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I will try if you cannot replicate it there, the version on dsd6 indeed only has standard BT packet length, but if the signal is good, it works fine for days connected. I only realized because I was getting random reboots, and could not figure out why. It turns out, I was not closing the connection from the phone, and when I was moving a floor down the toiler that was upstairs was rebooting :)
I can demonstrate it for you if you like, I was able to make the empty cycle run slower just by placing the phone between my legs so that the signal got worse.
I swiched to using characteristics and standard web bluetooth connection, and the problem is gone now for me, but I will make a small video if you believe it is usefull. If you are sure it does not affect newer vesions, then it is not problem.
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enaon
@Gordon
What happens if you set
Puck.increaseMTU = falsebefore connection? It's possible that earlier Espruino builds had issues with the increased MTU?The Puck.js lib will try and increase the MTU if it sees that it receives data in chunks of more than 20 bytes (because it assumes that for that to happen the MTU must have increased) and it's possible that it causes problems?
It'd be well worth trying with a newer firmware though, as I know there were some instability issues that have been fixed - 2.14 is quite old now