Today I improved the previous PWM program. The initial setting of PWM is 500HZ and 50% duty cycle. The duty cycle is controlled by USER_BUTTON and increases by 0.001 steps to control the output curren...
Hello everyone, I want to ask you a question, is there a big difference between wince4.2 and 5.0? ? I now want to put a dll network card driver under 5.0 into the 4.2 environment, I wonder if this wil...
The live measurement method mainly solves two problems. One is to subdivide the problems found and finally lock them to the components with problems. The other is that if the problem has not been solv...
Red burst problem Some manufacturers promote whether they can produce infrared lamps without red burst as a technical issue, as if red burst means low technology and no red burst means high technology...
I. Simple operation of general I/O Refer to MSP430X5XX datasheet.pdf 1.1 Introduction to I/O Features: l Multiple multiplexing and settings (i.e., whether to control input, output, whether to connect ...
Assuming the number of sampling points is 16 and the number of filter coefficients is 17, the number of points after FIR digital filtering should be 16+17-1=32 points. I want to calculate the effectiv...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]
stm32/stm8
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