This is the circuit diagram I saw. The article says that the chip differential input and output resistance is 200 ohms, and the single port to ground impedance is 100 ohms. Therefore, a 100 ohm resist...
I would like to ask you, can the common cathode digital tube be driven by the 74LS series NAND or AND gate? Connect a small resistor to the i/o output port, then connect the NOT gate, then connect to ...
How to configure uclinux to let arm automatically get ip after power on? My development board is S3C44B0. I heard that uclinux supports dhcp. 1. What should I choose when compiling uclinux 2.4 kernel ...
1. The choice of crystal oscillator. The crystal oscillator frequency difference and the drift of the crystal oscillator load capacitance caused by temperature changes will lead to differences in rece...
Recently I discovered a magic pen like this: [b]A pen that can absorb 160,000 colors, this may be the last pen you need[/b]Come to think of it, the color picking should be done by an RGB sensor, and t...
Please help me look at the following program. I want to output. For example, if the input is "abcdefg", the output after loop right shift is "fgabcde". I want to see the following loopmove function ex...
International Solar Photovoltaic Network News: Chinese inverter company Sungrow announced that it will build a 3GW photovoltaic inverter manufacturing plant in Bangalore, the capital of Karnataka, ...[Details]
Event: The company simultaneously released its 2017 annual report and the first quarter report of 2018. In 2017, the company achieved revenue of 8.886 billion yuan, a year-on-year increase of 48.01...[Details]
After searching a lot of information, I finally understood the time base timer. I did not use any library functions but operated the registers directly. The following introduces the systick in STM32...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
Artificial intelligence
There is no inherent bias in AI. It does not "think" something is true or false for reasons that cannot be explained by logic. Unfortunately, human bias exists in mach...[Details]
1 Introduction Due to the special working environment of coal mine production, the production process is more dangerous and unsafe than the general industry. With the continuous increase in c...[Details]
Every era has anxiety that has nowhere to go. Let's follow the embedded editor to learn about the relevant content.
The anxiety of the post-Internet era is that if you don’t revolutionize ...[Details]
In order to strengthen the traceability management of recycling and utilization of power batteries for new energy vehicles, and to standardize and guide all relevant parties to fulfill their tracea...[Details]
1) Independent watchdog has no interrupt, window watchdog has interrupt 2) Independent watchdogs can be divided into hardware and software, while window watchdogs can only be controlled by software...[Details]
According to MEMS Consulting, single-chip radar system-on-chip (SoC) is becoming one of the most popular new sensors . Its widespread adoption in automobiles has greatly increased sales, thereby pr...[Details]
Analog electronics
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