When I was reading the STM32 data sheet just now, I saw the fifth chapter about electrical characteristics. There are several figures about measuring pin parameters. I don’t quite understand the load ...
I have seen various versions online, some say that the JTAG port needs 3.3V, some say that it needs 2.5V. I have a USB_BLASTER downloader. I don't know how many volts it should use. Another question i...
[i=s]This post was last edited by flashtt on 2017-3-12 16:36[/i] First of all, I would like to express my apologies to the forum. Some of these boards were purchased during forum activities, but unfor...
Is there any expert who can help me explain the meaning of the statements with // in the following function? Thank you void init_devices(void) { CLI(); // port_init(); MCUCR = 0x00; // GICR = 0x00; //...
[color=#000]I would like to ask you, I use the eCAP module of F28335 to collect the frequency of pulses. When I stop sending pulses, the eCAP module always displays the frequency of the last pulse cap...
The piezoelectric effect was discovered by the Curie brothers when they were studying quartz more than 100 years ago. So, what is the piezoelectric effect?...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Distributed Wireless Communication System (DWCS) uses distributed antennas, distributed processing control, joint signal processing and other technologies to improve the system's spectrum efficie...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
For battery-powered portable devices, in addition to breaking through the limitations of processing power, the performance of portable system power supplies also needs to be continuously improved. ...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
stm32/stm8
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