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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@tve
A lot of brainpower has been invested in software testing over the past years. Developing software is very different today from a few years ago, IMHO.
What I like about node-red is that for relatively simple things one can compose visually and that can provide a nice overall overview and structure to what ends up being a bit of a distributed application. It's not a place to do the coding, but one to glue things together and establish the overall flow of events & data. In particular for beginners it's nice environment to try things out quickly.