Skip to main contentAccessibility help
Accessibility feedback
Celebrating the Route 66 Centennial
Go to Google home
Press / to jump to the search box
Choose what you’re giving feedback on
  • Delete
  • See more
  • Delete
    • See more
    • Report inappropriate predictions
    Quick Settings
    Sign in
    AI Mode
    All
    Shopping
    Images
    Videos
    Forums
    Short videos
    More
    Tools

    Search Results

    Any time
    Any time
    Past hour
    Past 24 hours
    Past week
    Past month
    Past year
    Custom range...
    Custom date range
    Go
    All results
    All results
    Verbatim
    Advanced Search
    About 232 results (0.23s) 
    Ctrl+Shift+X to select

    Refine results

    • Category
      • Electrical Relays
      • Light Switches
      • Development Boards & Kits
      • Integrated Circuits
    • Stores
      • Adafruit Industries
      • eBay
      • DigiKey
      • Walmart
      See more
    • Color
      • Blue
      • Green
      • Teal
      • Navy Blue
      • Gray
    • Price
      • Under $10
      • $10 - $30
      • $30 - $80
      • Over $80
      • $
        Please provide a valid price.
        $
        Please provide a valid price.
    • Sort by
      • Price: low to high
      • Price: high to low
    • Product Rating
      •  4 and up
    • Features
      • Smart
      • Wireless
    • Genre
      • Computer
      • Technology
    • Free shipping
      • Free shipping
    • Brand
      • Adafruit
      • Yamaha
      • Elecbee
      • MikroElektronika
      See more
    Failed to load more results. Please try again later.
    Nearby
    For Sale
    Reviews
    On sale
    Buy
    Electrical Relays
    Price
    Replacement
    Light Switches
    New
    Used
    Get it by Sat
    Adafruit Industries
    Development Boards & Kits
    Integrated Circuits
    eBay
    Blue
    Under $10
    Green
    Usa
    Online
    Size
    Location
    DigiKey
    Teal
    Navy Blue
    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    A BLE master module (or central) scans for, connects to, and manages data exchange with slave (peripheral) devices, commonly used for IoT and wearable applications. Popular modules include the HM-10 (CC2541), Nordic Semiconductor-based nRF52 series (e.g., MS88SFA), and HLK-B50, which are configured using AT commands to initiate connections. 
    This video provides a practical guide on how to configure a BLE module as a master or slave using AT commands:
    Related video thumbnail
    1m
    #1 BLUETOOTH BLE 5.0 HLK B50 - AT COMMANDS ...
    Saravanan AL
    YouTube• Sep 21, 2024
    Key Characteristics & Capabilities 
    • Role: Acts as the central device that initiates connections, scans for advertising slaves, and manages data flow.
    • Configuration: Typically managed via UART AT commands, such as AT+ROLE=1 (for Master, depending on the module) or AT+SCANMODE.
    • Connection: Can connect to multiple peripherals simultaneously, acting as a gateway.
    • Applications: Ideal for sensors, smart home hubs, and wearable tracking. 
    Common BLE Master Modules 
    • DSD TECH HM-10 / HM-11: Based on TI CC2541, supports low-power UART connectivity.
    • Nordic nRF52 Series (e.g., MS88SFA): Highly flexible, supports BLE 5.0 and later, often used for higher performance.
    • Ebyte E104-BT12: Suitable for low-power IoT applications. 
    Typical AT Command Setup (e.g., HLK-B50) 
    1. Enter Command Mode: Send +++.
    2. Set as Master: AT+ROLE=2.
    3. Set Scan Mode: AT+SCANMODE=1 (bind by name).
    4. Connect to Slave: AT+PNAME=[Slave Name]. 
    When choosing a module, prioritize energy efficiency for battery-powered devices and ensure the module supports the required connection capacity. 
    • MS88SFA nRF52833 BLE Master Slave Bluetooth Module - Tindie
      The MS88SFA is a BLE5. 4 PA/LNA module base on highly flexible and very low power-loss nRF52833 SoC. ... No shipping info availabl...
      Tindie
    • What is a BLE Module And How Does It Work?
      Jun 27, 2024 — BLE modules are characterized by: * **Low power consumption** * **Cost-effective implementation** * **Lower data transfer rates** ...
      MOKO Smart
    • How Bluetooth Module Works & M-B14001 BLE Module Introduction
      Nov 6, 2020 — Generally speaking, BLE module has four working modes: master mode, slave mode, broadcast mode, and Mesh networking mode. * Master...
      DreamLNK
    Show all
    • A View Of BLE Connection Roles: Central / Master ... - RF-star
      Apr 9, 2024 — Tips for Choosing Master and Slave BLE Modules. Energy Efficiency Priority: Determine if energy conservation is a top priority for...
      Shenzhen RF-star Technology Co., Ltd.
    • MS88SFA nRF52833 BLE Master Slave Bluetooth Module - Tindie
      The MS88SFA is a BLE5. 4 PA/LNA module base on highly flexible and very low power-loss nRF52833 SoC. ... No shipping info availabl...
      Tindie
    • What is a BLE Module And How Does It Work?
      Jun 27, 2024 — BLE modules are characterized by: * **Low power consumption** * **Cost-effective implementation** * **Lower data transfer rates** ...
      MOKO Smart
    • How Bluetooth Module Works & M-B14001 BLE Module Introduction
      Nov 6, 2020 — Generally speaking, BLE module has four working modes: master mode, slave mode, broadcast mode, and Mesh networking mode. * Master...
      DreamLNK
    • #1 BLUETOOTH BLE 5.0 HLK B50 - AT COMMANDS ...
      Sep 21, 2024 — and it'll reflect on the Android app on the mobile. so two-way communication is possible uh only on connection. you'll get the red...
      2m
      YouTube·Saravanan AL
    • DSD TECH HM-10 Bluetooth 4.0 BLE iBeacon UART Module with ...
      Robust & Protected Design Housed in a protective anti-static case, the module is safeguarded against electrostatic discharge durin...
      Amazon.com
    • Bluetooth Low Energy 4.0 Module - HM-10 — Arduino Official Store
      The Arduino Bluetooth 4.0 Low Energy (BLE) module is a module that's compliant with ISM 2.4 GHz. It's based on the Texas Instrumen...
      Arduino Official Store
    • Intro to Bluetooth Low Energy (BLE) and the BLE Micro
      Jun 7, 2015 — but you can get them for like5 or $6. there of course the the quality could be questionable. another thing I like about it is it u...
      5m
      YouTube·ForceTronics
    • Master BLE Basics in Just 10 Minutes: The Ultimate Guide!
      Jul 20, 2021 — this can mean that essential can have connections to multiple peripherals. or a peripheral can have connections to multiple centra...
      1m
      YouTube·Novel Bits
    • Bluetooth Low Energy Modules (BLE) - InsightSIP
      Bluetooth Low Energy Modules for Short Range Networking. Bluetooth Low Energy Modules (BLE) from Insight SIP are perfectly suited ...
      InsightSIP
    • What is a BLE Module? The Core Technology of Low-Energy ... - Ebyte
      Oct 16, 2024 — The BLE module transmits data on the 2.4GHz frequency band through frequency division multiplexing technology. It adopts a master-
      Ebyte
    AI can make mistakes, so double-check responses
    Share
    Facebook
    WhatsApp
    X
    Email
    Click to copy link
    Share link
    Link copied
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedback
    Report a problem
    Close
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedback
    Report a problem
    Close
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedback
    Report a problem
    Close
    Show more
    My Ad Center

    Web results

    What is a BLE Module And How Does It Work?


    MOKO Smart
    https://www.mokosmart.com › Products › IoT Basic
    MOKO Smart
    https://www.mokosmart.com › Products › IoT Basic
    Jun 27, 2024 — Bluetooth modules are embedded printed circuit board assemblies (PCBAs) that integrate Bluetooth wireless communication capabilities.Read more

    Luabby Smart BLE Module BLE5101 Support Master-Slave ...


    Amazon.com
    https://www.amazon.com › Luabby-Smart-BLE5101-M...
    Amazon.com
    https://www.amazon.com › Luabby-Smart-BLE5101-M...
    BLE5101 is a BLE module based on BLE 5.1 Protocol, coexistence of master and slave roles, small size, low power consumption, and the working signal ...Read more
    Videos
    Introduction To Bluetooth Low Energy(BLE) Module-AT-09 ...
    YouTube · Chinedu Ernest
    Apr 23, 2021
    YouTube · Chinedu Ernest
    8:20
    Use an Arduino board as a USB to TTL converter to communicate with the AT-09 BLE module using AT commands.
    Chinedu Ernest
    YouTube·
    Apr 23, 2021

    Introduction To Bluetooth Low Energy(BLE) Module-AT-09 ...

    YouTube·Chinedu Ernest·Apr 23, 2021
    YouTube
    #1 BLUETOOTH BLE 5.0 HLK B50 - AT COMMANDS ...
    YouTube · Saravanan AL
    Sep 21, 2024
    YouTube · Saravanan AL
    9:45
    To enter AT mode on the HLK B50, press and hold the AT button for 3 seconds after powering on.
    Saravanan AL
    YouTube·
    Sep 22, 2024

    #1 BLUETOOTH BLE 5.0 HLK B50 - AT COMMANDS ...

    YouTube·Saravanan AL·Sep 22, 2024
    YouTube
    BLE with ESP32 tutorial part 1: the Server
    YouTube · MoThunderz
    Jan 29, 2023
    YouTube · MoThunderz
    25:23
    In this first video I'd like to focus on the server how do we implement the server the right way in the esp32 and what kind of data can we send from the esp32.
    MoThunderz
    YouTube·
    Jan 29, 2023

    BLE with ESP32 tutorial part 1: the Server

    YouTube·MoThunderz·Jan 29, 2023
    YouTube
    In this video
    • 05:13
      the "ESP32 BLE" library is included in the latest releases of the ESP32 compiler and you dont need to add an extra library. To check if the library is included go to File - Examples and search for "ESP32 BLE Arduino". If these examples are present, the library is installed.
    • 05:28
      correction, the real author is Neil Kolban, but it might show up under Dariusz Krempa. Anyway, on new installations the library is included per default and you do not need to install anymore.
    • 09:50
      delay(3) will provide a 3ms delay, not 3ns as I state in the video.
    View all

    Web results

    A View Of BLE Connection Roles: Central / Master Vs. ...


    Shenzhen RF-star Technology Co., Ltd.
    https://www.rfstariot.com › blog › a-view-of-ble-connect...
    Shenzhen RF-star Technology Co., Ltd.
    https://www.rfstariot.com › blog › a-view-of-ble-connect...
    Apr 9, 2024 — Tips for Choosing Master and Slave BLE Modules. Energy Efficiency Priority: Determine if energy conservation is a top priority for your device.Read more

    What are the features of Bluetooth Master Slave Module?


    skylabmodule.com
    https://www.skylabmodule.com › bluetooth-master-slav...
    skylabmodule.com
    https://www.skylabmodule.com › bluetooth-master-slav...
    Bluetooth master slave module is another wireless technology standard developed to exchange data between devices over a short range without wires.Read more

    Bluetooth® Modules | Bluetooth Classic & BLE Modules


    Ezurio
    https://www.ezurio.com › wireless-modules › bluetooth...
    Ezurio
    https://www.ezurio.com › wireless-modules › bluetooth...
    Industry-leading Bluetooth 5, BLE, and classic Bluetooth modules with powerful programming software like smartBASIC.
    Missing: master ‎| Show results with: master

    How to set up one BLE device as MASTER and ...


    DFRobot
    https://www.dfrobot.com › forum › topic
    DFRobot
    https://www.dfrobot.com › forum › topic
    Jul 12, 2024 — How would I set up one BLE device to be MASTER and automatically create a connection to another BLE device in slave mode? userHeadPic niu.yixuan ...Read more

    A Comprehensive Guide for BLE Module: From Basics ...


    DusunIoT
    https://www.dusuniot.com › Blog
    DusunIoT
    https://www.dusuniot.com › Blog
    Sep 2, 2023 — Master Mode. In master mode, a Bluetooth module can search for and connect to desired slave devices within its vicinity. It can send and receive ...Read more

    High-Speed Low-Power master-slave integrated BLE 5


    Tindie
    https://www.tindie.com › products › bluetoothmodule
    Tindie
    https://www.tindie.com › products › bluetoothmodule
    What is it? The TS-M1037 is a high-speed, master-slave integrated BLE 5.2 Bluetooth module designed for reliable and efficient wireless communication.Read more
    $2.70 · In stock · 14-day returns
    Popular products
    • Bluetooth 4.0 HM-10 Master Slave Module.
      Bluetooth 4.0 HM-10 Master Slave Module
      $18.93
      RobotShop.com
      4.8(9)
      Bluetooth 4.0 HM-10 Master Slave Module
      $18.93
      RobotShop.com
      4.8(9)
    • Stereo Audio Module Ble 4.0 Master Csr8635 Stereo Control Chip Speaker.
      Stereo Audio Module Ble 4.0 Master Csr8635 Stereo Control Chip Speaker
      $9.39
      eBay - southystar
      5.0(1)
      Stereo Audio Module Ble 4.0 Master Csr8635 Stereo Control Chip Speaker
      $9.39
      eBay - southystar
      5.0(1)
    • SparkFun Artemis Module.
      SparkFun Artemis Module
      $9.95
      SparkFun Electronics       & more
      SparkFun Artemis Module
      $9.95
      SparkFun Electronics       & more
      Free delivery on $100+
    • CHIPSEN BoT-nLE521MD Bluetooth v5.0 BLE Class2 (+4dBm) DIP Master Module w/ Chip Antenna & Pin Headers.
      CHIPSEN BoT-nLE521MD Bluetooth v5.0 BLE Class2 (+4dBm) DIP Master Module w/ Chip Antenna & Pin Headers
      $10.49
      Envistia Mall
      CHIPSEN BoT-nLE521MD Bluetooth v5.0 BLE Class2 (+4dBm) DIP Master Module w/ Chip Antenna & Pin Headers
      $10.49
      Envistia Mall
    • RF-Star BLE Master Slave UART Module.
      RF-Star BLE Master Slave UART Module
      $13.04
      OzRobotics.com
      RF-Star BLE Master Slave UART Module
      $13.04
      OzRobotics.com
      Free delivery
    • E104-BT5005A serial to BLE master-slave integrated module OEM Service.
      E104-BT5005A serial to BLE master-slave integrated module OEM Service
      $2.54
      RobotShop.com
      E104-BT5005A serial to BLE master-slave integrated module OEM Service
      $2.54
      RobotShop.com
    • Bluetooth Module 4.0 BLE Serial Port Master-Slave Integrated iBeacon HM10 ANCS | Ibeacon Integration.
      Bluetooth Module 4.0 BLE Serial Port Master-Slave Integrated iBeacon HM10 ANCS | Ibeacon Integration
      $1.89
      AliExpress
      Bluetooth Module 4.0 BLE Serial Port Master-Slave Integrated iBeacon HM10 ANCS | Ibeacon Integration
      $1.89
      AliExpress
    • BLE Micro Super Compact BLE Module.
      BLE Micro Super Compact BLE Module
      $9.90
      DFRobot       & more
      BLE Micro Super Compact BLE Module
      $9.90
      DFRobot       & more
    More products
    • Seeed Technology Co., Ltd EMB1061 BLE Module.
      Seeed Technology Co., Ltd EMB1061 BLE Module
      $3.20
      Seeed Studio       & more
      Seeed Technology Co., Ltd EMB1061 BLE Module
      $3.20
      Seeed Studio       & more
    • Shillehtek HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino.
      Shillehtek HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino
      $7.99
      ShillehTek
      Shillehtek HM-10 Bluetooth 4.0 BLE CC2541 Master/Slave Module for Arduino
      $7.99
      ShillehTek
      Free delivery
    • Hm-10 Bluetooth Ble Module.
      Hm-10 Bluetooth Ble Module
      $14.99
      Tinkersphere
      Hm-10 Bluetooth Ble Module
      $14.99
      Tinkersphere
    • 2.4G Bluetooth Module.
      2.4G Bluetooth Module
      $11.50
      Walmart - EBYTE IoT Application Expert
      2.4G Bluetooth Module
      $11.50
      Walmart - EBYTE IoT Application Expert
    • HM-10 Bluetooth 4.0 BLE Module Master-Slave.
      HM-10 Bluetooth 4.0 BLE Module Master-Slave
      $3.00
      pcb-hero.com
      HM-10 Bluetooth 4.0 BLE Module Master-Slave
      $3.00
      pcb-hero.com
    • Adafruit Bluefruit Le SPI Friend Bluetooth Low Energy BLE.
      Adafruit Bluefruit Le SPI Friend Bluetooth Low Energy BLE
      $17.50
      DigiKey       & more
      5.0(4)
      Adafruit Bluefruit Le SPI Friend Bluetooth Low Energy BLE
      $17.50
      DigiKey       & more
      5.0(4)
    • Stereo Audio Module Ble 4.0 Master Csr8635 Stereo Control Speaker.
      Stereo Audio Module Ble 4.0 Master Csr8635 Stereo Control Speaker
      $9.01
      eBay - yetibee
      5.0(1)
      Stereo Audio Module Ble 4.0 Master Csr8635 Stereo Control Speaker
      $9.01
      eBay - yetibee
      5.0(1)
    • HC-08 BLE Master & Slave Bluetooth Module.
      HC-08 BLE Master & Slave Bluetooth Module
      $15.99
      Tinkersphere
      HC-08 BLE Master & Slave Bluetooth Module
      $15.99
      Tinkersphere
    Discussions and forums
    Is there an off-the-shelf BLE/bluetooth module with integrated stack? How do you use them?
    Reddit · 
    r/embedded
     · 7 comments
     · 3 months ago
    Is there an off-the-shelf BLE/bluetooth module with integrated stack? How do you use them?
    Reddit · 
    r/embedded
     · 7 comments
     · 3 months ago
    U-blox NINA-Bxx series. Standard AT-commands over UART, or an interleaved protocol over ...  More
    Top answer · 3 votes · 3 months ago
    ESP32  More
    2 votes · 3 months ago
    Usually the best approach for this kind of stuff is to go straight to the manufacturer's website ...  More
    2 votes · 3 months ago
    BLE (Bluetooth Low energy), Master - Slave Setup.
    Arduino Forum · 
    9 years ago
    BLE (Bluetooth Low energy), Master - Slave Setup.
    Arduino Forum · 
    9 years ago
    ... Master/Gateway node will be requesting an data from the End nodes. I have tried 1-1 communication between BLEs using Arduino + HM10(Module).  More
    Arduino Uno + BLE HM-10 Master Mode collecting custom characteristic
    Arduino Forum · 
    5 years ago
    Arduino Uno + BLE HM-10 Master Mode collecting custom characteristic
    Arduino Forum · 
    5 years ago
    I am really really struggling with such a simple thing as collecting one custom characteristic using arduino from BLE 4.0 module which is broadcasting this.  More
    See more
    People also ask
    What is a BLE module?
    Bluetooth Low Energy (Bluetooth LE, colloquially BLE, formerly marketed as Bluetooth Smart) is a wireless personal area network technology designed and marketed by the Bluetooth Special Interest Group (Bluetooth SIG) aimed at novel applications in the healthcare, fitness, beacons, security, and home entertainment ...

    Bluetooth Low Energy - Wikipedia


    Wikipedia
    https://en.wikipedia.org › wiki › Bluetooth_Low_Energy
    Wikipedia
    https://en.wikipedia.org › wiki › Bluetooth_Low_Energy
    Is BLE better than Bluetooth?
    Since BLE transmits over 40 channels, it is more flexible than Bluetooth Classic. BLE can transmit data using a mesh signal, which enables you to connect a network of devices. BLE communicates in short bursts, unlike Bluetooth Classic, which was designed to transmit data continuously.Dec 23, 2024

    Bluetooth Low Energy vs. Bluetooth: Key Differences - Surgere


    Surgere
    https://surgere.com › blog › bluetooth-low-energy-vs-bl...
    Surgere
    https://surgere.com › blog › bluetooth-low-energy-vs-bl...
    What is a BLE Bluetooth device?
    An error has occurred. Please try again later.
    Why is Bluetooth called BLE?
    The name refers to Harald I of Denmark, nicknamed ” Blåtand ” in Old Norse, which means ” blue tooth ” suggesting that he either had rotten teeth or a strong liking for blueberries, which stain the tongue and teeth.Mar 10, 2025

    A Viking king came up with the word " Bluetooth ": the incredible anecdote ...


    Culturez-vous
    https://culturezvous.com › viking-king-word-bluetooth-i...
    Culturez-vous
    https://culturezvous.com › viking-king-word-bluetooth-i...
    People also search for
    Ble master module iphone
    Ble master module not working

    Page Navigation

    12345678910Next

    Footer Links

    Downtown Los Angeles, Los Angeles, CA
     - From your IP address
     - 
    Update location
    Can't update your location
    Learn more
    Updating location...
    HelpSend feedbackPrivacyTerms
    Google apps