Extend Zigbee sensor range with LoRaWAN
In plain words
This project extends the range of Zigbee sensors by converting their signals to LoRaWAN protocol. It is designed for users who need wireless sensor data transmission over longer distances than standard Zigbee allows. The solution bridges two wireless technologies, enabling existing Zigbee devices to communicate across wider areas using LoRaWAN's extended range capabilities.
written from the facts on this page · September 2026
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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:…
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Life & fun · 2024 · github.com
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