I used this software to debug the delay time, but found that the situation did not seem good.
After I changed the delay program, I ran it again, but found that the delay time remained unchanged.
void ...
What is the current of a relay? I have been looking online for a long time but there is no definite answer. I have read a lot of specifications but I don't know what they say. I am confused. I hope ex...
LED is the abbreviation of "LIGHT EMITTING DIODE" in English, and Chinese abbreviation is light emitting diode. Due to its many advantages such as environmental protection, long life, high photoelectr...
There are several problems when ADC samples two sets of DAC output voltages, as shown in the figure. In addition, if the signal is about 1uA, do we need a 20-bit ADC chip? Do we need to consider the f...
There are still 5 PCB boards. Interested friends can continue to apply: [url=https://bbs.eeworld.com.cn/thread-95123-1-1.html]https://bbs.eeworld.com.cn/thread-95123-1-1.html[/url] There are still a f...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
1. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
Different places have accumulated certain experience in equalizing charging of battery packs, but it is difficult to master it properly. Long-term non-equalizing charging or frequent equalizing cha...[Details]
PIC microcontrollers are becoming increasingly popular in China. This article introduces some experiences and techniques in software and hardware design during the development of Microchip PIC seri...[Details]
1 Introduction
The development of fieldbus technology has made a big step forward in the process of control systems from closed to open. Open control systems based on fieldbus have begun to enter th...[Details]
Overview
Modern
amplifier RF instruments
have impressive measurement capabilities and accuracy far exceeding their predecessors. However, these instruments cannot reach their full pote...[Details]
An example of how to call an assembly function in KEIL C51 (v6.21)
There are many posts about how to call assembly from C51, but generally only the key points are mentioned, and few of them ...[Details]
There are multiple methods for measuring the temperature of electrical contacts in power transmission and distribution. The more traditional methods include temperature measurement wax sheet method...[Details]