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0 Introduction
In order to reduce the dissipation of braking energy on the train braking resistor, suppress the temperature rise in the subway tunnel and reduce the on-board equipment, foreign ...[Details]
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The LPC2138 is a high-performance, single-supply ARM7 microcontroller that features multiple power-down modes to save power while the microcontroller is waiting to perform tasks. In power-down mode, ...[Details]
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With the continuous expansion of the domestic chip design market and the urgent need for domestic substitution, semiconductor IP and design service providers have also achieved rapid development. Amo...[Details]
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Beijing time, May 23 morning news, according to reports, people familiar with the matter revealed that US chip maker Broadcom is negotiating with cloud computing company VMware on an acquisition. Peo...[Details]
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We usually think of oscilloscopes as being used to analyze electronic circuits. But few people realize that they can also work like a TV when a video signal is present. In this article, you will lear...[Details]
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The on state of mode D is shown in Figure (a): switch S2 is closed, switch S1 and diodes D1 and D2 are not conducting. In this case, under the action of voltage V2, the current iL of inductor L incre...[Details]
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I think many friends, including some engineers who are just getting started or just engaged in embedded development, will be at a loss about memory. Putting aside the signal integrity, the principle ...[Details]
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LED lighting building blocks
Binary LED Clock
Black and white time
The simplest electronic watch is composed of four numbers, two for hours and two for minutes. The ...[Details]
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Foreign media reported that Chinese companies are stepping up their offensive in the field of hospitality and household robots . At the "2017 Berlin International Consumer Electronics Show (IFA2017...[Details]
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With the rise of healthy eating, air fryers that claim to be able to fry chicken nuggets, French fries and bake with just one click without using oil have become small appliances favored by foodies...[Details]
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There are two methods for connecting wires and terminals: welding and crimping. The terminal crimping process has been widely used in the past few years due to its advantages such as simple process...[Details]
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Overview: The host computer (PC) sends instructions to the MCU, and the MCU serial port receives the instructions and sends a response according to the list. Global variable declaration #incl...[Details]
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Figure 14 shows an example of using a MathCad worksheet to calculate differential impedance from data from a measured balun at 4,000 MHz. The calculation of differential impedance and the pl...[Details]
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In modern power supply technology, whether it is a linear power supply or a switching power supply , aluminum electrolytic capacitors are essential key components. However, in the conventional AC...[Details]
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Circuit Diagram:
This program has been produced through software simulation and hardware, and
was first released at: www.51hei.com . The code can be modified at will, but cannot be used for co...[Details]