
View ArticleMKR GSM 1400 Pre-flight Checklist
I’ve been getting to know the MKR GSM 1400 boards better the past few days, and in the process I’ve assembled a “pre-flight checklist” of things you’ll want to do first, in order to make sure...
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