BLE LED Central iOS app

Official Hardware Nano Family Nano 33 BLE
1

I'm trying to make/translate the LED central sketch
into SwiftUI

 // button is pressed, write 0x01 to turn the LED on
        ledCharacteristic.writeValue((byte)0x01);
      } else {
        Serial.println("button released");

        // button is released, write 0x00 to turn the LED off
        ledCharacteristic.writeValue((byte)0x00);
      }

by any chance, does anyone know how to send the 1 and the zero
in iOS Swift? Swift uses a Data structure that is very tricky to
deal with.
sorry about the off topic, but it's related, loosely

2

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