
Oddball
A drum machine crammed in a ball 🥁
What it does
Oddball is the bouncing ball that helps you express yourself by making music on the go. Oddball comes in two parts, the ball, and the app. The ball behaves as the percussion trigger. Every time you bounce it off a surface, sensors at the heart of the ball communicate with the app via Bluetooth to play a sound through your headphones or speakers.
Does the same job
all alternatives →More life & fun this month
the category →- TL
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Hi HN, I built Eigendrum, a web tool that solves the 2D wave equation for arbitrary shapes so you can hear what they sound like as drums. How it works: * Solves -∇²u = λu using finite element analysis (Kφ = λMφ) on a triangle mesh. * Validated to <0.1% error against closed-form solutions for circles (Bessel zeros) and rectangles. * Sound model factors in strike location, Rayleigh damping, and mallet width. * Includes Kac drums I & II to demonstrate identical sound spectra from different geometries. * No frameworks, build steps, or dependencies. Repo and tests:…
Life & fun · 27d ago · baselashraf81.github.io
Launched alongside, July 2018
the whole month →- BA
Life & fun · 2018 · brow.sh


- TR
Dev tools · 2018 · github.com

