The over-discharge protection value is set to 5V. After the discharge protection, the voltage returns to more than 6V without load, resulting in the battery actually only being able to be discharged t...
CYWUSB6934 is a 2.4 GHz CDMA radio transceiver. It can be directly connected to a USB controller or any standard 8-bit microcontroller through an SPI interface. CYWUSB6934 is suitable for wireless con...
An important indicator of the vitality of a technical standard is its iterative upgrade process. If a standard is "stopped", it means that it is not far from the end. USB ushered in another major vers...
Since the official announcement of commercial use of 5G in China, the speed of 5G network construction across the country has significantly accelerated.5G base stations are appearing in more and more ...
Water level control principle of water supply system The picture below is the schematic diagram of the water level control of the water tower. The dotted lines in the figure indicate the upper and lo...[Details]
With the development of information technology, image confidentiality technology will be valued in more and more applications. Due to the characteristics of image encryption such as large data volume ...[Details]
If the and
of a two-port network are given
,
and the and
are obtained
, the port characteristic equation of the two-port network is:
(5-5-1)
The above fo...[Details]
STM32 uses FSMC to read and write CPLD programs. CPLD is hung on the address line and data line of STM32. CPLD is regarded as an off-chip RAM for reading and writing. On the board I made, CPLD is hun...[Details]
LED usage rules and maintenance methods: 1. After buying the lamp, don't rush to install it. You should read the installation instructions carefully and then install the lamp according to the in...[Details]
According to data released by the China Passenger Car Association, the global penetration rate of new energy vehicles has shown a rapid upward trend, reaching 14% in the first half of 2023. The gro...[Details]
Using USART as an example to use DMA It is divided into two parts. The first is the configuration of the DMA peripheral itself; the second is the configuration of the DMA part of USART. DMA configura...[Details]
With the advancement of electronic design technology and the improvement of chip manufacturing technology, 16-bit and 32-bit microcontrollers are becoming more and more widely used. However, 8-bit ...[Details]
In recent years, terminal products have also spawned a series of market segments in different fields in response to different consumer groups. Take the "head-down tribe" group as an example. With the...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
The smart choice for all environments When performing Tier 2 testing on a two-fiber link with an OTDR, the way to get the correct measurements is to use bidirectional testing, which averages the meas...[Details]
On April 12, Taiwan media United Daily News reported that Intel announced that it would spend $3 billion to expand its D1X factory in Oregon, USA, to accelerate the development of technology needed...[Details]
Communication Application
(1) Dedicated Short Range Communications (DSRC)
DSRC is a V2V and V2I communication protocol based on the Institute of Electrical and Electronics Engineers (IEEE...[Details]
1 Power-on surge current
At present, considering factors such as volume and cost, most AC/DC converter input rectifier filters use capacitor input filtering, and the circuit principle is s...[Details]
In recent years, the sales of new energy vehicles in China have exceeded expectations. In October this year, the retail sales of narrow passenger cars reached 2.261 million units, of which new ener...[Details]
RF/Wirelessly
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