I have made a custom board, but I wrote a routine to read and write MCP2515 through CCS to get the status data, which can realize the can driver. Now I want to control the mcp2515 chip through SPI on ...
[i=s]This post was last edited by qwqwqw2088 on 2017-7-20 21:56[/i] In the past forty years, a large number of literatures have reported the presence of manganese in the positive and negative electrod...
As the title says, when I copy files from one directory to another on the SD card, there is always one or two missing files, and most of the time, they are almost identical files. Has anyone encounter...
In recent years, driven by Apple and other manufacturers, the UWB (Ultra Wide Band) market has experienced an explosion. As a competitive communication technology, UWB has the advantages of high posit...
I am using the 2.6.18 kernel, and the vivi and kernel have been loaded, but when I boot up, the LCD does not display anything. The boot information under vivi seems to be correct, and the kernel has b...
Remember earlier this year a blog post would [color=rgb(205, 23, 31)][url=http://www.deyisupport.com/cfs-file.ashx/__key/communityserver-blogs-components-weblogfiles/00-00-00-00-65/6153.4380.arm.JPG_2...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[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]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]