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Aquarium Terrarium

 

This terrarium is made from a small glass aquarium with a foam and concrete background. I've made aquarium backgrounds in the past using a similar technique and thought it would suit a terrarium to give it a realistic look while being durable and waterproof.

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Binary Clock

This clock uses a minimalist design constructed in the shell of an old hard drive. A DS1307 Real Time Clock (RTC) module keeps accurate time while an ATMega328 (with Arduino bootloader) microcontroller determines which LEDs should be lit to display the current time in binary. 

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Variable DC Power Supply

While my DIY fixed voltage power supply has been a mainstay on my workbench, its options of 3.3v, 5v and 12v have been a little lacking as of late. It's time to make a variable voltage supply to provide more power options for my projects. This solution is capable of providing 1.2v to 14v and is easily upgradeable to around 30v if need be.

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Top Drip / DWC Hydroponics

As winters coming up, I've been experimenting with with hydroponics for some indoor growing during the colder weather. This design uses a manifold made from poly pipe to distribute the nutrients to each plant and a small bubble bar with an air pump to oxygenate the nutrient reservoir.

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