News: DIY Laser Tripwire System That Tweets Whenever Sharks Swim Past
If you've ever wished you could keep tabs on the fish in your aquarium, Justin of Antipasto Hardware Blog has just the mod for you! He created this DIY "shark detector" that sends out a tweet whenever Bruce the shark breaches a perimeter that he set up in the tank. Please enable JavaScript to watch this video.
He set up a laser and an Arduino with a light sensor so that whenever Bruce obstructed the laser, the light sensor would pick up the difference in the light level and send out an alert. Images via ggpht.com He created an app and the Twitter handle @BruceSharkAlert so that whenever Bruce gets too close to the diver in the tank, it sends out a pre-programmed tweet. Check out Justin's post to learn more and see the code that makes this ridiculous, ingenious contraption work. How else could this shark intrusion system be used?
The acid in lemons works like regular battery acid to create an electrolyte reaction with the metals that produces power. Simply make a positive and negative electrodes that connect to the lemon acid with a couple household items, and test. If you have a multimeter handy, you can visibly measure the lemon power output in this simple voltaic
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For some odd reason, the Chrome Browser on Android doesn't allow you to search selected text when you're in Incognito Mode. This must have been an oversight on Google's part, because the feature is definitely present with the browser in its normal viewing mode, allowing you to highlight text and
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When you make items yourself, you can choose projects that suit your tastes, create them in your choice of colours/textures, and then use them to your heart's content. Whether you're aiming for efficiency, decoration, fun, or self-sufficiency, there's a list of 30 awesome DIY projects just waiting for you.
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For more information and for downloads, check out the full tutorial over on Samsung Galaxy Note 3 softModder using the link above. Category Science & Technology
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There are other components in the watch's solar cells that make it function more efficiently. The silicon layers have to absorb the light to make use of it, but silicon is naturally a very shiny material. If left untreated, the majority of the sunlight would bounce off its surface, making the PV cell useless.
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If you are done playing around with iOS 13 beta on your iPhone and are now looking to downgrade it back to iOS 12.3, follow this guide. The process of downgrading your iPhone to iOS 12.3.1 is as tedious as the process of installing iOS 13 beta on it. The overall process remains largely the same, though you have to keep a few things in mind.
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Wonder How To is your guide to free how to videos on the Web. Search, Browse and Discover the best how to videos across the web using the largest how to video index on the web.
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Like most Samsung phones, the Galaxy Note 9 comes with a second app store called Galaxy Apps, which includes Samsung-specific apps and mods. Here you can find the mod that enables split-screen for each app. Find Galaxy Apps in your app drawer and select the icon to open them.
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Want to display your mobile device's videos and photos on a television? We demonstrate the best ways to connect your iPhone or iPad to a TV and mirror its screen output, including AirPlay and adapters
In order to remove Secure Chrome Pro Chrome Extension completely you will need to refresh Firefox back to its initial settings. It does this by removing all add-ons and personalized configuration
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How to Teach Yourself to Play Bass Guitar. While an experienced instructor can help tremendously, it is possible to teach yourself to play bass guitar. Take some time to get used to the instrument, even if you already know how to play
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