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Limor has posted another installment of her exceedingly excellent sensor tutorials, this one on that most marvelous of switches, the tilt sensor. When you just have to know which end is up, you need to strap on one of these puppies. Here’s how.

Sensor tutorials – Tilt sensors!

Force Sensitive Resistor (FSR) tutorial
Ladyada’s temp sensor tutorial
Adafruit’s CdS tutorial

Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.



  1. Bob says:

    My goal is to have a pointing device (first thought on the subject is a track ball) but really the main thing that it needs to be is something that is hard-wired (USB … or?)
    to a laptop and will serve the function as a pointing device, and must be small … usable on an airplane.
    in flight work getting done, and is so much easyer if there is a mouse or tackball involved.
    any help here, is there any precident for turning a mouse over and using the ball like a track-ball?