Laird BL654 User manual

https://connectivity.lairdtech.com/wireless-
modules/bluetooth-modules
1
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Quick Start Guide v1.1
This guide demonstrates how to install a Laird BL654 USB dongle (part# 451-00003) onto a Windows computer and how to
communicate with it.
The following equipment and utilities are required:
▪Laird BL654 USB BLE USB adapter, Part # 451-00003
▪FTDI USB-to-Serial drivers for the BL654 USB dongle (found at http://www.ftdichip.com/FTDrivers.htm)
▪UwTerminalX, provided by Laird at https://github.com/LairdCP/UwTerminalX
To install the BL654 dongle, follow these steps:
1. Connect the BL654 USB dongle (Figure 1) to a spare USB port on your computer or to a USB hub that can provide at least
100 milliamps of power.
Figure 1: Laird BL654-US
Note: If there is enough power for the device, a blue light may remain illuminated.
2. Follow the on-screen prompts. Depending on your version of Windows, you may need to install the FTDI drivers.
When complete, the BL654 USB dongle appears in the Windows device manager as a USB serial port (Figure 2). Make a
note of the COM port number to use in step 6.

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modules/bluetooth-modules
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© Copyright 2019 Laird. All Rights Reserved
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Figure 2: BL654 USB dongle as shown in Device Manager
3. Extract UwTerminalX to a selected folder and run the program (no installation is required).
4. From the Config tab in the Device drop-down menu, select BL65x to populate the baud, parity, stop bits, data bits, and
handshaking settings (Figure 3).
Figure 3: UwTerminalX configuration
5. If BL65x is not a selectable device, set the following:
▪Baudrate: 115200
▪Parity: None
▪Stop Bits: 1
▪Data Bits: 8
▪Handshaking: CTS/RTS
6. In the Port dropdown, select the COM port associated with your BL654 USB dongle.
7. At the top of the screen, click OK.
8. Open UwTerminalX and type at i 2 and press Enter to confirm you can communicate with the dongle on the correct
COM port (Figure 4).

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modules/bluetooth-modules
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Americas: [phone]
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Figure 4: Checking communication with the BL654 USB dongle
Further information relating to the BL654 USB dongle is available from the Laird BL654 product page:
https://connectivity.lairdtech.com/wireless-modules/bluetooth-modules/bluetooth-5-modules/bl654-series
Version
Date
Notes
Contributor(s)
Approver
1.0
13 June 2018
Initial Release
Mahendra Tailor
Jonathan Kaye
1.1
12 Feb 2019
Updated logos and URLs
Sue White