Advances in wireless connectivity and low-power embedded processing have enabled new applications for smart homes and buildings. Of course, most smart home systems have a control panel or base unit th...
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1. Heat dissipation2. Lack of standards, uneven product quality3. There are price and design quality issues, and consumers ultimately lack confidence in choosing LED lighting4. Semiconductor li...
Today I soldered 2 LED boards and used KW41Z to make a marquee program. When I started debugging, 8 LEDs showed problems. I suspect it's the 74HC595D I bought this time (I bought it on Taobao for 0.11...
A beginner would like to ask an expert a question: What is the difference between the external interrupt (RB0) port and the normal I/O port (RB1)? The external interrupt (RB0) gives a low level trigge...
Let me first ask a very simple question. Is C++ or VC++ the language supported under EVC? What issues are involved in developing such an application under WINCE? Does it involve platform conversion an...
1. Lightning protection of front-end equipment Front-end equipment can be installed outdoors or indoors. Equipment installed indoors is generally not subject to direct lightning strikes, but it is nec...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
introduction
Temperature and humidity are the main environmental parameters of industrial and agricultural production. It is of great significance to measure them accurately and timely. Using a s...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]