Adaptive Testing

Application of UML Diagrams in Different Stages of Embedded Development

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Application of UML Diagrams in Different Stages of Embedded Development

UML includes various types of diagrams such as use case diagrams, class diagrams, object diagrams, state diagrams, activity diagrams, sequence diagrams, collaboration diagrams, component diagrams, and deployment diagrams, which are widely used in the stages of requirement analysis, design, implementation, testing, and maintenance in embedded development. The following is a detailed introduction: Requirement Analysis Stage … Read more

Bluetooth BQB Certification Explained by Lanya Technology

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Bluetooth BQB Certification Explained by Lanya Technology

The Bluetooth BQB certification (Bluetooth Qualification Body certification) is a compliance certification mandated by the Bluetooth Special Interest Group (SIG) to ensure that Bluetooth devices meet technical standards and are interoperable. Products that do not pass certification are prohibited from using the Bluetooth trademark or entering the mainstream market. Core requirements for Bluetooth BQB certification: … Read more

EMC Testing and Troubleshooting for Microcontroller Systems

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EMC Testing and Troubleshooting for Microcontroller Systems

WeChat Official Account:Electromagnetic Compatibility Home 01、Introduction For engineering technicians engaged in the design of microcontroller application systems (both hardware and software), mastering certain EMC testing techniques is essential. 02、About EMC EMC: Electromagnetic Compatibility, refers to the ability of a device or system to operate as required in its electromagnetic environment without causing intolerable electromagnetic interference … Read more

Tutorial: Debugging XDMA on ARM Devices (RK3588) – Continued

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Tutorial: Debugging XDMA on ARM Devices (RK3588) - Continued

Click the blue text above to follow us Preface On AMD’s official Q&A platform, the official staff directly responded that they do not support users compiling and testing XDMA drivers on ARM. https://adaptivesupport.amd.com/s/question/0D52E00006hpPyySAE/xdma-device-driver-ar65444-fix-for-arm?language=en_US This case uses the latest version of the XDMA driver. Additionally, during the actual operation, I used several earlier versions of the … Read more

Detailed Methods for Testing Bluetooth BR/EDR and Bluetooth Low Energy (BLE)

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Detailed Methods for Testing Bluetooth BR/EDR and Bluetooth Low Energy (BLE)

Bluetooth® is a wireless technology standard for short-range data exchange between fixed devices, mobile devices, and personal area networks (using UHF radio waves in the 2.4–2.485 GHz ISM band).Bluetooth technology actually has multiple “categories”, which are different versions of the core specifications. The most common are Bluetooth BR/EDR (Basic Rate/Enhanced Data Rate) and Bluetooth Low … Read more

Enterprise-Level Python Application Architecture Design and Best Practices

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Enterprise-Level Python Application Architecture Design and Best Practices

Enterprise-Level Python Application Architecture Design and Best Practices 1. Introduction Python’s role in enterprise application development is becoming increasingly important. Its concise syntax, rich ecosystem, and strong community support make it an ideal choice for building large enterprise applications. As business scales, designing an efficient, scalable, and maintainable Python architecture becomes a key challenge. This … Read more

Validation Testing of CAN Chip Logic Response

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Validation Testing of CAN Chip Logic Response

During the development phase of CAN chips, various issues related to communication error management need to be validated. The ISO-16845 international standard specifies comprehensive testing standards, such as error frame detection, transmission frame-related detection, and error management logic validation. This article mainly shares effective and convenient methods to complete the testing. Traditionally, to simulate CRC … Read more

Detailed Certifications Required for Bluetooth Printers Exporting to the European Market

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Detailed Certifications Required for Bluetooth Printers Exporting to the European Market

Click the blue text above to follow us ‌1. Analysis of Required Core Certification Systems‌ ‌1. CE Certification (Mandatory)‌ ‌① RED Directive (2014/53/EU)‌ ‌Applicable Product Scope‌: All devices with Bluetooth, Wi-Fi, and other wireless communication functions. ‌Key Testing Items‌: ‌Immunity Testing‌: Stability of the device under electrostatic discharge (±8kV contact discharge) and conducted disturbances from … Read more

Default HTTP Request Values in JMeter

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Default HTTP Request Values in JMeter

Function Introduction When editing a test plan in JMeter, if there are multiple Sampler requests with the same parameters and settings, such as the protocol, IP address, and port number of the service being requested, configuring each Sampler individually would increase redundancy and workload. Additionally, if the server address changes in the future, it would … Read more

Case Study on the Rectification of Head-mounted Bluetooth Electrostatic Issues

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Case Study on the Rectification of Head-mounted Bluetooth Electrostatic Issues

Click the blue text to follow us Introduction There are various types of wireless Bluetooth headsets on the market, which offer excellent sound quality and convenient control features. Wireless Bluetooth headsets not only free our hands but also allow us to enjoy calls and music more freely. The sales of wired headsets are gradually declining, … Read more