I made a PCI to serial port driver. After installing the driver, only if a new serial port (such as COM7) is added in the registry [HKEY_LOCAL_MACHINE\HARDWARE\DEVICEMAP\SERIALCOMM], the HyperTerminal...
[align=center][font=Tahoma,][color=rgb(0, 0, 0)][font=微软雅黑][color=#000000][size=26px]Reverse attenuator, G=-0.1...will it be unstable? [/size][/color][/font][/color][/font][/align][font=Tahoma,] [colo...
I didn't realize it when I just wrote the code. Once the code had a problem, I found out about it. Some parts of Linux did not meet the requirements of Unix, so it could not pass the Unix certificatio...
I want to make an sdio driver under XP. But when IRP_MN_START_DEVICE sends the IRP packet to the sdbus layer, it returns an error message, STATUS_DEVICE_BUSY (code: 80000011). What is the main functio...
GD32L233C-START Development Board Study Notes ( IV )
GD32L23C-START development board demo example
Open GD’s routine and you will feel a sense of familiarity.
int main(void)
{
systick_config();//Confi...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Embedded System
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