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You can check this app online here: https://koshka.ddns.net/pzemweb/v1.1/ (You will need Chrome browser or similar )
A web-app (web-interface) for Peacefair PZEM energy monitors.
It is loaded from https web server but works completely on a local machine with local devices and local database.
It uses Web Serial API to connect to PZEM devices and IndexedDB to store data.
JqGrid and Apexcharts used to display stored data.
This application (hopefully) supports simultaneous data exchange with multiple PZEM devices.
An extensible weather sensor recording network, based on Raspberry Pis
A distributed network of sensors with a central data store, to record environmental data.
Project goals include:
* to serve as a teaching outlet for:
** sensor programming
** distributed data collecting
** web APIs
** database
** web UI for numerical data
** graphing data sensibly
It also gives me some infotainment in new (to me) technologies, and as an excuse to scatter ever more Raspberry Pis around my home.