I've successfully created an app that scans for peripherals, finds the device of device name I want to connect to, discovers its services and characterises and connects to the device.
A UIButton when clicked should send the string "rw w45,80" to the device I'm connected to through the characteristic F0001131-0451-4000-B000-000000000000, which is the write characteristic of service F0001131-0450-4000-B000-000000000000.
I get the following error:
I know the issue is in the data types and that it's expecting type 'Data' but I have no idea where to begin.
I use a BLE Scanner app to send such strings to the device with no issues as below. I'm trying to get my app to send similar strings:
