The principle of phase-locked loop frequency controlPhase-locked loop frequency automatic tracking-------Use the phase-locked loop to ensure that it works at the desired frequency pointHow do you unde...
How to display the contents of the data packet in the serial port debugging assistant? I saw on the Internet that it is implemented in spimgr.c in zigbee2006. Where can it be implemented in zigbee2007...
p1-1,5,12=n/c p1-2,3,4,6=5V rtn P1-7,8=+5.1V,4.25A P1-11=+12V,44ADC P1-14=CHASSIS GND J1-1,4=PROGRAM J1-2=+10 ,0.25A J1-3=RETURN Does CHASSIS GND mean protection ground? Does PROGRAM mean programmable...
In the previous article, we introduced the hardware schematic diagram of the AC7801x motor development board. Now let’s complete the construction of the development environment.
First, we come to the ...
Reposted from Zhou Ligong's Sina BLOG [font=宋体]Last time at your company's presentation, I heard the interview manager say that your company addresses each other as [/font]"[font=宋体]"[font=宋体], so I w...
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[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]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[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
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]
Discrete Device
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