Sending single sign in tokens using Keybaord HID for TOTP sign in

New interpreter error: LOW_MEMORY,MEMORY

The LOW_MEMORY means the Espruino is low on memory, but it's just a warning, if you see it alone.
MEMORY means Espruino definitely ran out of memory.

You can try one thing: In the Web IDE settings, go to Communication, and

• check "Modules uploaded as functions"
  
• Save on Send -> set to "Direct to Flash"
  
  

Btw https://github.com/triestpa/Tiny-OTP fits this way, but there is an error running it:

Uncaught SyntaxError: Got '=' expected ','
 at line 1 col 69
...ports=class{constructor(a,b='utf8'){'base32'===b&&(a=e.decod...
                              ^

I think Espruino doesn't support default parameters.

As Robin said, there could be couple of tiny issues preventing you from uploading code that runs fine on node or in browser...