Understanding Low Energy Bluetooth (BLE) Testing Techniques

Understanding Low Energy Bluetooth (BLE) Testing Techniques

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

Getting Started with MQTT Protocol Testing

Getting Started with MQTT Protocol Testing

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

Profibus DP Bus Fault Diagnosis Methods (4)

Profibus DP Bus Fault Diagnosis Methods (4)

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

Understanding JTAG Boundary Scan Technology

Understanding JTAG Boundary Scan Technology

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

Introduction to JTAG Testing Protocol

Introduction to JTAG Testing Protocol

Introduction to JTAG JTAG (Joint Test Action Group) is an international standard testing protocol (IEEE 1149.1 compliant), primarily used for internal testing of chips. Most advanced devices today support the JTAG protocol, such as DSPs and FPGAs. The standard JTAG interface consists of 4 lines: TMS, TCK, TDI, and TDO, which correspond to mode selection, … Read more

JTAG Interface Learning Notes

JTAG Interface Learning Notes

Interface Name: JTAG Full English Name: Joint Test Action Group Chinese: 联合测试工作组 Standard Number: IEEE1149.1-1990/IEEE1149.1a-1993 Standard Maintenance: IEEE Current Specification: www.IEEE.org Latest Version: IEEE1149.1-2013 Standard Test Access Port and Boundary-Scan Architecture Effective Date: 2013 Next Version: TBD Description: JTAG is an international standard testing protocol (IEEE 1149.1 compatible), primarily used for internal testing of chips. … Read more

Basic Knowledge Q&A on Microcontroller Programming

Basic Knowledge Q&A on Microcontroller Programming

Wu Jianying Microcontroller Development Board Address Store:【Wu Jianying’s Shop】 Address:【https://item.taobao.com/item.htm?_u=ukgdp5a7629&id=524088004171】 1. How Long Can 8-bit Machines Last! Answer: Currently, the main MCU products are still in the 8-bit field, mainly applied in six major markets: automotive applications, consumer electronics, computers and PC peripherals, telecommunications, office automation, and industrial control. Among these, the automotive market is … Read more

Essential Tool for Embedded System Testing: Monit

Essential Tool for Embedded System Testing: Monit

Click the blue text to follow immediately 01 Understanding the Monit Tool The Monit tool is an open-source monitoring tool based on the Linux system, which can monitor overall system resource utilization, monitoring physical devices, virtual devices, file systems, network connections, users, processes, etc., and continuously track them. Additionally, it can schedule custom scripts to … Read more

Designing Reliability in Electronic Products

Designing Reliability in Electronic Products

Product reliability is designed. It is produced and managed. -Qian Xuesen 1. Circuits Are Designed. Don’t Just Draw, Be a Designer. An electrolytic capacitor soldered next to a heat sink causes the related circuit parameters to drift, resulting in unstable machine parameters; the inconsistency in the color of green LEDs makes them look unattractive. Each … Read more