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...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[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]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
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