This article introduces a constant current fast charger suitable for walkie-talkies, which can charge 6 or 9 nickel-cadmium batteries. The charging time is 2 hours and the charger stops automatically ...
[align=left][color=rgb(25, 25, 25)][font="]The use of ESD protection devices in the design and manufacturing process of electronic products has been widely used in STM and PCB design, such as the inte...
In the process of developing automated test systems , Namisoft inevitably has to use instruments. Sometimes, faster readings are required, and these instruments need to be programmed to achieve this. ...
Recently, I need to use the ARM M4 chip to develop an FFT algorithm to analyze audio signals. However, the ARM DSP library only has a maximum of 4096-point FFT algorithms.If I want to do an 8192 FFT, ...
Thanks to the Electronic Engineering Welfare Society for pushing engineering knowledge to us, which enables us to find a way to improve ourselves outside of work....
[b][color=#5E7384]This content is originally created by EEWORLD forum user [size=3]tiankai001[/size]. If you need to reprint or use it for commercial purposes, you must obtain the author's consent and...
The dual-trace oscilloscope consists of an electron gun, a Y deflection plate, an X deflection plate, and a fluorescent screen. The two voltage signals YCH1 and YCH2 to be measured are periodically a...[Details]
The red wire is connected to the signal wire and the black wire is connected to gnd, so that the measured frequency and duty cycle will be accurate. If one of the multimeter's leads is connected to ...[Details]
The stepper motor control system implemented by the single-chip microcomputer has the characteristics of low cost and flexible use. It is widely used in CNC machine tools, robots, quantitative feedi...[Details]
On May 25, Liu Weiguo, head of the Innovation Application Working Group of the China Intelligent Connected Vehicle Industry Innovation Alliance, announced the background and core content of the compi...[Details]
Since Tesla was the first to deploy super charging piles, it has the most complete charging infrastructure in the United States. Now, Ford, GM, and Volvo have all announced that they will join the Te...[Details]
UART, I2C and SPI are the three most commonly used communication protocols in microcontroller systems. We have already learned the UART and I2C communication protocols. In this class, we will learn t...[Details]
Trustzone can be traced back to more than ten years ago, when ARMv7 was released, but unfortunately there has been no practical application. It was not until recent years that manufacturers began to ...[Details]
Xinwang Microelectronics completed its Series B financing, led by SAIC Hengxu, Wanxiang Qianchao, and SMIC Juyuan, and followed by Beyond Moore, Sanhua Hongdao, Silicon Harbor Capital, Yunxiu Capital...[Details]
.OverviewNCP1205
is a single-ended PWM controller newly launched by ON Semiconductor. It integrates a current control regulator and a demagnetization detector to ensure that the circuit ca...[Details]
Use key sequences to pass parameters from µVision to external user programs. A key sequence is a combination of a key code and a file code. Key sequences can be used, for example, in dialog boxes of ...[Details]
With the improvement of people's living standards, cars have gradually entered ordinary families, and the number of cars in major cities in China has increased year by year. At the same time, car thef...[Details]
At present, computer control systems have gradually developed from single-machine control to multi-machine control, and a computer network that integrates detection, control and management has emer...[Details]
(3) Remote control functions: ground remote control and locking, remote opening and closing operations of underground switches, circuit breakers or contactors, protection signal reset operations and ...[Details]
We can think of an oscilloscope simply as a voltmeter with a graphical display. An ordinary voltmeter gives a measurement reading of the signal voltage by moving a pointer or digital display on...[Details]
On November 4, the HuanDa 97.5MW/390MWh shared energy storage power station project started construction in the Beidaqiao new energy planning area of Guazhou County. Image It is understood that this...[Details]