[i=s]This post was last edited by x1816 on 2017-9-18 09:00[/i] [font=微软雅黑]Evaluating an amplifier board mainly involves two aspects: objective and subjective. Both aspects are inseparable from the app...
The power amplifier is about 150 watts, the input pulse sine waveform, the duty cycle is 20%, after passing through the power amplifier, the first 5 cycles collapse. See the picture, what's going on? ...
Variable declaration and definition and the use of extern The declaration of a variable is different from the definition of a variable, which is often confusing. l The declaration of a variable tells ...
Recently, the " ZTE
incident"
caused by the Sino-US trade war
has caused heated discussions in the electronics industry. It not only reflects that Chinese companies are lagging behind in the...[Details]
In Windows environment, the source code is encoded in UTF-8. If the source file created by STM32CubeMX contains Chinese comments, then using STM32CubeMX to regenerate the source code will cause the C...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
WPG Holdings announced that its subsidiary Youshang has launched a wireless smoke alarm solution based on STM and Semtech . With the development of the national economy and the enhancement of...[Details]
On May 8,
Google
I/O 2018 Developer Conference was held as scheduled in Mountain View, California. In the second year of the full promotion of the "AI first" strategy, artificial intelligen...[Details]
The analog watchdog of the ADC is used to check if the voltage is out of bounds. It has two upper and lower bounds, which can be set in the registers ADC_HTR and ADC_LTR respectively. The library fun...[Details]
The STM32 watchdog has two WWDG and IWDG. The biggest difference between the two is that IWDG has only one lower limit for feeding, while WWDG, as the name implies, must be fed within a range to ensu...[Details]
1) ADC multi-channel acquisition: (Multi-channel acquisition must use scanning mode. In scanning mode, the channels of the rule group share a register, so DMA transmission must be used; to prevent da...[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]
: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]
Pay attention to whether the new lock matches the old door Smart locks have many advantages over traditional mechanical locks. Although the domestic penetration rate is not high, with the strength...[Details]
Cybersecurity is undoubtedly one of the most important topics for IT experts. This is true for security engineers, CISOs, CIOs, and even CEOs. Let’s learn more about it with the security electronic...[Details]
Shanghai, China, January 26, 2018 - In the era of entertainment, 4K high-definition entertainment content is highly sought after. More and more people are willing to watch travel images, children's c...[Details]