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overview [2019/02/05 17:25] admin |
overview [2021/01/07 10:48] admin |
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| Once a receiver sees the advertising it can optionally connect via [[gatt|GATT]] to see what services the sender provides and then connect to the services to update data, for example to configure the sender, or get data that the sender perhaps didn't show in the advertising due to size or privacy. There are standard services defined by Bluetooth profiles. It's also possible to set up services that only allow change of data after the correct password has been sent to another defined service. | Once a receiver sees the advertising it can optionally connect via [[gatt|GATT]] to see what services the sender provides and then connect to the services to update data, for example to configure the sender, or get data that the sender perhaps didn't show in the advertising due to size or privacy. There are standard services defined by Bluetooth profiles. It's also possible to set up services that only allow change of data after the correct password has been sent to another defined service. | ||
| - | Consumer and industrial devices, for example fitness trackers, heartrate monitors and industrial fridges, send out identification and/or status in the advertising. [[android|Android]] and [[ios|iOS]] apps connect to configure the devices or extract further data. | + | Consumer and industrial devices, for example fitness trackers, heart rate monitors and industrial fridges, send out identification and/or status in the advertising. [[android|Android]] and [[ios|iOS]] apps connect to configure the devices or extract further data. |
| [[beacons|Beacons]] primarily send out identification information and manufacturers' configuration apps connect to change beacon settings such as identification, transmit power and advertising period. The identification can be used by consumer apps to trigger content based on location and by gateways to provide for server based locating systems such as RTLS. | [[beacons|Beacons]] primarily send out identification information and manufacturers' configuration apps connect to change beacon settings such as identification, transmit power and advertising period. The identification can be used by consumer apps to trigger content based on location and by gateways to provide for server based locating systems such as RTLS. | ||
| - | Different types of identification format exist such as [[ibeacon|iBeacon]] and [[eddystone|Eddystone]]. Every Bluetooth device also has a MAC address that's sometimes used for identification purposes. | + | Different types of identification format exist such as [[ibeacon|iBeacon]] and [[eddystone|Eddystone]]. Every Bluetooth device also has a [[mac_address|MAC address]] that's sometimes used for identification purposes. |
| [[sensor|Sensor beacons]], used for IoT, measure quantities movement (accelerometer), temperature, humidity, air pressure, light, open/closed (magnetism hall effect), physical proximity, fall detection, smoke, gas and water leak and present this in advertising or via [[gatt|GATT]] connection. | [[sensor|Sensor beacons]], used for IoT, measure quantities movement (accelerometer), temperature, humidity, air pressure, light, open/closed (magnetism hall effect), physical proximity, fall detection, smoke, gas and water leak and present this in advertising or via [[gatt|GATT]] connection. | ||
overview.txt · Last modified: 2021/01/07 10:49 by admin