I am trying to send string to my bluetooth printer via navigator.bluetooth. It requires the UUID for the service and characteristic.
What is the generic UUID for the service and characteristic for sending string?
let services = await selectedDevice.gatt.getPrimaryService(whatUUID);
Here is the list of bluetooth UUID: 16-bit UUID Numbers Document.
Use bluetooth internals, chrome://bluetooth-internals/#devices, to inspect which services a device supports.