This simple weather instrument is an example of electronic instrumentation, it uses a swinging pendulum conductor and four LEDs to indicate wind direction. This simple, but sophisticated, device is suitable as a science fair project or as a project in the grades 6/7/8 technology program of a school.
Apple's iOS 26 and iPadOS 26 updates are packed with new features, and you can try them before almost everyone else. First, check Gadget Hacks' list of supported iPhone and iPad models, then follow the step-by-step guide to install the iOS/iPadOS 26 beta — no paid developer account required.
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