Several issues on relay contact protection circuit, switching power supply RCD circuit, and MOS tube structure
1. The relay coil is connected in parallel with the RC series circuit to absorb the self-...
[backcolor=white][color=#000000]1. Preface[/color][/backcolor] [backcolor=white][color=#000000] I have made a data transmission between two DSPs, C5509A and C6748, which are transmitted via RF24L01 de...
I have written programs for two STM32 chips, STM32F107 and STM32F207, but I always feel uncomfortable with the Flash. I just want to say this, and if you happen to see it, and if you happen to have ti...
I am learning about power tool circuit design. I saw a circuit board in the battery pack of an electric drill, which contained 12 MOS tubes of the same model . I don’t understand why so many MOS tubes...
I bought an LPC2131 ARM board and the following situation always occurs. I use JLink, so I can't burn the code afterwards. I can only re-encode after burning with J-Tag? The burning method I use is de...
"Have you set your calendar reminder?"
On August 24, Nvidia Robotics' official account posted a photo of a black gift box on a social media platform, with an attached greeting card sig...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
introduction
According to the China Fire Statistics Yearbook, electrical fires accounted for more than 30% of fire accidents in the past decade, and the trend is increasing year by year. They ...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[Details]
Smartphones can be incredibly unintelligent. For example, consider an office full of people, each absorbed in their work. Suddenly, the silence is broken by a burst of loud pop music. A colleague's...[Details]
Reasons for the wear of the roller press reducer shaft:
1. Since the expansion sleeve is subjected to a large torque, the mating surfaces of the shaft and the sleeve move relative to each other...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Naxin Micro releases the NS800RT737x high-performance real-time control MCU (DSP), enabling core control in the industrial and energy sectors.
In power electronics and electric drive...[Details]
EVTank predicts that all-solid-state batteries will achieve small-scale mass production in 2027 and large-scale shipments by 2030. Global solid-state battery shipments will reach 614.1GWh, of which...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
According to foreign media reports, Apple is secretly evaluating several artificial intelligence hardware concepts, including smart home displays, security devices and a desktop robot, of which the...[Details]