Can anyone tell me what went wrong? I am using MAX489 chip to do 422 communication, (A, B, Y, Z), Y and Z are the 489's transmitting differential pair, Y has a signal, but Z is occasionally burned, th...
[i=s] This post was last edited by paulhyde on 2014-9-15 09:21 [/i] [size=10pt][font=Times New Roman] [/font][/size][font=宋体][size=10pt]Among the [/size][/font][size=10pt][font=Times New Roman]78**[/f...
Swiss LEM transformer, LEM current transformer, LEM surge protector, LEM sensor, LEM voltage transformer, LEM power sensor, LEM wireless energy meter LEM is a well-known manufacturer of power sensors ...
RealView MDK-ARM Version:3.24 CPU is LPC2101 H-JTAG 0.8 Software simulation is normal. The phenomenon is that the simulator connection is normal. Hardware simulation is normal in Startup.s, but it fre...
[i=s]This post was last edited by CcKk on 2019-7-23 11:09[/i]Now there is a requirement that the 48V input terminal jumps directly, and now we need to make a small circuit to make the 48V rise slowly....
Hello everyone, I have a question about 2440. I use 2440 to connect a camera with ITU656 interface timing, why can't I receive the synchronization signal? The synchronization output from the module st...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
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