what about notification? central subscribes to notifications from characteristics, each button press fires notification with new value, central gets it when it happens without a need to ask at random moment by reading it
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.
what about notification? central subscribes to notifications from characteristics, each button press fires notification with new value, central gets it when it happens without a need to ask at random moment by reading it