Electrical Testing

Disassembling the Vintage MF500 Multimeter from Shanghai

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Disassembling the Vintage MF500 Multimeter from Shanghai

Breadboard Community Disassembly Event， Drones, Handheld Oscilloscopes、 Computers、 Vacuum Robots、 Smart Watches、 Solid State Drives、 Portable Speakers, Many Prizes, Lots of Benefits, Welcome to Join!More Details👈 【Disassembly】+ Have Any Engineers Used a Pointer Multimeter? Today I Will Disassemble an MF500 External Magnetic Multimeter Author: ecoren, Source: Breadboard Community【Write Disassembly, Send Drone Event】 We are the … Read more

Mastering Multimeter: 33 Essential Tips

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Search on WeChat Technical Training 1. Correct Usage of Multimeter To use a multimeter correctly, familiarize yourself with the dial. Adjust the two zero position knobs gently. Choose the correct terminals, and insert the red and black probes into the appropriate holes. Rotate the switch to the correct gear, and ensure the range is selected … Read more

How to Check Injector Open Circuit Caused by ECU Fault?

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How to Check Injector Open Circuit Caused by ECU Fault?

Basic Information Vehicle Model Dongfeng Liuzhou Chao Long M3 Engine Brand Isuzu ECU Model EDC17CV54 Emission Stage National V Fault Phenomenon Engine fault light on, power insufficient. Troubleshooting Step 1: Use a decoder to read the fault code, the fault code is P0204: Injector open circuit for the fourth cylinder (physical second cylinder). Step 2: … Read more

Testing Items and Methods for RS-485

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Testing Items and Methods for RS-485

Any communication interface testing includes two parts: basic electrical characteristic testing and stress testing. RS-485 is no exception. The common tests for RS-485 primarily focus on electrical characteristic testing and stress testing. The first part: Electrical Testing. For electrical testing, we generally combine some parameters from the chip manual for testing. The following figure shows … Read more

Common Troubleshooting Methods for PCB Prototyping

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Common Troubleshooting Methods for PCB Prototyping

During the PCB prototyping process, various issues may arise that affect the quality of the final product. This article will share some common problems and solutions encountered during PCB prototyping. These issues include design file errors, inaccurate dimensions, and more. By reading this article, users can quickly identify the causes of faults and take appropriate … Read more

Flying Probe Testing for PCBs: An Overview

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Flying Probe Testing for PCBs: An Overview

Flying probe testing is currently the best solution for some major issues in electrical testing. It uses probes to replace the test bed, employing multiple motor-driven electrical probes that can move quickly to contact the pins of the device for electrical measurements. During the production process of PCB boards, it is inevitable that external factors … Read more