Thanks for taking the time to write that up. I use a remote mic to trigger mine and a mate uses an accelerometer probably one of the commercial ones you mentioned. There is a bit of info on the labradar Facebook group about diy accelerometers which I haven’t had time to go through yet, doubt it will be as comprehensive as yours. Very interesting how you measured and compared lock time. One of the things I really like about this forum is occasionally there is a really informative post, to me at least, cheers.
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