I use a 10-bit A/D to sample the voltage of a potentiometer. When the voltage of the potentiometer is 0, after the conversion, the value in the A/D register cannot reach 0, but is about 0x00BO. Why is...
The program of the microcontroller STM8S903SKis as follows:timer 6 initialization program:void timer6_50us(void)//Configure the register status of the 1ms interrupt{TIM6_EGR=0X01;TIM6_ARR=0X64; TIM6_P...
I am planning to buy a pocketpc2003 PDA, but it has not arrived yet. I can debug the system using wince5 (cpu s3c2410) normally via USB cable. Can I debug it with ppc2003?...
The JTAG interface between the J-LINK programmer and ARM is 20-pin, and I bought an adapter board with a 10-pin 2.54mm socket. Later, the circuit board I drew (the chip is STM32F103VCT6) uses a 10-pin...
[i=s]This post was last edited by 285844685 on 2015-9-3 08:45[/i] [code]The code is to write data into the 5922 constant current LED driver. It works fine when using jtag to burn it in, but it does no...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
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]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[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]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[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]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
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]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Embedded System
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