I was debugging a design board recently and found a problem when testing the serial port: there was no problem with the max3223 level conversion chip, but when I switched to sp3223, the serial port ou...
It feels so troublesome. I need to zoom out the picture, and then move it with the cross (note that there is a small cross on the left side of the picture, I want to move the buzzer in the middle) as ...
My development environment is: vxworks5.5 and power pc 405 300MHz. Now the interrupt response time measured by hardware is about 13 microseconds, which does not meet my application requirements. I don...
The FPGA website collection is not very complete, but I hope it is helpful to everyone! 1. OPENCORES.ORG There are many very good PLD cores here, and the 8051 core can be found there. After entering, ...
Can anyone help me look at my multicast sending function? The sendto function always returns ERROR, indicating that the sending failed. What is the reason? Thank you. struct sockaddr_in local; struct ...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
Corelink Semiconductor has launched the CL1100-based 5-7W E27 LED lighting driver system solution DB2. This driver module meets the requirements of small size (L×W×H=5.1cm×2.1cm×1.8cm), low standby...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
1. Fully understand the design requirements of all parties and determine the appropriate solution.
When starting a hardware development project, the original driving force will come from many a...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
Introduction
With the acceleration of China's economic development and urbanization, the amount of sewage in small and medium-sized cities has shown an increasing trend year by year. In order to red...[Details]
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