• Thanks for the reply @Gordon. Sorry I wasn't clear, I tried to do that but I couldn't understand the keypad.js enough to successfully modify it for ESP8266. I tried to switch all the "input_pulldown" to "input_pullup" and set the rows to low instead of high but no dice. Any hint on how to accomplish this in general? Thanks again!

    PS. Kudos & great work with Espruino! made MCU development so accessible to an old JS hack like me :) I bought all 3 variants of the official espruino board, but planning to use NodeMCU boards as "throwaway" project boards.

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