[i=s]This post was last edited by helloxieyu on 2014-8-9 11:56[/i] The ACLK oscillation problem caused by high temperature, there is no frequency deviation caused by temperature drift with a temperatu...
1. OverviewThe GD32F4 series is the earliest M4F core MCU I know of in China. Several other series such as F3 and E1 are M4 cores without hardware FPU, which are obviously inferior in some computing s...
One afternoon, my classmate was working in Construction Bank and was bored. A woman (a psychopath) dressed badly came to his window and gave him a note to withdraw money. The note clearly said "Comrad...
If you need to count high-speed (about 100KHz) random pulse signals with uncertain frequency and pulse width, what kind of circuit should you introduce the signal into? What kind of counting method sh...
As shown in the picture, I use a 20KHZ square wave to drive the IGBT. Why does the IGBT heat up so badly? Logically, this IGBT is 1200V/25A, and my voltage is only 20V/800mA. What's the problem? Is it...
TI system application engineers introduce you to a fully digital dual-head induction cooker solution implemented with a TI C2000 chip. C2000 devices are designed for real-time control applications and...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
The number of timers/counters and interrupt sources directly determines the performance of the microcontroller. The MCS-51 microcontroller has two programmable 16-bit timers/counters and five inter...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
As the electromagnetic environment in space becomes increasingly complex, the shielded cables used to transmit weak signals in the test system are easily affected by external electromagnetic distur...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]
In the process of designing electronic products, we usually control the cost of the designed products, always try to simplify the circuit, reduce the components, and simplify the installation process....[Details]