My graduation project requires a SMS sending and receiving program. I need an SMS development kit that provides functions such as sending and receiving. The development kit is a DLL with detailed inst...
Main control: LPC1788 NADFLSH: is from Samsung: K9F1G08UOC, 128M File system is used: yaffs file system [size=4] [color=black][font=simsun, serif] [/font][/color][/size][size=4][color=black][font=sims...
ARM MMU page table framework file:///C:\Users\郭晓娟\AppData\Local\Temp\ksohtml\wpsF282.tmp.png[/img] First, let's take a look at the general block diagram of the page table structure of arm mmu (the fol...
I am writing a bootloader and I have some trouble with the serial port. Can you guys give me some advice? I have divided the bootloader into two stages. Now the first stage is almost completed. I just...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] Tianyuan Century PCB Design Studio was established in 2004. The company is a senior professional PCB design laboratory with rich...
Innovation in the semiconductor industry is often about improving upon existing products, but when it comes to design, less is more. At Texas Instruments, we looked at the electronic build of material...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]
1. The composition and structure of mobile phone lithium battery
Mobile phone lithium batteries are mainly composed of plastic shell upper and lower covers, lithium battery cells, protection c...[Details]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]