Anyone who is new to serial port programming must have seen a simple serial port communication test program. Click the serial port button to open, set the relevant parameters, then enter the content i...
Today I got the OLED expansion module of the SAM4L Xplained Pro starter kit. The full name of OLED is Organic Light-Emitting Diode, and its Chinese name is Organic Light-Emitting Diode, also known as ...
I have configured the general timer as overflow interrupt and set a 20ms timer. I can't think of disabling the timer after 20ms, and the next time I use it, the timer will start counting from zero. Ho...
I have been using Deepin, STM32 Nucleo and X-NUCLEO-IDB04A1 board to develop applications, and the results are good. I have just had some free time in the past two days to organize the materials and s...
[font=微软雅黑] The ultra-low power consumption of STM32L452 has attracted the attention of many people, especially the measurement of the ultra-low standby current as low as 37nA in SHUTDOWN mode, which ...
I want to test the timer PWM function on ARM2440, but the development board I bought only has two timers, TIME2 and TIME4, which are connected to a sound control chip. But now I want to test the timin...
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. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]
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]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Embedded System
京公网安备 11010802033920号
EEWORLD
