Search on WeChat Technical Training In engineering, the RS485 control line is often mentioned. What exactly is it? Today, I will discuss the applications related to RS485. By delving deeper into RS485, you will find that there is indeed a lot of knowledge involved. Therefore, we will choose some common issues in weak current systems … Read more
Click AboveElectricalI 1 Analysis of Bus Short-Circuit Isolator Settings 1.1 Significance of Bus Short-Circuit Isolator Settings When a short circuit occurs in the fire alarm system’s bus circuit, the fault circuit will pull down the voltage of the entire fire alarm system, leading to system paralysis and failure. To prevent this situation, the “Specification” requires … Read more
Click the above↑ “Lao Wang Talks to You AboutElectrical” FollowMe 1. System Selection and Architecture Depending on the scale and layout of the venue, consider adopting a bus-based, distributed, or a combination of bus-based and distributed emergency broadcasting system architecture to fully leverage the advantages of both, meet the broadcasting needs of different areas, and … Read more
转自：网络 1. Wiring Diagram for Air Conditioner 2. Wiring for Electromagnetic Valve 3. Homemade Infrared Induction Circuit Wiring 4. Wiring Diagram for Three-Phase Asynchronous Motor Forward and Reverse Rotation 5. Wiring Diagram for Two Double-Control Lights 6. Float Switch Control for Single-Phase Water Pump Supply 7. Limit Switch for Liquid Level Control 8. Difference Between … Read more
01 Introduction The touch button is a type of switch based on capacitive sensing, which can be activated by direct contact with the sensor’s metal surface by a human body or metal. 02 Principle The touch sensor module is a capacitive touch switch module based on the touch detection IC (TTP223B). When the module’s metal … Read more
Click ↑↑ on the above blue text “Computer Learning Room” to follow the public account, set the top right “…” as ★ starred★ to receive updates first every day~ Today, I will give you a detailed explanation of the various interface types and functions on the computer motherboard and how to connect them. 1. … Read more