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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.
@parasquid
BTW my use case here would be to try and do a circular buffer for my air quality sensor https://hackaday.io/project/174293-bleifying-a-honeywell-pm-sensor
Instead of saving the data onto an SD card, I thought of using spi flash instead which would be faster. That way I can query data for the past 100 points or so (depending on the size of the spi flash).