I recently encountered a problem with 485 communication. I need help from all the experts. The situation is as follows: I use a Kunlun touch screen to read a 24V powered, 485 output temperature and hu...
Hello everyone~ When I was reading an article, I saw the mention of hot ground and cold ground. I wanted to ask everyone, what is the difference between the two? When I was in school, I knew about dig...
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My simulation uses a constant current IC to control the LED to light up. The constant current can be an LDO circuit or a DCDC circuit. Of course, in actual situations, the connection between each LED ...
Recently, DARPA (the U.S. Department of Defense's Advanced Research Projects Agency) launched a four-year project, hoping to incorporate security features into chip design automation software to help...[Details]
Use the microcontroller AT89S51 and ADC0809 to design a digital voltmeter, which can measure the DC voltage value between 0-5V and have a four-digit digital display, but requires the minimum number o...[Details]
Descent method
A common technique used in
parallel DC/DC power
supplies
is the so-called droop method. If the output voltage of the paralleled
supplies
is reduced and the load curr...[Details]
A switching power supply is a power supply that uses modern power electronics technology to control the on-off time ratio of the switch tube to maintain a stable output voltage. A switching power supp...[Details]
Most books are too theoretical when introducing character drivers. A chapter overview is just a bunch of text, with some fragmented codes attached, which makes people dizzy and naturally don't want...[Details]
For a long time, IC substrates have not been valued in the chip supply chain because the gross profit margin of this product is relatively low, and major substrate manufacturers are reluctant to inve...[Details]
With the rapid development of my country's economy and medical and health care, people are paying more and more attention to their health status, and their health concept has gradually changed from...[Details]
The microcontroller's own RAM storage space and number of pins are often insufficient. When external expansion is not too much required, the 8155 chip is the first choice. An 8155 can provide 256 b...[Details]
How to achieve scalable real-time control resources and sustainable platform development in power conversion applications
In the field of real-time power conversion, whic...[Details]
1. References "STM32F1 Development Guide - Library Function Version" - Section 5.1 Introduction to the delay folder "Cortex-M3 Authoritative Guide - Chinese" - Chapter 8, the last se...[Details]
With the development of the automobile industry, more and more products are becoming very homogeneous, especially those under various platforms. Therefore, in order to optimize the excessive number o...[Details]
In recent decades, resource shortage and environmental protection have become two major challenges facing the world's automobile industry. Oil resources are in short supply, and automobile exhaust po...[Details]
USB is a PC interconnection protocol that can connect peripherals to computers more conveniently and quickly. RS-232 is a common access method for a single device to access a computer, and a common co...[Details]
According to Jiwei.com, South Korea undoubtedly occupies a pivotal position in the history of the development of the integrated circuit industry. With the rise of representative companies such as Sam...[Details]
On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
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