Watch Life Tick Away, one LED Segment at a Time

In the grand scheme of things, a single human lifetime is a drop in the bucket. Even if we don’t like to acknowledge it, we all know the meter is running so to speak. Yet you’re still squandering your precious time on this Earth by reading Hackaday instead of doing …read more

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Easy Frequency Counter Looks Good, Reads To 6.5 MHz

We were struck by how attractive [mircemk’s] Arduino-based frequency counter looks. It also is a reasonably simple build. It can count up to 6.5 MHz which isn’t that much, but there’s a lot you can do even with that limitation.

The LED display is decidedly retro. Inside a very modern …read more

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Build A DSLR Photo Booth The Easy Way

It’s a well-known fact in capitalist societies that any product or service, if being used in a wedding, instantly triples in cost. Wanting to avoid shelling out big money for a simple photo booth for a friend’s big day, [Lewis] decided to build his own.

Wanting a quality photo output, …read more

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Rise and Shine with this Japanese-Inspired Clock

On the Hackaday.io page for his gorgeous “Sunrise Alarm Clock”, [The Big One] is quick to point out that his design is only inspired by Japanese lanterns, and does not use authentic materials or traditional woodworking techniques. Perhaps that’s an important fact to some, but we’ll just say that the …read more

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Resistance is Futile, You Want this LED Cube

We’re suckers for a good desk toy here at Hackaday, so this 2019 Hackaday Prize entry from [Jack Flynn] certainly caught our eye. The idea is that by using professionally manufactured dual layer PCBs and only surface mount components, you can create a cube that has an LED matrix on …read more

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Raspberry Pi Counts Down to the Last Bitcoin

Even though it might appear to be pretend Internet money, by design, there are a finite number of Bitcoins available. In the same way that the limited amount of gold on the planet and the effort required to extract it from the ground keeps prices high, the scarcity of Bitcoin is intended to make sure it remains valuable. As of right now, over 80% of all the Bitcoins that will ever exist have already been put into circulation. That sounds like a lot, but it’s expected to take another 100+ years to free up the remaining ones, so we’ve still …read more

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