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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.
@Gordon
Nice - thanks! Do you think the interrupt handling is something that could be added to the existing MCP23017 module?
I'm wondering whether I could modify
setWatchsuch that if it was given an object with a.watchmethod, it would call that - then you could transparently use pins on an IO expander?