The COVID-19 pandemic over the past year has caused more people to work from home, which has accelerated the adoption of Wi-Fi 6.Consumers are also adopting this higher-speed standard to upgrade their...
I would like to ask you a question. Can the impedance of a section of RF trace on a PCB be measured using a network analyzer? For example, look at S11 or S21? I hope you can give me some advice, thank...
[size=4]1. The failure condition is as follows:[/size] [size=4] [/size] [size=4] When the driver is installed correctly (the board is automatically installed when the USB is plugged in):[/size] [size=...
[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:11[/i]When debugging EC-01F MQTT to access Alibaba, the normal communication state is frequently disconnected and then automatically connect...
At the moment the tweezers are short-circuited, the load becomes 0.
At the moment the tweezers are released, the load changes from 0 back to its original value.
Is this change process completed instan...
I have a heating wire that is AC 70V, so I need a 220V to 70V transformer.
The temperature control module is a relay output model, with a heating wire of 800W and a transformer of 3KVA.
Now it is not ...
Today, lithium-ion batteries are increasingly used in a wide range of applications such as electric motorcycles, portable power tools, and plug-in hybrid vehicles. Designing protection circuits for t...[Details]
Flyback switching power supplies are widely used due to their simple circuits and relatively low electromagnetic interference. They also put forward higher requirements for the output voltage spikes a...[Details]
I used an oscilloscope to capture an unknown signal, but the waveform kept shaking, making me dizzy and at a loss. How can I make the waveform obedient and stable? Should I adjust the gear or chang...[Details]
The increasing number of electrical equipment and power consumption on modern aircrafts has put forward strict requirements on the capacity, power supply quality and reliability of onboard power su...[Details]
After the electroplating rectifier is placed in place at the production site, connect the copper busbar of the rectifier and the reversing
switch
. The reversing
switch
needs to be ...[Details]
1. Start-stop control circuit
Control requirements: Press the start button (I0.0 is ON), Q0.0 is ON; press the stop button (I0.1 is OFF), Q0.0 is OFF. See Figure 1 for the ladder diagram.
...[Details]
According to China Chip Valley, the lithography equipment provides important support for the institute's research and development in the CMOS field. In addition, the two parties will conduct in-depth...[Details]
1. Accurate delay Having learned the software debugging teaching in the previous lecture, we can now use software to debug the code with a delay close to 1 millisecond: for(j=115;j 0;j--); If you ...[Details]
1 Introduction
Modern industrial automatic control systems are developing in the direction of intelligence, networking and open structure. Realizing communication between different types of ...[Details]
STC89C51/STC89C52 Timer No internal oscillation source, an external crystal oscillator is required Using 11.0592MHz or 22.1184MHz can easily get the standard clock for serial communication. The STC89...[Details]
In order to quickly grasp the basic structure of the PIC microcontroller source program, a typical program structure framework is given here. When creating a source program, first use the pseudo-instr...[Details]
While temperature measurement is a routine requirement for many applications, developers still face significant challenges in ensuring highly accurate results. Overcoming these challenges often resul...[Details]
China's national standards for automotive chips are expected to be implemented in the next five years. According to the Securities Times, on November 15, Zou Guangcai, deputy secretary-general of the...[Details]
NetEase Mobile News, March 22, 2022, as a smartphone brand that has grown rapidly in the domestic and foreign markets in the past two years, realme has recently launched new phones. Today, realme has...[Details]
1.Nor Flash Hardware Introduction: From the schematic diagram, we can see that NOR FLASH has address lines and data lines. It is similar to our SDRAM interface and can read data directly, but it ca...[Details]
RF/Wirelessly
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