[i=s]This post was last edited by Ziyaoqiongtian on 2014-5-20 21:36[/i] In quartus Ⅱ, this program is wrong. Please tell me how to modify it. Thank you very much! module kz(clk1,s1,s2,s8,hour,minute,s...
[size=4] I came to the forum homepage today and found something different. The overall picture seems to be more concise, right? And the homepage also has high-quality articles in the front, and the la...
Contents Part I Basic Concepts 4 1.1 The meaning of each layer of PCB 4 2.2 Analysis of characteristic impedance 5 2.3 Re-analysis of the physical meaning of characteristic impedance 8 Part II Design ...
Most of the cortex-m4 chips have the MPU protection function, but how to make good use of this function is controversial. The author used MPU to implement a mechanism to isolate the various tasks of r...
I use PB6+VS2005 to build CE system. I found a problem. In common.bib; @CESYSGEN IF CE_MODULES_USBSER usbser.dll $(_FLATRELEASEDIR)\usbser.dll NK SHK ; @CESYSGEN ENDIF CE_MODULES_USBSER If I comment o...
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
1. Fault phenomenon and cause analysis
1. During the operation of the equipment, the expansion sleeve is subjected to a large torque, and the mating surfaces of the shaft and the sleeve move...[Details]
In the field of communications power supplies, AC/DC rectifier power supplies are called primary power supplies or basic power supplies, while DC/DC converters are called secondary power supplies. ...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Common Mode Semiconductor has officially launched the GM6503 series—a 5 V, 3 A synchronous step-down DC/DC power module designed for optical communications, servers, industrial applications, and FP...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]