Vikings and wireless communication – check out our Bluetooth click range
Posted by Lana Vulic on 12 January 2017 02:33 PM
Bluetooth name origins
King Harald Bluetooth, who united Denmark and Norway, was the inspiration for the name of this wireless communication standard. As the makers of Bluetooth were trying to allow PC and mobile devices to communicate without cables and in a sense unify them, king Harald was seen as an ideal symbol. This famous Viking ruled Denmark in the later part of the 10th century.
The Bluetooth logo is composed of two Nordic runes signifying king Harald’s initials — Harald Blåtand.
Here is an overview of the Bluetooth click boards we have in our store:
BT Audio click
BT Audio click is a complete solution for streaming audio from a smartphone or a PC over a Bluetooth connection. The click features Microchip’s RN52 Bluetooth audio module and runs on a 3.3V power supply.
BLE 3 click
BLE 3 click carries the NINA-B1 Bluetooth 4.2 module from u-blox and runs on a 3.3V power supply. It has really low power consumption — only 9μA in standby mode.
BLE2 click features the RN4020 Bluetooth 4.1 module from Microchip and runs on 3.3V power supply. The onboard PCB antenna has the range of at least 30m.
BLE P click
If you want to add Bluetooth 4.0 to your project this is the click for you. BLE P click carries the nRF8001 IC and 40m range PCB antenna. You can also check out the BLE Android app, a great starting point for developing your own apps.
For more information about BLE, and to help you decide which BLE click is the best one for you, check out our Learn article about Bluetooth Low Energy.
Bluetooth click runs on a 3.3V power supply and communicates with the target MCU over an UART interface. It has Bluetooth range of up to 100m.
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A tutorial on pairing Hexiwear with Raspberry Pi 3
Posted by Lana Vulic on 30 December 2016 11:32 AM
As you may already know, Hexiwear has a built-in BLE (Bluetooth Low Energy) transceiver. With this tutorial, you will learn how to pair Hexiwear with Raspberry Pi 3 Model B. Here is the run-down.
The first thing you will need to do is download BlueZ, a Bluetooth stack for Linux. You can download the newest version (V5.43) at this link.
A few paragraphs below you will find out how to reload the service, since it was changed with the build.
Enable BLE features
Turn on ‘experimental’ mode in the service configuration and restart Bluetooth.
Now is the time for you to turn on Bluetooth on Hexiwear. Just make sure that you are not already connected with Hexiwear to some other device, like your mobile phone.
Follow the rest of this extensive tutorial and you’ll be ready to pair your Hexiwear with Raspberry Pi 3 and maybe even start an exciting project of your own.
For more information on BLE you can check out our Learn article.
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