In VC, SHBrowseForFolder works, but it doesn't seem to work in WINCE. How do you solve this problem? In addition, why can the CFileDialog dialog box appear when I use it, but there is no file in it, a...
I want to make a motion sensor. If it is installed on a door or window, it can detect when the door or window is opened. The accuracy requirement is not high. I just want to detect whether the door or...
I am using a powerpc mpc860. The operating system is vxworks. I want to disable the cache function. Should I just undef user_i_cache_enable and undef user_d_cache_enable in confih.h? This is where my ...
1. Circuit composition of switching power supply: The main circuit of the switching power supply is composed of input electromagnetic interference filter (EMI), rectifier filter circuit, power convers...
When LM3S9B92 is used in USB HOST mode, do USB0_VBUS and USB0_ID have to be connected to VCC and GND? I read the document saying that it can be used as a normal GPIO port in HOST mode, but I don't kno...
[p=25, 2, left][font=微软雅黑, "][b]Suggestions[/b][/font][/p][p=28, 2, left][font=微软雅黑, "]Some beginners spend a lot of time on theory, but still don't understand PLC after half a year. In fact, they jus...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[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]
In view of the price and performance differentiation of Chinese home video intercom and security products, this paper analyzes
the design of smart terminals based
on a Chinese original
...[Details]
1. Introduction
With the continuous development of modern urban construction, infrastructure and real estate are becoming increasingly prosperous, and the quality requirements for construction ...[Details]
Embedded System
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