Category Archives: arduino/wiring

Datalogging 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, and save it to a … Continue reading

Posted in arduino/wiring, circuits, code, electronics, Pachube | 2 Comments

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

Posted in arduino/wiring, circuits, electronics | Tagged , , | Leave a comment

Serial ports on an iPhone?

hc gilje posted some useful notes on accessing the serial ports of an iPhone. Bottom line: Apple has not made it easy to let the iphone communicate with external devices. Basically, you need a jailbroken phone to do anything. That … Continue reading

Posted in arduino/wiring, iPhone | Tagged , | Leave a comment

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

Posted in arduino/wiring, circuits, electronics | 3 Comments

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:

Posted in arduino/wiring, circuits, electronics | Tagged , , | 1 Comment

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:

Posted in arduino/wiring, circuits, electronics | Leave a comment

Blog Housekeeping

I’m making some changes to this blog. I’ve been unhappy about the fact that all the code is static, not the code I use every day. Instead, I want a nice code repository, so whatever I write on my machine … Continue reading

Posted in arduino/wiring, PHP, Processing | Tagged , , | Leave a comment

A Few Good Reasons Why Peter Knight Rocks

Peter Knight works with Massimo and Alex and co. at Tinker.it. He’s written some great AVR code, which is useful in Arduino.  For example: Secret Thermometer takes advantage of the ATMega’s internal thermometer. Turns your ‘328-based Arduino into a thermometer … Continue reading

Posted in arduino/wiring, AVR, circuits | Tagged , , , | Leave a comment

Physical x Wonderfl

Shigeru Kobayashi, who made Gainer and Funnel, has made yet another nifty tool for physical computing:  physical x wonderfl. It combines Gainer, Funnel, Firmata, Arduino, and Wonderfl.

Posted in arduino/wiring, circuits, Flash/ActionScript | Tagged , , , , , , , | Leave a comment

Controlling Lots of Outputs from a Microcontroller

Making LED displays is fun. There are a a few tools that get used all the time, from row-column scanning to LED driver chips to multplexers and shift registers. This tutorial discusses some of the more popular methods for controlling … Continue reading

Posted in arduino/wiring, circuits | Tagged , , , , | Leave a comment