Source: Beijing Modern Business Daily Time: 2006-7-10 07:39Recently, online banking users have been robbed of huge sums of money. Currently, more than 70 users in more than a dozen cities including Be...
This experiment uses the PWM module of CH549 to output 4 PWM waves with different duty cycles on pins P22, P23, P24, and P25, and uses a logic analyzer to detect the duty cycle.
1. Experimental resour...
This application document introduces the PWM software driving technology of capacitive touch wheel and multiple independent LEDs using MSP430 microcontroller. The solution realizes capacitive touch wh...
5V, 28KHZ pulse, CP1 is not connected, I don't know how big to connect it, 50% square wave goes in, and it always comes out messy. Should R2 be changed to 350R?...
In preparation for the rumored AR/VR headset, Apple has reportedly hired Meta AR communications director Andrea Schubert to a similar position. According to Mark Gurman's "Power On" newsletter, Apple...[Details]
Abstract: After the field effect transistor is turned off, the cathode voltage of the LED increases, causing the LED to turn off. When the field effect transistor is turned on, the cathode voltage of...[Details]
According to SIA data, the global semiconductor market fell by 5.5% year-on-year in the first quarter of 2019. Affected by the decline in the global semiconductor market, the growth rate of my countr...[Details]
As we all know, the switching power supply is composed of three modules: isolation transformer, rectifier filter and DC-DC conversion network. The key to the design is the DC-DC converter, which incl...[Details]
The National Intellectual Property Administration recently released data showing that my country's global patent applications for solar cells currently total 126,400, ranking first in the world, an...[Details]
Yes, car audio testing makes its debut today. Car audio has long been a selling point for car manufacturers and promoted to consumers. In our ears, there are also well-known audio brands that are e...[Details]
The regional spatial resource integrated management system mainly uses GIS technology to conduct integrated management of spatial resources in independent regions, such as the management of various ty...[Details]
This article starts with the four basic structures of automotive connectors , introduces the design standards of automotive connectors, analyzes the three failure modes of automotive connectors in ...[Details]
Application
At present, power grid companies usually require that photovoltaic grid-connected systems
be non-reversible power generation systems, that is,...[Details]
LED color-changing light is a new type of light bulb. Its appearance is the same as the ordinary milky white incandescent light bulb, but it will automatically change color at a certain time inte...[Details]
Today, Honor held a new product launch conference for the Honor 9X series in Xi'an. Honor 9X and Honor 9X PRO were officially unveiled. In terms of price, Honor 9X PRO 8GB+128GB is 2199 yuan, 8GB+2...[Details]
In the process of total station applied to aircraft measurement, calculation is often involved to meet different application environments and measurement requirements. This paper selects STMicroele...[Details]
The clock signal of the microcontroller is like the heart of the microcontroller. The clock frequency of the microcontroller determines the time it takes for the microcontroller to run an instructi...[Details]
Amsterdam and Shanghai - September 16, 2021 - Solid Sands, a global leader in compiler and library testing and certification technologies, announces the appointment of a new strategic supplier in Chi...[Details]
The MAX9643 is a 60V precision high-speed unidirectional current-sense amplifier ideal for a wide variety of power-control applications. Its high signal bandwidth allows its use within the power-cont...[Details]
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