1. Introduction
The air around us is a mixed gas, which contains water vapor. The dryness and wetness of the air are related to the amount of water vapor in the air, and the dryness and wetness of ...[Details]
With the popularization and promotion of OPC specifications, OPC interface technology has been widely used in data acquisition, automation control and production information management. When our ...[Details]
Go to A2.3 Registers in the ARM Architecture Reference Manual
R13 is usually used as SP stack pointer in the program! !
R14 is usually used as LR (link register) in the progra...[Details]
As people's awareness of energy conservation and environmental protection grows, the industry is paying more and more attention to the impact of energy consumption on the environment. Among various...[Details]
The width of TMR2 is 8 bits, the same as TMR0, and it usually appears together with the CCP module and PWM function. The 8-bit TMR2 timer has a pre-prescaler and a post-prescaler, and a cycle contr...[Details]
Data Acquisition (DAQ) is the process of converting physical signals such as voltage, current, temperature, and pressure into digital quantities and transmitting them to the target system. It is a b...[Details]
Shift Left
0100 1111 Shift left by one bit: 1001 1110 CY=0; the first bit goes to CY, and the last bit is filled with 0;
In keil c51, the internal function library INTRINS.H _crol_(m,n) means t...[Details]
This 7½-digit 2010 Series low-noise multimeter combines cost-effectiveness with high resolution to test high-precision sensors, transducers, A/D and D/A converters, voltage regulators, reference sour...[Details]
Since the release of the OPPO Reno4 series, it has been loved by young users. The blingbling "Reno Glow" crystal diamond craftsmanship, extremely thin and light body design, 65W super flash cha...[Details]
If you need to make on-site measurements, the N9342C Handheld Spectrum Analyzer (HSA) can help make your job easier. It provides essential features when operating in harsh field environments, and its...[Details]
Working principle: The circuit of the electronic anesthesia device is shown in the figure below. Since the transistor oscillator is basically a constant current source, when there are more than two g...[Details]
On Wednesday (7th), information security company Symantec (SYMC-US) surged 14.4% after the market. An insider reported that the acquisition of Symantec by technology giant Broadcom (AVGO-US) may be c...[Details]
Abstract: The single-chip microcomputer SPCE061A is used as the core component of temperature monitoring, combined with the PT100 sensor to complete the sampling of water temperature, and the digit...[Details]
Circuit principle: The circuit has three outputs from IC1555 and 47UF capacitor. The working principle of CD4022 is: when the EN pin is grounded, the CL pin inputs a square wave pulse, and the R pin...[Details]
1. Problem Statement
UPS has been developing towards high frequency, because high frequency structure UPS has many advantages, such as high efficiency, small size, high input power factor,...[Details]
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