The conventional method of converting AC mains power into low-voltage DC is to use a transformer to reduce the voltage and then rectify and filter. When limited by factors such as volume and cost, the...
if(k3==0){ while(!k3);timedata[0]--; if(timedata[0]0){timedata[0]=59;} Is there a problem with this code? Why can't I get 59 but 41 when timedata[0] is less than 0? The array is char timdata[5]. If I ...
2017 German Amateur Radio Exhibition - a feast of new products not to be missed: antennas, radios, amplifiers, audio processing, and microphones are all available...
The world's first LoRa SOC chip - STM32WL is newly releasedhttps://www.stmcu.com.cn/video/1519Long-range wireless STM32WL microcontroller
The STM32WL SoC complements the STM32 RF connectivity portfoli...
For switch-mode converters, excellent printed circuit board (PCB) layout is critical to achieve optimal system performance. If the PCB is not designed properly, the following consequences may occur: t...
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[Details]
As many companies listed with
the concept of
touch screen
begin to "transform and upgrade", the official voice of the TP industry is getting smaller and smaller. At the same time, the list o...[Details]
Analysts have sorted out some interesting phenomena. Let's follow the embedded editor to learn about the relevant content.
Huawei emerged as a star in the all-
flash
array sales ra...[Details]
According to the description provided in the official manual of ST, it is not difficult to see that the ADC analog watchdog is actually that the user can set an upper and lower limit of the AD value...[Details]
For complex calculations, the speed of the microcontroller is too slow. The best way is to manually calculate all the results in advance, store them in ROM in sequence, and then directly check the re...[Details]
Circuit: Using AT89S52 single chip microcomputer. P3.0 to P3.3 are connected to four external buttons. P3.4 to P3.7 are the bit selection ports for controlling the four digital tubes, and P1 is the s...[Details]
The following comes from - "cortex-M3 Definitive Guide" Special function register group: Program Status Registers (PSRs or xPSRs) Interrupt mask register group (PRIMASK, FAULTMASK, and BASEPRI) ...[Details]
:For medium and large-scale domestic photovoltaic power stations, inverters generally go through an open bidding process. Due to the high technical content of power station design, it is necessary ...[Details]
1. Analysis of the main causes of AVR damage: The AVR circuit consists of three parts: the rectifier main circuit, the voltage detection circuit, and the comparison control circuit. Excluding the...[Details]
According to Kyodo News, Japan's NTT Institute for Physical Science and others announced on November 20 that they had successfully developed a new ultra-high-performance
quantum computer
th...[Details]
With the development of electronic devices, more and more people pay attention to flexible electronic devices, which refer to electronic devices that can still work under certain deformation condit...[Details]
China has become the world's largest demander of
industrial robots
, with a stable market development. Automobile and parts manufacturing are still the main application areas of industrial
...[Details]
Analogue and Mixed Signal
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