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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
Looks like a neat little device - I don't see any debug ports, so unless you're willing to dump the device's firmware (which may not even be possible) and reverse engineer the code it looks like brute force is the way forward.
How did they work when they were used? Did they all go off together? I guess they'd have had to have given the relatively low bandwidth of IR.
If that's the case I guess it does limit your search a bit. Perhaps some random searching is the way forward given you'd expect something to be displayed as long as you were in the right ballpark. Even random bits and varying the length of the sent IR code could help.