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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.
@MobiTech
Thank you for your help. I have tried to connect the smartphone with the Puck. The Puck sets a service and updates it on a click. The NRF Connect app shows the data. Everything works fine. Now I would like to send data from the smartphone (central), which is connected, to the puck (peripheral).
Are there functions to do this or is it only a one-way-communication?