Recently I have been dealing with domestic substitution plans. Although the plans are there, the domestic chip production capacity is insufficient and there is no supply.
So I have always had a questi...
Since wireless networks use radio waves to transmit data signals and adopt radio frequency (RF) technology to send and receive data through the air, the role of antennas is extremely important. With t...
1. If the MCU has a serial port peripheral, adding a level conversion chip, such as MAX232, SP3485, will become the RS232 and RS485 interface.
2. RS485 uses differential signal negative logic, +2~+6V ...
The oscilloscope signal acquisition mode is used to control how to generate waveforms from sampling points. The commonly used waveform capture modes of Dingyang oscilloscopes are normal mode and peak ...
I believe that many of my friends have this question when studying electricity or using a wiring harness tester: how does alternating current become direct current?
First, let's understand the basic c...
I suggest that when searching for inviters, you can press Enter to start the search directly instead of clicking the Find button with your mouse. As shown in the following figure, after I deleted the ...
Intelligent practical programmable light controller source program
SCK BIT P1.5 ;Clock control
SI BIT P1.4 ;Data input
SO BIT P1.6 ;Data output
CS BIT P1.7 ;Chip select
RcvD DAT...[Details]
On January 26, the 2024 "Industry-Education-Evaluation" Manufacturing Industry Talent Training and 2024 Shenzhen Industry Conference with the theme of "Industry-Education Integration and Empo...[Details]
The role of motor winding varnishing
1. Improve the heat resistance and thermal conductivity of winding insulation
Before varnishing, the gaps in the winding insulation are filled with ...[Details]
On May 10, State Grid Jilin Electric Power Co., Ltd. and Jilin Provincial Local Financial Supervision and Administration Bureau, Industrial and Commercial Bank of China, Agricultural Bank of China,...[Details]
The main function of a spectrum analyzer is to display the spectrum characteristics of the input signal in the frequency domain and to measure signal parameters such as signal distortion, modulation,...[Details]
The 4th China International Import Expo is about to open, and Qualcomm invites you to witness the bright future of 5G connectivity On November 5, the 4th China International Import Expo will be gra...[Details]
This section is divided into two parts:
1. ARM boot process
2. Write code
1. 2440: Once powered on, it takes out 4KB of code from Nand and puts it into the stepping stone in SRAM to run and i...[Details]
The advantage of integrated parking and parking is that the cost is lower, and the functional experience is also significantly improved. Traveling and parking together has been popular for some tim...[Details]
Leapmotor Uses BlackBerry QNX to Build Next-Generation AI Cockpit for Its New Electric SUV
Hangzhou, China – November 18, 2021 – BlackBerry today announced that
Leapm...[Details]
As a communication specification, IIC bus is widely used in various chips and internal communications. It is no exaggeration to say that if you don't understand IIC bus, you have not studied electroni...[Details]
For a long time, current mutual inductance
transformers
have been used
as
a standard device in
instruments
and equipment
to measure
precision current. Even in harsh environme...[Details]
Recently, a batch of OPPO mobile phone renderings were exposed. This series of renderings came from a "mysterious" new phone that has not yet been announced. Some users suspected that this would be t...[Details]
Adding two infrared remote control interfaces to the single-chip control system, using handheld infrared remote controls to assist or replace keyboard operations, brings great convenience to users....[Details]
The so-called "peak hold" function means that the digital multimeter can hold the peak value measured at the time on the display screen; in other words, "the final reading on the display is the maxim...[Details]
Crowbar overvoltage protection circuit
Figure 2. Crowbar type overvoltage protection circuit A typical application of overvoltage protection circuits is the thyristor crowbar circuit, which can ...[Details]
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