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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.
@user66772
Hmm good point DrAzzy. I'm attempting to make a virtual pin registry for in case I want to use multiplexers and shift registers in tandem with each other. In a custom wrapper for espruino, those devices could be used as a source of pins, by switching the selector pins in the background to accommodate calls to a virtual pin. I have already created a workaround without too many lines. But I will try Object.keys(global) . I totally forgot about javascript being rooted in Java where everything stems from the Object object lol. And thanks for getPinMode Gordon. It's definitely worth it to leave pins such as A9 usable by any project.
My workaround so far is such that I create virtual pin objects starting with 'Z0' through 'Z7' when initiating a 74HC595 shift register, then slapping them with a "digital output only" flag.