Dependent on time and "life"...
Either the nRF52832
or wait a bit and https://www.nordicsemi.com/eng/Products/nRF52840 when raytac may have a product at the right price
Preparations with pcb thoughts for either part is probably the best investment in time just now as a pcb could contain either of the components.
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.
Dependent on time and "life"...
Either the nRF52832
or wait a bit and
https://www.nordicsemi.com/eng/Products/nRF52840 when raytac may have a product at the right price
Preparations with pcb thoughts for either part is probably the best investment in time just now as a pcb could contain either of the components.