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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.
@fanoush
too bad the nrf52832 chip does not support BLE long range or some lower bitrates with better sensitivity or that it cannot increase tx power more, all that can be done by 52833 or 52840 chips (so in theory could work e.g with Microbit 2), sometime ago I was searching aliexpress for simple cheap nrf52833/40 based tags/beacons with button but did not find any.
there is older nrf proprietary format than could work between two nrf52 devices which can do 250kbit bitrate but looks like it (unlike BLE long range) does not come with better sensitivity
https://devzone.nordicsemi.com/f/nordic-q-a/78469/250-kbit-s-nordic-proprietary-radio-mode-on-nrf52840
https://infocenter.nordicsemi.com/topic/ps_nrf52840/radio.html?cp=5_0_0_5_19_14_4#unique_103003482