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Digital power meter is a multifunctional intelligent meter with programmable measurement, display, digital communication and electric energy pulse transmission output. It can complete functions such ...[Details]
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Electric and hybrid vehicles can charge their high-voltage battery subsystems through DC charging piles or ordinary AC power sockets. The on-board charger (OBC) is the core system of AC charging. As ...[Details]
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Before measuring current, the power supply of the instrument to be tested should be cut off, and the multimeter should be connected before power is supplied for measurement. Do not connect the mult...[Details]
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1. Introduction
In order to improve the power density of the motor controller and maximize the system performance of the motor controller, it is necessary to monitor the temperature of each de...[Details]
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The three-op-amp instrumentation amplifier shown in Figure 1 appears to be a simple structure because it uses the basic operational amplifier (op amp) that has been around for decades to obt...[Details]
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A sudden epidemic has added some keywords to this Spring Festival - Wuhan, new coronavirus, masks, isolation... From the time when confirmed cases were discovered at the end of last year to tod...[Details]
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LG recently had another dispute with Samsung, claiming that Samsung's 8K TV is not "real 8K" and its own TV is. LG Electronics publicly stated that Samsung's 2019 8K TVs do not meet the internation...[Details]
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After months of Beta testing, Android 12L was officially released, and Google's own Pixel devices were the first to experience the new version. According to XDA, Android 12L solves one of the...[Details]
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There have been many discussions online about the phenomenon that the STM32 I2C interface is deadlocked in the BUSY state and cannot be recovered. Looking at the older posts from a few years ago, som...[Details]
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1. Lighting system LED control card solution
(1) Basic lighting control
The characteristic of basic lighting in tunnels is that it has long working hours and needs to be illuminated 24 ho...[Details]
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Data Page 33 is the command page sent from an ANT+ controller to an ANT+ bike light to initiate a connection with a new ANT+ bike light. The command includes the light index and settings that should ...[Details]
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Lithium ions have once again become the target of public criticism. The just-concluded 2022 China Auto Forum has, to a certain extent, become a "complaint conference" for power battery manufacturer...[Details]
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A few days ago, StudioBinder published an analysis of the camera zoom and editing techniques of the Battle of Thermopylae in the movie "300 Spartans". This "ballet-like, relaxed and natural...[Details]
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//This program runs on the PIC microcontroller p18f458 to implement the self-test mode of sending buffer 0 to receiving buffer 0, where receiving uses interrupt mode
//Sending uses query mode...[Details]
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1 Introduction
Frequency measurement is the most basic electronic measurement technology. Commonly used frequency measurement methods have great limitations. Their measurement accuracy decre...[Details]