My code is as follows. There is no playback interface on my monitor, only sound. Please give me some advice if(Context_Init((tchar_t *)_T("TCPMP"),(tchar_t *)_T("0.72RC1"),3,(tchar_t*)AfxGetApp()->m_l...
Regarding the design of mobile phone radio frequency (RF) circuits, this article takes the test of SAW filters as an example to discuss the following three issues: how to use a single-ended vector net...
Live Topic:PolarFire SoC FPGA Secure Boot | Microchip Security Solutions Series Seminar 12PolarFire SoC FPGAs offer secure boot out of the box. In this webinar, Johnson Xu, principal applications engi...
I would like to ask you, I use this circuit to measure AC current. The voltage on the secondary side is 1.29, but why is the final reading only 1.22? How can I reduce this error?...
[i=s]This post was last edited by 5之丹公英 on 2016-2-12 22:06[/i] [align=left][font=宋体][size=18.0pt]The village has changed a lot. The small bridge at the entrance of the village has been rebuilt and sea...
[font=微软雅黑] [size=3][/size] [size=3][/size] [size=3]This classic science fiction movie of the year was released on November 19th. A colleague went to see the 3D version and fainted on the bed when he ...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
Embedded System
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