The Bluetooth Low Energy app can discover and display services, characteristics, and descriptors of a connected peer device's attribute table.
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To view the handle and UUID of an attribute, move the mouse pointer over the attribute name.
A hover text is displayed. -
To view the characteristics of a service, click the Expand/collapse icon
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The characteristics have different buttons available depending on the associated properties. Read, write, and notify actions are available if the corresponding properties are available for the characteristic. -
To view descriptors, expand the characteristics.
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To configure the peer device to start sending notifications, click the Toggle notifications icon
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When a device receives a notification, the corresponding attribute is highlighted, and its value is updated.
If a service or characteristic does not have any child attributes, the list is empty when you click the Expand/collapse icon.