1. PCB Layout 1. Follow the layout principle of “big first, small later, difficult first, easy later”, meaning that important unit circuits and core components should be prioritized in the layout. 2. The layout must refer to the schematic diagram and place components according to the signal flow rules of the schematic. 3. The arrangement … Read more
PCB, also known as Printed Circuit Board, enables the connection of electronic components and the realization of functions. It is also an important part of power circuit design. This article will introduce the basic rules for PCB layout and wiring. Basic Rules for Component Layout 1. Layout according to circuit modules. Related circuits with the … Read more
Common PCB Wiring Rules (1) Pre-divide digital, analog, and DAA signal wiring areas on the PCB. (2) Separate digital and analog components and place them in their respective wiring areas. (3) Keep high-speed digital signal traces as short as possible. (4) Keep sensitive analog signal traces as short as possible. (5) Reasonably allocate power and … Read more
(1) Pre-define digital, analog, and DAA signal wiring areas on the PCB. (2) Separate digital and analog components and their respective traces as much as possible, placing them in their designated wiring areas. (3) Keep high-speed digital signal traces as short as possible. (4) Keep sensitive analog signal traces as short as possible. (5) Allocate … Read more
We believe that everyone finds wiring to be an essential part of PCB design, and the rationality of the wiring determines the aesthetics and production costs of the PCB. It also reflects the performance of the circuit and heat dissipation, as well as whether the performance of the components can be optimized. This article will … Read more
This article is dedicated to those who are overwhelmed by too many messy wires and don’t know what to do… The five-party intercom is one of the emergency rescue features of elevators, and it is a mandatory inspection item during elevator installation acceptance and annual inspections. In our community, the intercom between the car and … Read more
The RS485 bus is widely used in various fields such as video surveillance, access control intercoms, and building alarms due to its simple wiring and reliable stability. However, many inaccurate concepts during the wiring process can lead to various issues. Here are some summarized misconceptions. 1. The 485 signal line can be run alongside high-voltage … Read more
The RS-485 bus is widely used in various fields such as video surveillance, access control intercom, and building alarms due to its simple wiring and reliable stability. However, many problems arise during the wiring process of the RS-485 bus due to various inaccurate concepts. Here, we clarify some common misconceptions. 1 485 signal lines can … Read more
Introduction: The RS-485 bus is now used less frequently, but many systems still rely on it, making it necessary to learn about it. Main Content: 1. On-site Wiring Specifications The RS-485 bus is widely used due to its low cost and simple design, finding applications in security monitoring, intelligent transportation, smart buildings, data center monitoring, … Read more
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