Playground Bluetooth

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Display and manage connections to Bluetooth peripherals in Swift Playgrounds using Playground Bluetooth.

Posts under Playground Bluetooth tag

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How to update a Bluetooth device's name on iPhone Settings list after a rename via an App
Hello, Our device firmware has a companion iOS app that allows a user to rename it. We are connected to the iPhone via BT Classic. The new name is reflected on the app, however, the iPhone BT device list still shows the old name. It doesn't seem to get updated to the new name unless we unpair/re-pair the device to the phone. Is there a way to get the iPhone to update to the new name in the Settings BT device list without unpairing the device? Is this possible in BT Classic? Thanks.
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Wake Up iPad from sleep into single app mode by BLE and Network
Hi, we actually have an application where we use iPad to run a WEB Application to display multiple Entertainment/Information content and control Infrastructure. The device is usually connected to a base station (own design) using BLE und USB only for power, is locked in single App Mode using MDM. As long as the App is open it is working fine. But now we like to go to the next step and like to have the device movable and use power save. How can we achieve the iPad wakes up immediately from sleep mode (directly to the app) if somebody is pressing a button on the base station (we support Comm Port, and HID Keyboard service, we can change code on base station if needed). And how can we achieve the same over Network (Wi-Fi or Ethernet with Adapter, Internet access is not always available). May set a state on the MQTT broker and tablet should wake up from sleep. Thanks for feedback Patrik
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Jun ’24
Increase in Download Time from Sensors to Mobile with Recent IOS Updates
We have observed a significant increase in download time from the sensors to the mobile device after recent OS updates. We are connected to the external sensors via the BLE interface using the following connection parameters(15,15,0,6000) https://mbientlab.com/tutorials/MetaMotionRL.html: example 1.For 1 Meter with duration of 28 Seconds the IOS 17.1 taking 44 secs where as IOS 17.5.1 taking 82 secs . 2..For 1 Meter with duration of 45 Seconds the IOS 17.1 taking 74 secs where as IOS 17.5.1 taking 143 secs . Even with the same connection parameters, download times were considerably lower in iOS 15 and below devices. We are currently using the connection parameters 15, 15, 0, 6000. I have learned from some documents that the minimum connection interval was changed to 20, but when I tried it, the download time increased further. I am seeking assistance on how to achieve the same download times as the older versions. https://mbientlab.com/community/discussion/comment/11852#Comment_11852
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Jun ’24