40kHZ ultrasonic transmitter circuit (1) [img]http://www.jinjubao.com/chao1328.jpg[/img] [i][/i] One of the 40kHZ ultrasonic transmitter circuits. The output of F3 is a 40kHZ square wave. The operatin...
[i=s]This post was last edited by 123mutouren321 on 2016-4-23 17:08[/i] I made an ISD4004 voice recording and playback circuit, but the speaker always has a rustling noise when playing. Chip: ISD4004,...
[align=left]The MSP430 microcontroller is used as the main control chip to control the relay switching cycle, and then the relay controls the circuit. Please guide me! [/align]...
[font=arial, 宋体, sans-serif]Discrete linear time-invariant z-transform Hz=Yz/Xz=8.25(z*z-1)/(z*z-0.64), draw the zero-pole diagram, is it stable? I need help[/font]...
(2006-06-28 08:34:42)A recent annual report on the global entertainment and media industry released by PricewaterhouseCoopers pointed out that the global entertainment and media industry is entering a...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
"Have you set your calendar reminder?"
On August 24, Nvidia Robotics' official account posted a photo of a black gift box on a social media platform, with an attached greeting card sig...[Details]
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Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
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A human-machine interface (HMI) refers to the platform used by people to operate a PLC. This platform provides an interface between programs and humans, serving as a medium for information transmis...[Details]
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Electric vehicles will revolutionize transportation, changing fuel consumption, carbon emissions, costs, maintenance, and driving habits. Currently, a major selling point for electric vehicles is t...[Details]