Diy piezo guitar body10/2/2023 He posits that pushing on one end of a solid metal rod a meter or so in length will result in motion at the other end of the rod pretty much instantly. Take ’s simple question: “Are solid objects really solid?” On the face of it, this seems like a silly and trivial question, but the thought experiment he presents reveals more. But when a thought experiment turns into a real experiment, that’s when things can get really interesting, and where unexpected insights crop up. Thought experiments can be extremely powerful after all, pretty much everything that came up with was based on thought experiments. Be sure to check out the video after the break.Ĭontinue reading “Hackaday Prize 2022: Ultratower Is A Powerful Gardening Vertical” → Posted in The Hackaday Prize Tagged 2022 Hackaday Prize, hydroponics, piezo, ultrasonic Since cooking the spinach prematurely would be bad, they experimented with other values, finally landing on 108KHz. Water that runs off the roots collects in a small tank at the bottom, where a pump starts the process over again.Īt first, had trouble with the piezo disks - using 1.7MHz disks created too much heat, warming the water up to nearly 40☌ (104☏). Stick up to twelve plants in the little cubbies, and their roots will grow down the inside, where they’ll receive a fine shower of water at your command. In this case, it’s done with three piezoelectric disks mounted under a tank in the top of the PVC tube. The ‘ultra’ part is a function of the way mist is created. It’s a simple-to-use hydroponic tower that uses recycled mist to water plants, ultimately saving water in the process. Well, that excuse doesn’t work anymore, thanks to ’ Ultratower. And honestly, we’d probably all eat a little better if it were really easy to grow healthy things like spinach. Naturally, this extends to water, another precious resource that generally plays a part in farming and food production. The more people we have on this planet, the more food we need. Or twelve.Ĭontinue reading “Lo-Fi Fun: Beer Can Microphones” → Posted in classic hacks, Featured, Interest, Slider Tagged contact mic, mic, microphone, piezo, piezo disk, piezoelectric In flipping through the book, I noticed the beer can microphone project and was immediately taken by the aesthetic of some cool old 70s beer can with a 1/4″ instrument jack on the bottom, just asking for some dirty blues to be belted into it. Among my early choices was Making Poor Man’s Guitars by Shane Speal, who is widely considered to be the guru on the subject. Having never built a cigar box guitar before and being of a certain vintage, I’m inclined to turn to books instead of the Internet, so I stocked up from the library. I happily picked one up and started scheming on the way home. Bam! It’s sturdy, it opens easily, and it’s (very) roughly guitar body shaped. (Where else are you going to get a bunch of egg cartons without eating a bunch of eggs?) I noticed that they happened to also stock ammo boxes. In trying to decide a suitable body for the slapdash guitar I was about to build, I found myself at a tractor supply store for LEGO-related reasons. A couple months back, I was looking at my guitars and guitar accessories and thought, it is finally time to do something with the neck I’ve had lying around for years. Sometimes, you just need an easy win, right? This is one of those projects. Video after the break.Ĭontinue reading “Tiny PCB PiezoPiano Plays Just One Octave” → Posted in Musical Hacks Tagged ATMega4809, piano, piezo It’s also available on Tindie if you’d like to buy a kit off the shelf. That’s nothing to sniff at compared to all the monophonic synths out there. ![]() Impressively, though, those eight buzzers mean it has eight-note polyphony. It’s all assembled in a cute enclosure mimicking the shape of a real grand piano.įundamentally, it’s a cute little musical desktoy that reminds us greatly of the Stylophone. ![]() And, when we say keyboard, we really mean “tactile buttons.” You get the drift. Truth be told, that’s only in one scale you’re not getting the whole twelve tones of flats and sharps included. It has eight buttons and eight piezo transducers that give you just one octave’s range on the keyboard. The PiezoPiano is a single PCB device with a ATmega4809 running the show. It’s a tiny thing with just one buzzy little octave for your playing pleasure. ![]() When it comes to the PiezoPiano, though, we suspect nobody could complain about its diminutive size. Upright pianos are smaller, but still fairly hefty. Grand pianos are beautiful instruments, but take up altogether too much space.
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