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BL654 USB adapter

BL654 - Intelligent USB Bluetooth v5 Adapter (Nordic nRF52840)

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SG$ 93.23

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Lead Time : 40.0 weeks

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BL654 - Intelligent USB Bluetooth v5 Adapter (Nordic nRF52840)

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We simplify the rapid integration of wireless connectivity with innovative solutions, world-class manufacturing and unparalleled customer support. Our culture creates a fast moving, flexible work environment attracting employees who focus on providing accelerated profitable growth. Our vision is to be the technology behind every innovative and reliable wireless solution by 2025.

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The GY series of supercapacitors are cylindrical cells offering excellent value. They are available as single cells, or dual cell modules with a choice of cell balancing options.


  • High power output to support peak current loads

  • On-board energy storage to handle power surges (high capacitance and energy density)

  • Long cycle life 


Specifications for BL654 USB adapter

Product type Intelligent USB Bluetooth v5 Adapter or DVK for BL654 Module Integrated Antenna or DVK for BL654 Module External Antenna or Intelligent USB Bluetooth v5 standard firmware
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Building on Laird’s expertise with Nordic from the BL600 and BL652 series comes the most powerful yet -the BL654 series! It provides OEMs with maximum design flexibility and performance. A complete multi-protocol embedded wireless offering with exceptional processing capability, all at a micropower budget. Powered by Nordic’s nRF52840 silicon, the small form factor BL654 modules, DVKs and USB Dongle provide for a secure, robust BLE and Cortex -M4F CPU for any OEM’s product design. The BL654 provides you with maximum development flexibility with programming options for the Nordic SDK, a simple, intuitive AT Command Set, as well as Laird’s own smartBASIC environment.

The BL654 series brings out all nRF52840 hardware features and capabilities including USB access, up to 5.5V supply considerations, and 802.15.4 (Thread) implementation. Complete regulatory certifications enable faster time to market and reduced development risk completes Laird’s simplification of your next Bluetooth design!


Secure, Efficient, and Optimized

  • Bluetooth 5 & Thread (802.15.4) - Bluetooth Low Energy (BLE) plus NFC, featuring Nordic nRF52840

  • Widest Range of Configurable Interfaces - UART, I2C, SPI, ADC, GPIO, PWM, FREQ, USB, and NFC

  • 2Mbps & LE Long Range - Support for 2Mbps, 1Mbps, & 125kps coded

  • Hostless Operation with Powerful Core - Internal MCU reduces BOM and Cortex-M4F (1Mbit Flash, 256k RAM)

  • Application Design Choice - Leverage Laird’s smartBASIC, simple AT Command Set or utilize Nordic SDK directly

  • USB Dongle Option - Packaged USB Adapter – bring full Bluetooth 5 connectivity to ANY device with a virtual COM port capability


Multiple Options for Design Flexibility

PCB Module

  • 451-00001 - BL654 w/ integrated antenna
  • 451-00002 - BL654 w/ IPEX MHF4 connector

BL654 Modules




USB Adapter

  • 451-00003 - BL654-USB with smartBASIC
  • 451-00004 - BL654-USB for Nordic/Zephyr

BL654-USB Modules



 Kit That Delivers Just What You Need

Laird’s BL654 development kits provide a platform for rapid prototyping of BL654 modules. The development boards provide simple, easy-to-use access to the various hardware interfaces and configuration options for the modules. These DVKs are the perfect platform to provide early development testing of BL654 features and functionality.

  1. DVK Unit
  2. External NFC Antenna
  3. FlexPIFA Antenna (455-00002 DVK only)
  4. Fly Leads (x6)
  5. USB-A to Micro-USB Cable
  6. DVK Board Standoffs

BLE Mesh Dev Kit Contents