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In the detection and control of oxygen content in industrial production projects, to correctly analyze the oxygen content, it is necessary not only to understand the measurement principles, technical...[Details]
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Difficulty: 1. Serial port timer T1 and T0 timer priority 2. Setting of PWM frequency and duty cycle Button control Button 1 - Forward Button 2 - Back Button 3 - Accelerate Button 4 - Slo...[Details]
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#include reg52.h
#include intrins.h
#define uint unsigned int
#define uchar unsigned char
sbit DQ=P2^6;
sbit lcdrs=P1^0;
sbit lcdrw=P1^1;
sbit lcden=P1^2;
void disp(uint a);
void...[Details]
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Smart home (also known as smart house) is a safe, efficient, comfortable, convenient and environmentally friendly living environment that takes residence as a platform, combines architecture, network...[Details]
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Billionaire Elon Musk today announced the establishment of XAI, a company formed by top talent in the US technology field to replace OpenAI ChatGPT.
According to Reuters and other foreign news...[Details]
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In what cases does the inverter need to be equipped with a braking resistor?
The inverter is equipped with a braking resistor mainly to consume part of the energy on the DC bus capacitor throu...[Details]
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Traditional vector network analyzers (VNAs) usually use the so-called "virtual" method when measuring balanced/differential devices: the network analyzer stimulates the device under test with a singl...[Details]
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In the early morning of October 14, Apple released four new products: iPhone 12, iPhone 12 mini, iPhone 12 Pro and iPhone 12 Pro Max, and announced that the new iPhone packaging box will no lo...[Details]
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I originally planned to make a 6SN7 two-stage tube for FD422. I checked the price online and found that it was 45 yuan per tube and it was made in China. It was almost equivalent to my pair of FD4...[Details]
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51 MCU interrupt level Interrupt source Default interrupt level Sequence number (for C language) INT0---External interrupt 0 Highest 0 T0 ---Timer/Counter 0 interrupt 2nd 1 INT1---External interrupt...[Details]
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Unfortunately, my serial port has some problems and I can't print information. I can only debug to view variables and see the values. Fortunately, there is not much AD conversion code, and I can use ...[Details]
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In fact, there is a lot of information and examples for NRF24L01 on the Internet, so there shouldn't be any big problems, but various strange problems did occur, which took a lot of time. STM32F103...[Details]
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Tianyancha news shows that on October 22, Xi'an Xiaomi Communication Technology Co., Ltd. (hereinafter referred to as Xi'an Xiaomi Communication) was established with a registered capital of 10 milli...[Details]
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Regarding the question of how much power is left in new energy pure electric vehicles before charging, Hydrogen Cloud Chain consulted reports on relevant models and found that the optimal charging po...[Details]
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It can be applied to military radar signal analysis, ultrasonic signal analysis, digital broadcast signal analysis, or inkjet cartridge system testing. Take a closer look at the specifications of t...[Details]
PCB Design
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