On December 7, 2005, ZTE officially launched the first domestically produced "lead-free mobile phone", and 300,000 units were exported to the UK to supply Hutchison 3G, which had a great impact on the...
I had some things to do in the middle and stopped updating for a while. Next, we will continue our development and testing. Today, I will make a simple software to simulate IIC to read the temperature...
The most important part of a wireless communication system is the antenna. Although the base station antenna accounts for only 2% to 4% of the total system cost, its importance is far more than that. ...
The book says that dsp28335 has 4G data space, but the external interface has only 20 address lines, the maximum addressable data space is 1M, and 32 of them are used to transmit data; and the memory ...
Analog ICs often require specialized IC process technologies that optimize performance and precision. Because specialized processes were originally designed for performance rather than cost-conscio...[Details]
Today, let’s talk about the controller of the proportional control valve, mainly to understand the PWM control principle.
1. Digital signals and analog signals
The principle of the ...[Details]
Glass rotor flowmeters are mostly made of glass. Their main measuring parts are made of glass, and glass is fragile. How to properly transport and store them to avoid damaging the glass tube has beco...[Details]
1. Serial port knowledge The application of the serial port is that the chip sends data to the computer, the computer downloads the program to the chip, and the chip sends the data in the chip memory...[Details]
(Image source: Paper on Intelligent Vehicle Monitoring System in Highway Traffic) According to foreign media reports, keeping a close eye on traffic flow on highways is beneficial in many ways, ma...[Details]
Power amplifier is an energy conversion circuit. Under the action of the input signal, the transistor converts the energy of the DC power supply into an output that changes with the inpu...[Details]
Refer to the online examples to summarize the initialization function #define TIM2_CLK 16000000 void timer2_Init(char channal, ulong hz,int pwm) { TIM2_ARRH = (TIM2_CLK/hz)/256; TIM2_A...[Details]
1. Preface
In order to adapt to the development of the power grid and meet the requirements of modern management, realize the "unmanned and less-staffed" operation and management mode of th...[Details]
This new mid-range MCU family provides designers with new levels of security and flexibility
New laws and regulations that will take effect in 2024 have imposed stricter requirements...[Details]
1. Idea Use the idea of decimal division vertical form calculation to do hexadecimal division vertical form calculation. Align the 3 bytes of the divisor with the 3 bytes higher in the dividend. ...[Details]
In various documents about oscilloscopes, safety instructions are usually placed in the first chapter to remind you: Use electricity safely and operate in a standardized manner. Before using an oscil...[Details]
At present, domestic LED lamp manufacturers generally only care about light parameters in the design stage. What kind of chip to choose, what kind of driver to match, how to dissipate heat, etc. H...[Details]
LDMOS (Lateral Diffused Metal Oxide Semiconductor Transistor) is widely used in mobile communication base stations, radar, navigation and other fields due to its advantages of high power gain, high e...[Details]
On November 17, Lianwei said on the interactive platform that the company's main customers for semiconductor silicon wafer business include China Resources Microelectronics, SMIC, Shenzhen Shenai Sem...[Details]
The S120 encoder is a high-precision rotary encoder that is widely used in industrial automation, robotics, CNC machine tools and other fields. The S120 encoder has a variety of models, and the par...[Details]