I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.
I’ve been looking for an excuse to build one of these clever tamper-detecting switches for a long time. When a mystery critter recently started raiding the fresh catnip I grow outside as a treat for my indoors-only cat, I saw my opportunity. Sure, I could’ve bought or borrowed a commercial trail camera, or hacked a PIR motion detector circuit, or set up an IR webcam with software-level motion detection, but I’ve long been charmed by the simple low-tech design of the ball-in-cage switch. Here’s how I did it.
What will the next generation of Make: look like? We’re inviting you to shape the future by investing in Make:. By becoming an investor, you help decide what’s next. The future of Make: is in your hands. Learn More.
I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.
Our websites use cookies to improve your browsing experience. Some of these are essential for the basic
functionalities of our websites. In addition, we use third-party cookies to help us analyze and understand
usage. These will be stored in your browser only with your consent and you have the option to opt-out. Your
choice here will be recorded for all Make.co
Websites.
