If the voltage is input from point A and the circuit is disconnected and connected through an LED, what is the voltage at point B? I am a little confused...
Is there any level conversion chip that can directly convert 8-way 24V signal to 5V or 3.3V? I don't want to use optocoupler because it takes up too much space....
I wish you all a happy new year. In the new year, you will not be caught for slacking off, your code will not have any bugs, your computer will not freeze, and you will not miss a card after get off w...
As shown in the picture, this is the HDMI signal on the CPU side .My questions:
1. What are these resistors for?
Statement 1: Impedance matching Statement 2: Static electricity resistance2. Should the...
Refer to the kernel's built-in block device driver: drivers/block/xd.c drivers/block/z2ram.c 1. The structures required in this section are as follows: 1.1 gendisk disk structure: struct ge...[Details]
This can only be used as an opening chapter for your initial understanding of MDA Functionality: Pass the string data to UTXH0 through DMA0 channel, and then After the data is t...[Details]
In order to meet the application of a certain micro-power instrument and improve safety performance, a design scheme for an ultra-low power lithium battery management system is proposed. A bidirect...[Details]
This paper describes the causes and hazards of residual current, designs a set of intelligent leakage circuit breakers, and gives the hardware structure and software design. The test results show...[Details]
Limited by technology, the current conversion efficiency of LED is still unsatisfactory, that is to say, part of the electrical energy will be converted into heat energy, so the heat dissipation ...[Details]
Recently, the Beijing Municipal Development and Reform Commission announced the 2021 “Three 100s” municipal key project plan. This year, the total investment in the “Three 100s” municipal key project...[Details]
AVIC Securities: The epidemic has affected global packaging and testing capacity, and the trend of localization of supply chains of mainland enterprises has accelerated June 6 Short term: Under the c...[Details]
A 5G terminal consumption trend report released by China Mobile earlier this year pointed out that the survey found that hardware configuration, price and appearance were the top three key factors fo...[Details]
Application of Smart Antenna Technology
Abstract This paper first introduces the concept of smart antenna and its application value in improving the capabilities of wireless systems (capacity, cove...[Details]
On April 12, Zhiji Automobile joined hands with Momenta, the world's leading intelligent driving algorithm player, to successfully hold IM AD DAY in Suzhou, ushering in a major milestone update for t...[Details]
With the Microsoft Band no longer being supported in 2016, Microsoft's exploration of wearables has come to an end. But this does not mean that Microsoft has given up on this field. It has app...[Details]
1. Find the minimum system schematic diagram of C51 The development board you bought online must have a CD with a schematic diagram. First find the minimum system schematic diagram. This schematic ...[Details]
Audi is a brand that has taken car lights to the extreme. It is known as the "Four-Ring Light Factory". There are endless jokes about Audi headlights. "When I was waiting for the red light at the int...[Details]
(Photo source: greencarcongress) According to foreign media reports, researchers at the University of Oregon have successfully improved the catalytic water dissociation performance of bipolar memb...[Details]
The servo press is a high-precision, high-efficiency mechanical press equipment, which is widely used in the automotive, electronics, home appliances, packaging and other industries. The moving pos...[Details]
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