10 Common Measurement Instruments for Electronic Engineers

10 Common Measurement Instruments for Electronic Engineers

Previously, we discussed common analog and digital electronics used by electronic engineers, which received a lot of attention from our fans. Today, we will mainly talk about the measurement instruments commonly used by electronic engineers, hoping to help our friends. Let’s take a look together! 1. Multimeter A multimeter is one of the most basic … Read more

Common Oscilloscope Phenomena and Analysis

Common Oscilloscope Phenomena and Analysis

Click the above “ Tech Training ” to select “Pin to Top Public Account” Over 140,000 industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos 1. No Light Spot or Waveform Power is not connected. The brightness knob is not adjusted properly. X, Y-axis offset knob is misaligned. The Y-axis … Read more

Principles and Usage of Oscilloscopes

Principles and Usage of Oscilloscopes

In digital circuit experiments, several instruments and meters are needed to observe experimental phenomena and results. Common electronic measuring instruments include multimeters, logic pens, ordinary oscilloscopes, storage oscilloscopes, logic analyzers, etc. The usage of multimeters and logic pens is relatively simple, while logic analyzers and storage oscilloscopes are not yet widely used in digital circuit … Read more

How to Test Encrypted APIs?

How to Test Encrypted APIs?

Generate an information digest from plaintext encoding to prevent tampering. For example, MD5 uses a hash algorithm, which outputs a 128-bit string regardless of the input length. The digest algorithm does not require a secret key; both the client and server can use the same digest algorithm to obtain consistent ciphertext for the same plaintext. … Read more

Understanding ADAS Testing: Key Insights and Approaches

Understanding ADAS Testing: Key Insights and Approaches

Concept of ADAS: Advanced Driving Assistance System (ADAS) utilizes various sensors installed in the vehicle (millimeter-wave radar, LiDAR, monocular and binocular cameras, and satellite navigation) to sense the surrounding environment during the vehicle’s operation, collect data, identify, detect, and track static and dynamic objects, and perform systematic calculations and analyses combined with navigation map data. … Read more

Challenges Faced by Testing Interfaces After ECU Integration

Challenges Faced by Testing Interfaces After ECU Integration

The ECU (Electronic Control Unit), as the brain of the car, controls the vehicle’s engine, airbags, anti-lock braking system, etc. In addition to the ECU located in the engine, there are also separate ECUs in other locations of the car, with approximately hundreds of ECUs in a single vehicle. However, with the development of the … Read more

How to Conduct CANopen Conformance Testing

Click the Blue Word Follow Us Have you ever had the following questions? “How to conduct CANopen conformance testing?”, “Is there any CANopen conformance testing software, how to obtain it?”, “Can you help us with CANopen conformance testing?” Recently, Hongke engineers conducted a simple test and would like to share with everyone. 01 Concept of … Read more

Comprehensive Guide to Improving Code Portability in Embedded Development

Comprehensive Guide to Improving Code Portability in Embedded Development

Improving code portability in embedded development can be approached from the following aspects: 1. Follow Standards and Specifications 1. Programming Language Standards Strictly adhere to C or C++ language standards, avoiding the use of compiler or platform-specific extensions. For example, avoid using non-standard compiler built-in functions to ensure that the code compiles correctly in different … Read more

Unveiling the BLE Testing Techniques You Didn’t Know!

Unveiling the BLE Testing Techniques You Didn't Know!

All the information you need to know about Bluetooth Low Energy (BLE) in 2020 We live in a space where fantasy and reality reflect each other, technology and culture intertwine, individuals and the whole blend, and privacy and transparency are balanced. In a world of interconnected devices, everything tends towards excellence and the perfect performance … Read more

Bluetooth Headphone Review: Budget Models Rivaling Premium Brands

Bluetooth Headphone Review: Budget Models Rivaling Premium Brands

Currently, the prices of Bluetooth headphones on the market range from dozens to thousands of yuan. How safe and comfortable are these Bluetooth headphones? Is long-distance Bluetooth transmission reliable? Does it harm hearing? Are there performance differences between products at different price points? Recently, a comparative test of Bluetooth headphones conducted by the Guangzhou Consumer … Read more