The oximeter uses non-invasive infrared technology to measure the oxygen content in the fingers, toes, and ears, which are the most common places to measure blood oxygen. The more accurate name for th...
[color=#4f4f4f][font="]When I follow the steps to burn the Android system, uboot prompts an error and then hangs..[/font][/color] [color=#4f4f4f][font="]Ready : cache[/font][/color] [color=#4f4f4f][fo...
Q: What are flash sectors? Where are they recorded?
answer:
The memory location of each sector is documented in the data sheet memory map.A flash bank consists of multiple sectors.The sector size corr...
Private 5G cellular deployments meet enterprise needs for high-speed, low-latency connections between large numbers of devices, and some say the technology could replace Wi-Fi, but that's unlikely to ...
[p=25, 2, left][color=rgb(51, 51, 51)][font=Verdana, 宋体][size=14px]Bluetooth's convenience and global acceptance allow any Bluetooth-enabled device to connect to other nearby devices through a pairing...
As shown in the figure above, the op amp has two input terminals a, b and an output terminal o. They are also called the inverting input terminal (inverting input terminal), the non-inverting input...[Details]
R-2R Resistor Ladder Digital-to-Analog Converter (DAC) Target The goal of this experiment is to explore the concept of digital-to-analog conversion using a CMOS inverter as a reference switch fo...[Details]
ROM and RAM both refer to semiconductor memories. ROM is the abbreviation of Read Only Memory, and RAM is the abbreviation of Random Access Memory. ROM can still retain data when the system stops powe...[Details]
Malaysia recently implemented a tougher "Enhanced Movement Control Order", and local IDM manufacturers were forced to suspend operations. It is reported that IDMs have notified customers that the del...[Details]
I have been studying stm32 for some time. Since I had never been exposed to it before, it took me a long time to build a project. The following are the general steps for me to build a project. I also ...[Details]
Blue Whale, Lextar, LITEON, Technica, USI/Asteelflash and YTMicro of ASE Group have joined the ISELED Alliance We are pleased to announce that additional microcontroller and LED manufacturers and m...[Details]
Because I need to use it, I learned how to operate the SD card with SPI, and at the same time transplanted a free and open source FAT file system: FatFS. It feels good. I have realized the operation ...[Details]
According to Jiwei.com, with the normalization of COVID-19 prevention and control, enterprises are gradually returning to normal operation. In order to reduce intensive contact between people in conf...[Details]
According to foreign media reports, Yageo has agreed to acquire the US passive device manufacturer KEMET for US$1.8 billion in cash. Through this transaction, Yageo will expand its product portfolio....[Details]
In the era of automobile intelligence, chips have become the base for innovation. On the sales side of car companies, more and more brands are beginning to add information such as car chip types and ...[Details]
Many netizens who are new to 51 microcontrollers may have this question: What is AT89S51? Books and online tutorials all mention 8051, 89C51, etc. I have never heard of 89S51?!
Here, beginners need...[Details]
At present, the TWS headset market has arrived. As the main supplier of Android TWS, Goertek maintains a leading position among Android customers and is expected to benefit from the popularity of And...[Details]
This article provides designers with recommendations for protection and low-power control components for power outlet designs that prevent overloads from damaging sensitive circuits while maximizing ...[Details]
BlackBerry has launched QNX Black Channel Communications technology, a new software solution that OEMs and embedded software developers can use to ensure secure data communication exchanges within sa...[Details]
1. Battery Management System Overview
At present, pure electric vehicles all use lithium-ion batteries, and lithium-ion batteries also have some "little tempers" of their own. In order to enab...[Details]