Around 15 years ago, I built a barbecue controller. This controller had four temperature probes that could be used to check the temperature of the inner cooking chamber as well as various cuts of meat. It controlled servos that opened and closed vents and had a custom derived PID algorithm that could infer the delayed effects of oxygen to charcoal.
Anyway, of relevance to this thread is that the controller connected to the local wireless network and provided an embedded HTTP server with an SVG based web UI that would graph temperatures and provided actual knobs and dials so that the controller could be tweaked. SVG in the browser works nicely with Javascript.
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