Click the above to follow us! In today’s society, internet applications are becoming more widespread, with an increasing number of users. As people’s dependence on internet services grows, their expectations for service availability and user experience have also risen. So how can we ensure that services consistently provide stable, uninterrupted, and reliable service during operation? … Read more
1. Background In today’s society, internet applications are becoming increasingly widespread, with a growing number of users. As people’s reliance on internet services increases, so do their expectations for service availability and experience. So how can we ensure that services consistently provide users with stable, uninterrupted, and reliable service during operation? For instance, if a … Read more
Source: Xiaomi Technology Author: Li Qianming – Big Data SRE Currently, domestic practices are more inclined towards fault testing, which involves conducting fault injection experiments in specific scenarios and verifying whether expectations are met. This type of testing has relatively controllable risks, but the downside is that it does not explore more scenarios through fault … Read more
Author: zhangtao2: Testing equipment is an indispensable part of our daily production and life. Once these devices malfunction, how should we inspect and diagnose them? Here are some summarized experiences to share with everyone. 1. Observation Method Utilize visual, olfactory, and tactile senses. Sometimes, damaged components may change color, bubble, or show signs of burning; … Read more
Click the end of the article to read the original text and select your favorite portable testing instruments Diagnosing hydraulic system failures on-site is challenging, and due to the specific conditions of the site, it has its own characteristics. Firstly, it requires rapid diagnosis. This means that once a failure occurs in the production site … Read more
With the current development of networking and intelligence, user experience is increasingly valued, making the testing of In-Vehicle Infotainment systems (IVI) a focus for various OEMs and suppliers. IVI testing is complex due to its wide-ranging requirements, diverse testing types, and the time and effort involved, gradually becoming a significant factor affecting automotive intelligence. Moreover, … Read more
All you need to know about Low Energy Bluetooth (BLE) in 2020 We live in a space where fantasy and reality reflect each other, technology and culture intertwine, individuals and the collective merge, and privacy and transparency find balance. In a world of the Internet of Things, everything is striving to be excellent enough, and … Read more
Introduction MQTT (Message Queuing Telemetry Transport) is a lightweight communication protocol based on the publish/subscribe model, specifically designed for low bandwidth, unreliable, or high-latency network environments. It was released by IBM in 1999 and is suitable for connecting remote devices, particularly Internet of Things (IoT) devices. MQTT provides real-time, reliable message transmission services by reducing … Read more
Testing and Measurement Tools 1. Handheld Devices Handheld devices are specially developed for testing PROFIBUS cables with RS 485 interfaces. For example, Siemens BT200 (recommended) and ComSoft Nettest II. Handheld devices can test the installation, as well as check the PROFIBUS cables and stations. To use the handheld device, it must be connected to the … Read more
Follow our public account for timely updates on new articles. Introduction: Engineers engaged in hardware, embedded systems, or chip-related fields are likely familiar with JTAG. JTAG primarily has three main uses: Testing and Diagnosis: Initially, the main purpose of JTAG was for testing and diagnosing integrated circuits, used to detect and repair defects in the … Read more