I don't know if is userful to you but i found this program , I flashed it and pressing the button on the Wroom esp32 board the ble notify me on the phone (after registering for notification on the first service) . https://github.com/asukiaaa/esp32-idf-samples/blob/master/gatt_server_notif_switch/mai...

Hello everyone I'm looking for a ble modules that allow my company to develop an embedded linux device that need to have wifi,bluetooth and ble. The esp32 seams the perfect module for us but we need to use it as a linux peripheral so we need a way to control the wifi and the bluetooth on the esp32 t...