Many thanks @Gordon, all very useful information, very kind of you!
Yes I am working while connected to the Bangle in the IDE, to be able to see the console. I might compare without that - but, actually for my current requirement not being able to connect to several peripherals at once is a blocker, so I'll have to switch to C or micro/circuit python I think!
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.
Many thanks @Gordon, all very useful information, very kind of you!
Yes I am working while connected to the Bangle in the IDE, to be able to see the console. I might compare without that - but, actually for my current requirement not being able to connect to several peripherals at once is a blocker, so I'll have to switch to C or micro/circuit python I think!