Bluetooth Low Energy Communication

Read from and write to Bluetooth® Low Energy peripheral devices

Bluetooth Low Energy (formerly known as Bluetooth Smart) is a wireless communication protocol that uses Bluetooth with low-power peripheral devices. These peripheral devices include fitness trackers, health monitors, and personal electronics such as smartwatches or wireless headphones. Bluetooth Low Energy communication support in MATLAB® is different from the Bluetooth Communication (Instrument Control Toolbox) interface in Instrument Control Toolbox™.

To connect to peripheral devices that support Bluetooth Low Energy, your computer needs to have a built-in or external Bluetooth 4.0 adapter. After you connect to a device, use MATLAB to read from or write data to it. You can work with both standard and custom services, characteristics, and descriptors.

To learn more about the standards and specifications of Bluetooth Low Energy communication, see Bluetooth SIG.

Functions

blelistScan nearby Bluetooth Low Energy peripheral devices
bleConnect to Bluetooth Low Energy peripheral device
characteristicAccess a characteristic on Bluetooth Low Energy peripheral device
descriptorAccess a descriptor on Bluetooth Low Energy peripheral device
readRead characteristic or descriptor data on a Bluetooth Low Energy peripheral device
writeWrite data to a characteristic or descriptor on a Bluetooth Low Energy peripheral device
subscribeSubscribe to notification or indication from a characteristic
unsubscribeUnsubscribe from notification and indication from a characteristic

Topics

Bluetooth Low Energy Communication Overview

Learn about the basic concepts and terminology for working with the Bluetooth Low Energy protocol.

Find Your Bluetooth Low Energy Peripheral Devices

Scan for and connect to a Bluetooth Low Energy peripheral device. You can view the advertising data of each device to determine the device type and whether it is connectable before creating a connection.

Work with Device Characteristics and Descriptors

Control Bluetooth Low Energy peripheral devices by reading or writing characteristics and descriptors. You can work with both standard and custom characteristics and descriptors.

Collect Data from Fitness Monitoring Devices

This example shows how to collect and plot data from fitness monitoring devices using Bluetooth® Low Energy communication.

Track Orientation of Bluetooth Low Energy Device

This example shows how to track device orientation with device motion sensor data using Bluetooth® Low Energy communication.

Troubleshooting Bluetooth Low Energy

Try these steps if you are having trouble with your device.