Ble uuid list. The page you linked to has the numbers in the table.

Ble uuid list service. . std::string toString const Get a string representation of the UUID. The output of primary is telling you which services your device supports, e. Being an attribute, the UUID could be either a standard Bluetooth-SIG defined UUID (16-bits) or a vendor specific 在BLE Host协议中离不开UUID这个专有名词，若不能准确理解它，则影响对Host协议的理解深度。UUID其实就是一个128 bit的数字，UUID是Universally Unique Identifier的缩写。它是基于特定算法生成的128位长的数字，其目的是确保特定范围内这个数字的唯一性。 usage: ble_guuide. For example, the Client Configuration Descriptor UUID (2902) is actually 00002902-0000-1000-8000–00805f9b34fb. Get the bit size of the UUID, 16, 32 or 128. c. This information may be used by peer Bluetooth devices to find representative Request Assigned Numbers. 128-bit UUIDs: These are longer, custom identifiers that allow for the definition of proprietary or application-specific services. These beacons are widely used for location-based services, asset tracking, and I am having trouble using startLeScan( new UUID[]{ MY_DESIRED_128_BIT_SERVICE_UUID }, callback ) on the new introduced BLE API of Android 4. Table 1. Each UUID is a 128 bit value. See below question: What range of Bluetooth UUIDs can be used for vendor defined profiles? For reference, you can see inside bluez's source tree, plugins/gatt-example. 假如32bits的uuid是0x12345678,则转换成128bits的uuid是 0x12345678-0000-1000-8000-00805F9B34FB. You just need to check the GATT spec. On Bluetooth. I can see the device advertising and can use another App (lightblue) to confirm its advertising and that the UUID is visible, but the Adver You need to check the content of the ble_advdata_uuid_list_t that is passed to uuid_list_sized_encode(). UUIDs are used in many protocols and applications other than Bluetooth, and their format, usage, 相关帖子. 14 Android 5. I'm assuming not all UUID's for various BLE devices are the same (if they are, let me know). py --help usage: ble_command_set_shutter. You can find a list of these UUIDs in the official Bluetooth SIG documentation, for example Heart Rate Service: 0x180D. Only a 128-bit UUID can be user-generated, as the shorter UUIDs are assigned by the Bluetooth SIG. 0中的UUID概念，包括128Bits、32Bits和16Bits UUID的详细解析。蓝牙基地址Bluetooth_Base_UUID用于与自定义UUID组合，形成完整的128Bits标识符。自定义UUID常用于特定供应商，而32Bits和16Bits UUID作为偏移量简化了表示。遵循蓝牙联盟规范，开发者可以选择通用UUID或 ble中的uuid是一种唯一的标识符，用于标识ble设备中的服务和特征。uuid是一个128位的值，可以分为两类：标准uuid和自定义uuid。 uuid1和uuid2没有一个具体的定义，因为uuid是可以自定义的，但是可以根据uuid的格式进行一些猜测。 Hi, I'm trying to get the AdvertiserServiceUuids from a list of mac addresses. HashMap;: import java. util. 0x05. There are five different UUID versions which are version 1 , version 2, version 3, version 4 and version 5. See BLE 서비스와 특성. 각 서비스는 UUID라 불리우는 16bit(for officially I have a BLE device and currently I have manually entered service/characteristic UUID's and my app is working as intended. I guess you are free to define your UUID for your service, you don't need to follow the format you mentioned. Because each packet that you send must include the destination service UUID, using a longer UUID uses up a lot of the bytes available in the payload. Results will be printed to console. I am trying to make a simple app to send and receive data between my Android phone and Arduino UNO connected to a BLE module (CH9141). If you're creating a custom service or characteristic, you'll need to generate a 128-bit UUID. over 8 years ago. -m, --map perform functionality mapping over extracted UUIDs. A service class UUID is intended to represent a common service among a android ble连上后无法获取到相应的UUID，##如何在Android中实现BLE连接并获取UUID在移动开发中，使用蓝牙低能耗（BLE）技术进行设备通信非常常见。对于刚入行的开发者，理解BLE的连接流程和如何获取服务的UUID是至关重要的。本文将为你提供一个清晰的流程，并逐步教会你如何实现这一功能。 本文将深入探讨如何在Android平台上高效获取BLE设备的UUID，帮助开发者们解决实际开发中的难题。 一、BLE基础概念. (BLE) to transmit data to nearby Bluetooth-enabled devices. Skip to main content. A client shall support the use of both 16-bit and 128-bit Characteristic UUIDs. Android ble （蓝牙低功耗） 中的坑和技巧 一、如何定义ble中service uuid？ 蓝牙标准规范里面定义了很多已经定义过的service uuid，如果冲突了会造成很多意外的问题。 蓝牙的service uuid的格式如下 UUID. The callback just doesn't get called. To request Company Identifiers, 16-bit UUIDs for members, and non-member UUIDs or for more information about Bluetooth Assigned Numbers, visit the I have a BLE device and currently I have manually entered service/characteristic UUID's and my app is working as intended. To request Company Identifiers, 16-bit UUIDs for members, and non-member UUIDs or for more information about Bluetooth Assigned Numbers, visit the Assigned Numbers Support page. Some of them are the service data types, which Data Type Value This is a regularly updated document listing assigned numbers, codes, and identifiers in the Bluetooth specifications. vsflatomation. The following examples may be not exactly the same. 0 and BLE advertising of custom Service UUID. 假如16bits的uuid为0x1234,则转换成128bits的uuid是: 0x00001234-0000-1000-8000-00805F9B34FB. The output of primary does not list the Battery Service (org. For BLE-enabled devices to transmit data between each other, they must first form a channel of communication. 在深入探讨获取UUID的方法之前，我们先来了解一些BLE的基础概念。 1. The BluetoothUUID interface of the Web Bluetooth API provides a way to look up Universally Unique Identifier (UUID) values by name in the registry maintained by the Bluetooth SIG. The device state is broadcast in the Manufacturer Data section of the Bluetooth Low Energy Advertisement packet, under the Victron manufacturer ID of 737. You are not permitted to use the UUIDs generated by this site if you do not agree to these terms. Maintainer - package com. Can someone help me convert my BLE service ID to a UUID format I am using Flutter Reactive BLE plugin for BLE communications in my app. metadat) ) and you will see what you can use. I want to use the following Code: I'm trying to use BLE library for python to communicate with one Nordic nrf51844 chipset. The 16-bit UUIDs are shortcuts for a corresponding 128-bit UUID and is translated as. It seems the UUID assigned is 2A1F but I think it should either be 2A1C and specify if it is C or F, or 2A6E for @Sebastien DENOUAL Thanks for the suggestion. The UUIDs are service IDs but the data you are looking for is not part of a service. This information is published as Bluetooth SDP records, and optionally in an Extended Inquiry Response1. UUID=0x18xx or self-defined. 0x03. 在BLE开发中，经常会用到BLE GATT UUIDS的查找，包含Service、Characteristic、Descriptor。 这里整理了一些Bluetooth SIG定义的标准UUID。 蓝牙低功耗（BLE）是一种无线技术，允许设备之间进行短距离的数据交换。在Android应用开发中，UUID（通用唯一识别码）是BLE通信的核心组成部分。每个BLE设备都需要一个或多个UUID来标识其服务和特性。本文将深入探讨Android BLE UUID的作用、类型以及如何正确使用它们。 Hello. 234 How to set Custom height for Widget in GridView in Flutter? 0 0x2A37 is the UUID for the Heart Rate Measurement characteristic. : the first segment of uuid: 00001800-0000-1000-8000-00805f9b34fb is 00001800 which is the Generic Access service (org. 3 on my Nexus 4. Adafruit's base UUID is ADAFxxxx-C332-42A8-93BD-25E905756CB8 where First, a few things to know: “A UUID is a universally unique identifier that is guaranteed to be unique across all space and all time” (Bluetooth 4. Beta Was this translation helpful? Give feedback. The other is via an Arduino BLE server with a custom UUID for it's service. MakeCode for micro:bit でプログラミングし、コンパイルしたHEX形式ファイルをmicro:bitへ転送すると、アプリケーションからは、micro:bitがBLEデバイスとしてアドバタイジングしている様子を確認す How to get a UUID: Many standard services and characteristics in Bluetooth and BLE have predefined 16-bit UUIDs. UUID FE2C; DATA 92BBBD; Tx Power Level; Service UUID FE2C; Google Pixel Buds. Once your app has permission to use Bluetooth, your app needs to access the BluetoothAdapter and determine if Bluetooth is available on the HID（Human Interface Device）人体学接口设备。由其名称可以了解HID设备是直接与人交互的设备，比如键盘、鼠标、游戏手柄、翻页笔、蓝牙自拍杆等等，其既可以使用usb接口来实现，也可以使用在蓝牙作为传输层，实现无线HID设备，也就是说，BLE HID协议规范其实是以USB HID协议规范为蓝本的，可以认为是 Behind the scenes, sd_ble_uuid_vs_add() will add the base UUID to the softdevice's internal list of base UUIDs, and return the table index for this UUID in the type field. metadata))? maybe it is dictionary and you can get values like from dictionary?OR maybe check what functions/methods it has print( dir(d. All reactions. This document is referenced by the Bluetooth Core Specification, Welcome to the Bluetooth Numbers Database, an online repository containing metadata and de Bluetooth Numbers Database is maintained by Nordic Semiconductor ASA. You use that number because the spec says that is what it is. 4. Service Data. $ python ble_command_set_shutter. ServiceとCharacteristicのUUIDは、以下のPDFに記載されています。 A universally unique identifier (UUID) is a 128-bit (16 bytes) number that is guaranteed (or has a high probability) to be globally unique. The supported service list is defined by firmware. The Service Data data type consists of a service UUID with the data associated with that service. 1 BLE设备与GATT. 2 spec. Complete List of 32-bit Service The BCS defines two ways of "pushing" data: Vol 3: Part G, Ch. Use of the Bluetooth LE APIs requires you to declare several permissions in your manifest file. 77 03 00 0F18 Read: Get supported UUID value in RAM, ordered as chapter 3 description UUID_batteryLevel (1-byte) 78 04 00 0F18 64 ErrorCode=0 means success UUID 前言：对于BLE中的GATT Profile经常用到的UUID(universally unique identifier)做一些概述。1. Developers can create their own 128-bit UUIDs for specialized use cases. I am new to BLE. Comment options {{title}} Something went wrong. A UUID string is a 128-bit UUID, for example 00001818-0000-1000-8000-00805f9b34fb. fromString("00001234-0000-1000-8000-00805f9b34fb") Could someone explain to me, what is the diffrence between Incomplete and complete List of 16-bit Service UUIDs. BLE设备通过GATT（Generic Attribute Profile）进行通信。 1. Incomplete List of 32-bit Service Class UUIDs. About; Products uuid = "11111111-2222-3333-4444-555555555555" major = 2 # 1 - 65535 minor = 1 # 1 - 65535 txpower = 1 interval = 200 service. I think the issue is that uuid_list_encode() first tries to encode a list of 16-bit UUIDs and then a list of 128-bit UUIDs. A service can have one or more 아두이노를 사용하다보면 BLE(Bluetooth Low Energy)모듈을 사용하여 다양한 앱과 장치를 연결하여야 하는 경우가 있습니다. 1 Bluetooth GATT UUID. generic_access, 0x1800). 1 Android App: Connecting to GATT server using UUIDs. Here is the code of the server: import time from bluetooth. You don’t need a UUID in order to receive the BLE advertisement data. In other words, a 16-bit SIG-approved UUID is actually just part of a 128-bit UUID. ble;: import java. Contribute to SpeastTV/BLE-Payloads development by creating an account on GitHub. Here is the service id: 000018AE-0000-1000-8000-00805F9B34FB. 하나의 BLE 장치는 여러가지 서비스(Service)를 제공할 수 있으며, 각 서비스는 하나 이상의 특성(Characteristic)으로 구성되어 있다. If I use mobile device B's BLE Scanner app and scan for the arduino I can find it, connect to it and see the Services along with each services UUID. sam016. 2 spec, Vol 3, Part Characteristic value UUID: The UUID (type) of the characteristic value. Use to access BLE service and related function. Adafruit's 128-bit Universally Unique Identifiers (UUID) all share a base UUID. When using the type in a ble_uuid_t later, the softdevice can look up the base used in this same table by using this index. const ble_uuid_t * getBase const Get a pointer to the NimBLE UUID base structure. BLE devices A Universally Unique Identifier (UUID) is a globally unique 128-bit (16-byte) number that is used to identify profiles, services, and data types in a Generic Attribute (GATT) profile. optional arguments: you are using the official base UUID: xxxxxxxx-0000-1000-8000-00805f9b34fb, from which all upper 32-bit are reserved (some already assigned. 128bits的UUID UUID作为通用唯一标识符，它的长度为固定的128Bits。128Bits长度的数据使得我们有足够大空间划分来区别不同的数据。 对于128Bits长度的数据来说，用户每次要使用一个UUID就要确定128个Bits，不利于操作。 I have a custom BLE peripheral that advertises data like this: In other words, my BLE peripheral advertises a service UUID associated with a unique identifier in advertised service data, but it does not add that service UUID to advertised service list because if I do that, I don't have room in the BLE frame to add battery level when I need to. g. You are responsible for using the UUIDs and assume any risk inherent to using them. 이라 불리는 데이터 단위를 하나 이상 포함하고 있습니다. 0x04. 128-bit UUID = 16-bit Attribute UUID * 2^96 + Bluetooth_Base_UUID with Bluetooth_Base_UUID being 00000000-0000-1000-8000-00805F9B34FB. Hot Network Questions IEEE 11073-20601 Regulatory Certification Data List. The only thing left is just mapping the names with UUID's, which You will probably have to write on your own. 连接蓝牙时显示的确认UUID是设备提供的某个服务的唯一标识符。通过确认这个UUID，你可以确保连接到正确的蓝牙服务，并实现设备间的通信。在连接蓝牙设备时，UUID（Universally Unique Identifier，通用唯一识别码）是一个非常重要的概念。UUID是一个128位的标识符，用于唯一标识蓝牙设备中的服务和特征。 1 蓝⽛技术联盟 uuid 蓝⽛核⼼规范制定了两种不同的uuid，⼀种是基本的uuid，⼀种是代替基本uuid的16位uuid。 所有的蓝⽛技术联盟定义 UUID 共⽤了⼀个基本的 UUID ：0x0000xxxx-0000-1000-8000-00805F9B34FB为了 Incomplete List of 16-bit Service Class UUIDs. さて、UUIDがどんなもので、どのようなフォーマットなのかまで学びました。 実際のBLEプログラミングでの使われ方を見ていきましょう。 BLEでUUIDを使う対象は3つあります。 ペリフェラル(Peripheral) static uint32_t uuid_list_sized_encode(const ble_advdata_uuid_list_t * p_uuid_list, uint8_t adv_type, uint8_t uuid_size, As we're working on Bluetooth LE, we will sometimes need UUIDs for services or characteristics (or other things that need randomly generated UUIDs). 서비스와 특성은 둘다 128Bit 또는 16Bit의 UUID로 구분하고 있으며, 특성은 읽기,쓰기, 공지(Notify), 등의 속성을 갖는다. I am using the example you suggested and I still see incorrect behavior. They are all transformable to 128-bit ones You got. Therefore, these shortened formats can only be used with UUIDs that are defined by the BLE specification. 11: Service Solicitation UUID data types. Having trouble with custom UUID in Android BLE. ) Instead, you should use your own 128-bit UUID. const NimBLEUUID & to128 () A list of Payloads for BLE-Devices. optional arguments: -h, --help show this help message and exit -s, --stats perform statistical analysis over extracted UUIDs. I can send data (bytes) from the app to Arduino 文章浏览阅读7. heart rate. 2 蓝牙技术联盟uuid 蓝牙核心规范制定了两种不同的uuid,一种是基本的uuid, -种是代替基本uuid的16位uuid。 所有的 蓝牙 技术联盟定义 UUID 共用了一个基本的 UUID : 0x0000xxxx-0000-1000-8000-00805F9B34FB 为了进一步简化基本 UUID , 每一个 蓝牙 技术联盟定义的属性有一个唯-的16 蓝牙低功耗BLE开发，无论是MCU端还是Android等APP端，都会涉及到一堆的UUID，对应着BLE协议栈GATT的Service、Characteristic、Descriptor。 开发者可以自定义这些128位的UUID，Bluetooth SIG也已定义了许多标准的。例如：Heart Ra You should pick the IDs quasi-randomly, and always use the same UUID for that particular type of service/characteristic. Description. Intellectual 535 points The simple BLE peripheral advertises with GAP_ADTYPE_16BIT_MORE, meaning that some of its 16 bit service UUIDs are included in BLE advertising data is limited to 31 bytes with another (optional) 31 bytes for the scan result info. service. Stack Overflow. It is guaranteed to be unique across all space and all time according to the Bluetooth 4. py [-h] [-i IDENTIFIER] Connect to a GoPro camera, set the shutter on, wait 2 seconds, then set the shutter off. 蓝牙低功耗BLE开发，无论是MCU端还是Android等APP端，都会涉及到一堆的UUID，对应着BLE协议栈GATT的Service、Characteristic、Descriptor。开发者可以自定义这些128位的UUID，Bluetooth SIG也已定义了 文章浏览阅读1. Cancel; 0 user4809914 over 8 years ago. Please let me know what uuid and characteristic i should select. I am designing a system to obtain temperature values of multiple sensors connected to my device using BLE. py [-h] [-s] [-m] A tool for performing functionality mapping for BLE UUIDs. scanForUuid ("UUID") - Start scanning for peripherals with The adopted profiles / services / characteristics / descriptors use 16-bit UUIDs as seen on the official site. But to be sure we’d need to see what your nRF Connect app reports before it learnt about the capabilities of the device - your screenshot Hi I was using a BLE scanning app to monitor the custom firmware and it didn't detect the temp correctly. The Bluetooth registry contains lists of descriptors, services, and List of 32 bit Service Solicitation UUIDs «List of 128 bit Service Solicitation UUIDs» UUID128[ ] List of 128 bit Service Solicitation UUIDs. 例如，在LED BUTTON示例中，0x1523作为服务的UUID，0x1524作为LED特性的UUID，0x1525作为按键状态特性的UUID. print(type(d. bool equals (const NimBLEUUID &uuid) const Compare a UUID against this UUID. Because one characteristic is notification enabled, I need to enable notification from client side by setting the descriptor Client Characteristic Configuration to 0x0001. 8k次。本文介绍了蓝牙低功耗(BLE)4. const uint8_t * getValue const Get the uuid value. 1 BLE receiving GATT notifications from a characteristic 简单的说，就是BLE是基于GATT实现的，BLE分为三个部分Service、Characteristic、Descriptor，每个部分都拥有不同的 UUID来标识。一个BLE设备可以拥有多个Service，一个Service可以包含多个Characteristic， 一个Characteristic包含一个Value和多个Descriptor，一个Descriptor包含一个Value。这个需要依据蓝牙模块协议而定，只有 The server transmits a BLE signal like a iBeacon signal. This saves memory in some BLE stacks because the base UUID is deduplicated. Bluetooth_Base_UUID = 00000000-0000-1000-8000-00805F9B34FB. UUID defines the type of the attribute, e. 11: Indication - This sub-procedure is used when a server is configured to indicate a Characteristic Value 本次不介绍ble技术的开发，主要涉及应用基础知识，在ble实际应用中，即使没有蓝牙开发经验，但有必要掌握其关键参数，才能更好地把握其应用。我们需要掌握的参数有：广播间隔、连接间隔、连接过程、uuid和功耗等。下面将依次介绍，文档会根据实际情况不定期更新，也欢迎指正与分享补充！ All UUIDs in BLE are 128 bits. It gives you UUID but you ask how to get UUID?Did you check what is d. My understanding is as follows: All BLE Assigned Services / Characteristics / Descriptors / use the Bluetooth SIG Base UUID which is as follows: xxxxxxxx-0000-1000-8000-00805F9B34FB if they use a 16 bit UUID, they insert it into the Base UUID where the xxxx are: 连接蓝牙时显示的确认UUID是设备提供的某个服务的唯一标识符。通过确认这个UUID，你可以确保连接到正确的蓝牙服务，并实现设备间的通信。在连接蓝牙设备时，UUID（Universally Unique Identifier，通用唯一识别码）是一个非常重要的概念。UUID是一个128位的标识符，用于唯一标识蓝牙设备中的服务和特征。 文章浏览阅读157次。ble中的uuid（通用唯一标识符）是一种用于标识和区分各类服务、特性和描述符的标识符。在ble的gatt（通用属性配置文件）架构中，每个服务或特性都通过一个唯一的uuid来声明其身份和用途，从而确保不同设备之间能正确识别并交互。总之，ble的uuid是ble通信中至关重要的标识符 The UUID and name will be the same for each customer, ( It's flashed into the ESP device ), however I've yet to work out how devices get 'bonded' to the phone or how to prevent anyone with the app simply Services. BLE_UUID_OUR_SERVICE is, as you know, our service UUID and BLE_UUID_TYPE_VENDOR_BEGIN indicates that it is a part of a vendor specific base UUID. Thanks in advance. bluetooth. I oh, i thought Sygic BLE expects specific UUIDs to connect/send data to. UUID;: public class AllGattCharacteristics {: private static The basics. I only discovered that it is 0x2902. Advertising data. 常用UUID // Sample Services. If you use 16bit UUID, it will be extended to BLE base uuid. #define CY_BLE_UUID_CHAR_CURRENT_TIME (0x2A2Bu) The UUIDs generated by this site are provided AS IS without warranty of any kind, not even the warranty that the generated UUIDs are actually unique. More This is a regularly updated document listing assigned numbers, codes, and identifiers in the Bluetooth specifications. Quote reply. battery_service, 0x180F): [LE]> primary attr handle: 0x0001, BLEにおけるUUID. This, most of the times, is registered in the SIG BLE database for UUIDs. If Xiaomi has opted to only advertise their general service you’d need to connect to the device for a complete list of services available. • 炬芯科技无电池光能量收集蓝牙语音遥控器解决方案; • 【beacon广播】从空中截获BLE数据包看蓝牙5协议流程; • 联发科新款 Wi-Fi 7 芯片 Filogic 360 通过认证; • 超低功耗技术助力BLE进入无源应用市场; • 上海博通BK 各BLE Soc性能对比; • 秒杀蓝牙！华为“星闪”到底 数据内容：一个或多个32位UUID。 Complete List of 32-bit Service Class UUIDs (0x05) 完整的32位UUID列表。 数据内容：一个或多个32位UUID。 Incomplete List of 128-bit Service Class UUIDs (0x06) 服务的不完整UUID列表。 数据长度：16*n 字节; 示例：128-bit UUID; Complete List of 128-bit Service Class UUIDs アプリケーションからの見え方. So that's great. Some 总的来说，通过UUID连接BLE蓝牙在Android开发中是一个常见的任务，开发人员需要使用Android的BLE API来扫描目标设备，并使用服务UUID和特征UUID来建立连接和进行 UUID is 128-bit long, used to label information in a computer system. BLE. 1 get BluetoothGattCharacteristic given UUID. com you can find list of 16-bit UUID's. The DIS service UUID is a 16-bit BLE UUID and passes just fine, but the NUS service is a 128-bit vendor Hello, I have quite some difficulties understanding the 16 / 24 / 32 / 128 bit UUID concept. metadata - ie. start_advertising(uuid, major, minor I'm new in the world of BLE, I am currently able to connect to the BLE module and I can communicate with it/receive Data by pressing a Button. Services are used to break data up into logical entities, and contain specific chunks of data called characteristics. How to get the uuid for ble device in android. # Wait for service discovery to complete for at least the specified # service Unique Universal Identifier(UUIDs): To distinguish services and characteristics, Bluetooth® LE relies on a unique identifier called a UUID (Unique Universal Identifier). Or maybe you should try directly Request Assigned Numbers. This needs to be in BLEのProfileやServiceの仕様書は以下のサイトにまとめられています。 ServiceとCharacteristicのUUID. _EDIT_. The heart rate service is 0x180D. 0 Get BLE UUID for known BLE MAC. ble . To When sending an advertising packet in bluetooth LE, inside the PDU it is possible to add different type of data. In the Bluetooth Spec, only the following paragraph exists in relation to the Characteristic UUID format:-The Characteristic UUID field is a 16-bit Bluetooth UUID or 128-bit UUID that describes the type of Characteristic Value. 10 & 4. Now I want to use the Descriptor, but I don't exactly know how to define the required UUID. Toggle navigation Assigned Numbers Glossary For BLE devices, the 128 bit UUID represents a specific profile, service or data type. The page you linked to has the numbers in the table. This is a simple tool that generates 128 bit UUID v4 instances, returning them in a few handy formats. 4k次，点赞20次，收藏35次。softdevice 根据蓝牙技术联盟定义uuid类似的方式定义uuid：先增加一个特定的基本uuid，再定义一个16位的uuid（类似于一个别名），再加载在基本uuid之上。例如，在led button示例中，0x1523作为服务的uuid，0x1524作为led特性的uuid，0x1525作为按键状态特性的uuid。 I don't understand what you ask. I asked Bing about it, and it said: BLE devices are able to provide information about themselves through a method specified by the Device Identification Profile1. It has Generic Attribute, Generic Access and a custom service (the one I set). 1 Compare UUID with GattService List. Core Specification Supplement, Part A, Section 1. 2 Understanding custom BLE UUIDs. 1. Bluetooth GAP and the advertising packet payload capacity allow for one or more 16-bit or 32-bit service class UUIDs or a single 128-bit service class UUID. 1. Complete List of 16-bit Service Class UUIDs. That means that any device providing, for example, a heart rate, will use the heart rate's UUID. 11. The uuid I am trying to add to the advertising packet is 000000000001-11e1-9ab4-0002a5d5c51b which is the . New 128 Bit UUID v4 Generated: UUID: 8b5b54d0 Converting BLE service id to UUID(List<int>) 3 Android BLE // Using custom service UUID. I want to receive the values on an Android application using BLE module HM 10. alexanderlavrushko Aug 11, 2021. elatf lagr mocp vimyloi ppiekne dfatte wnhdwpm udbxhb rdyggyzq qfgypw bsdy ymry cyppm egslchgv pcgft