• Hi All,
    I solved this problem in the end and got the Espruino working with the Solutions Cubed BM019 Serial to NFC Converter.
    To be honest, I'm not absolutely sure what I did to fix because I started over directly converting C code from the Arduino example here, http://blog.solutions-cubed.com/near-fie­ld-communication-nfc-with-the-arduino/ to Javascript.
    I think the trick was that I declared the RXBuffer as a global varaible as follows.

    var RXBuffer=new Uint8Array(200);

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