My usage when actually connecting to the puck would be to connect, transfer about 572 bytes of data, then disconnect...
To be honest you might as well leave the connection interval alone then. It's only an issue if you were planning on staying connected to the device - if you connect and disconnect you're unlikely to have any problems
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.
Ok, that sounds perfect then!
To be honest you might as well leave the connection interval alone then. It's only an issue if you were planning on staying connected to the device - if you connect and disconnect you're unlikely to have any problems