Using STM32 microcontroller, you can make constant current and constant voltage electronic load with simple method. I use LM358 and IRF540 to make constant current with external sampling resistor, but...
[size=14px]lcd12864.c is a test program, which has been modified very messily. mini2440_lcd12864.c is a driver. Now the problem is that my test program cannot enter the lcd_write in the driver; printk...
This electronic program is called engineering production program. Seeing many hard-working learners in the forum, I hope I can help you. If you have any questions about the program, please contact QQ2...
After setting up the project, you can finally start the project. First, get familiar with the development board and implement the LED and button functions. 1. Modify and write 2 function files respect...
[i=s] This post was last edited by johnrey on 2015-11-22 00:50 [/i] [size=4]Schematic diagramSimple flow chartVideo [/size] [size=4] [size=4] [size=4] [media=swf,500,375] http://player.youku.com/playe...
I have added the HIVE registry component, but I don't know how to modify the registry. The current content in nandflash.reg is as follows: ; HIVE BOOT SECTION [HKEY_LOCAL_MACHINE\Drivers\BuiltIn\NandF...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[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]
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]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[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]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
0 Introduction
With the rapid development of modern power electronics technology, various power electronic devices have been widely used in various fields such as power systems, industry, an...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Globally, the market for airbags and other restraint systems consists of different geographical regions, each with its own characteristics and needs. North America first introduced airbags in mass-...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
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