How to Use Bluetooth Low Energy (BLE) on Windows 10?

Plate type: Technical Guides

Time: 2022.12.21

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Viewing count: 9574

Bluetooth Low Energy (BLE) is a wireless technology that connects devices over short distances without the need for cumbersome wires. From connecting keyboards and mice to printers, gamepads, and even wearables, BLE has revolutionized connectivity with its low power consumption and fast pairing capabilities.

This guide explains how to use BLE on Windows 10, set up Bluetooth adapters, troubleshoot issues, and understand the differences between BLE and traditional Bluetooth.

1. How to Check Bluetooth Availability on Windows 10

Before connecting BLE devices, verify that your computer supports Bluetooth:

1. Open Device Manager: Press "Win + X" and select Device Manager.

2. Check for Bluetooth: Look for the Bluetooth category. If it’s not visible, your computer may not have a Bluetooth module.

2. How to Set Up a Bluetooth Adapter on Windows 10

If your PC doesn’t have built-in Bluetooth, you can use an external Bluetooth adapter:

1. Connect a Bluetooth Dongle: Plug the adapter into a USB port.

2. Automatic Driver Installation: Windows 10 will usually detect and install the required drivers.

3. Manual Driver Installation (if needed): Download drivers from the adapter manufacturer’s website and install them.

3. Pairing a BLE Device with Windows 10

Follow these steps to connect a BLE device:

1. Turn On Bluetooth:

Go to Settings > Devices > Bluetooth & other devices.
Turn Bluetooth to On.

2. Pair the Device:

Click Add Bluetooth or other device.
Select Bluetooth and choose your BLE device from the list.

3. Finish Pairing: Follow any on-screen instructions to complete the connection.

4. Understanding Bluetooth Low Energy (BLE)

BLE is a part of the Bluetooth 4.0 Core Specification and is optimized for low power consumption. Here are key terms:

Central and Peripheral:

· Central: Typically a host device (e.g., Windows 10 PC) that connects to peripherals.

· Peripheral: Devices like sensors, beacons, or wearables that provide data.

GATT (Generic Attribute Profile): BLE communication is structured using GATT. Devices exchange data via services and characteristics.

· Server: The device providing data (e.g., a heart rate sensor).

· Client: The device requesting data (e.g., a Windows 10 PC).

Observers and Broadcasters:

· Broadcasters: Devices that send advertisements (e.g., beacons).

· Observers: Devices that scan for advertisements without establishing a connection.

5. Difference Between BLE and Classic Bluetooth

Feature	BLE (Bluetooth Low Energy)	Classic Bluetooth
Power Consumption	Extremely low	High
Data Transfer	Small amounts of data	Large data volumes
Connection Time	Fast and lightweight	Slower
Battery Life	Can last years on one charge	Shorter battery life
Use Cases	Wearables, beacons, sensors	Headphones, file transfer

6. Is Pairing Necessary for BLE Devices?

No, pairing is not always required for BLE connections. BLE devices advertise their presence, and compatible central devices can connect without traditional pairing.

7. Example of a BLE Module for IoT Applications

MinewSemi’s MS50SFB BLE Module is an excellent example of a versatile Bluetooth 5.0 module:

· Antennas: Supports PCB, ceramic, or u.FL connectors.

· Core Technology: Based on Nordic nRF52 series SoCs.

· Features:

o 32-bit ARM Cortex-M4 CPU

o 192 KB Flash, 24 KB RAM

o 2.4 GHz transceiver for robust connectivity

This module is perfect for applications such as beacons, medical devices, and sensors.

8. Troubleshooting Bluetooth Issues on Windows 10

If BLE devices are not connecting:

1. Update Bluetooth Drivers: Go to Device Manager > Bluetooth > Right-click your adapter > Update driver.

2. Restart Bluetooth Service: Press Win + R, type services.msc, and restart Bluetooth Support Service.

3. Run the Bluetooth Troubleshooter: Go to Settings > Update & Security > Troubleshoot > Bluetooth.

Conclusion

Bluetooth Low Energy offers a streamlined, power-efficient way to connect devices with Windows 10. Whether you’re using IoT sensors, beacons, or wearables, BLE simplifies short-range communication without sacrificing battery life. For a reliable BLE module, products like the MinewSemi MS50SFB provide robust performance and quick market integration.