My 14-pin socket is defined as follows:1-TDO, PIN54; 3-TDI, PIN55; 5-TMS, PIN567-TCK, PIN57; 9-GND, PIN63 11-/RST, PIN58 2-DVCC, PIN1;When IAR is used to download, during the initialization of the har...
This software is a very good RF circuit design and simulation software from Agilent. The price of buying a genuine version is very expensive, which may cost about 200,000 to 300,000 yuan. The full Eng...
Although many in the industry believe that analog and digital technologies will soon compete for dominance in the control circuits of power regulation devices, the reality is that the two technologies...
The multifunctional intelligent measurement and control device of the electric power grid and the corresponding energy management and intelligent control system realize the dynamic management and opti...
I set a power-on password in the password of the wince control panel. Why is it that after restarting wince, only the welcome interface appears, without a password input box, and I can't enter the ope...
Using the official library routines, USB virtual serial port, and USB-FS mode, I would like to ask how the stm32F2xx USB can receive data larger than 64 bytes?...
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]