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Latching relays change their state when a short voltage pulse is applied to the coil. Since these relays do not require continuous coil current to maintain state, considerable drive circuit power...[Details]

Each time the Siemens PLC's up count input switches from off to on, the up count (CTU) counts up from the current value of the counter. The counter is reset when the reset input turns on or a reset...[Details]

Liquid crystal (LCD) projection technology is one of the mainstream digital projector display technologies. With its irreplaceable large screen advantage, projection imaging technology has become the...[Details]

Four years and eight months after its establishment, the company has accumulated losses of nearly 20 billion yuan; 10 months after listing on the New York Stock Exchange, its stock price and total ma...[Details]

GPS intelligent terminal is an important part of intelligent transportation system (ITS system), which integrates satellite positioning technology (GPS), geographic information system (GIS) and wir...[Details]

This article introduces a photoelectric complementary LED street light controller, which controls the solar panel to charge and discharge the battery pack, detects the battery capacity in real time, ...[Details]

Transformers are electrical devices that transfer electrical energy between two or more circuits through electromagnetic induction. They play a key role in the long-distance transmission and distri...[Details]

I want to write about the battery system design of Model S Plaid and discuss Tesla's design philosophy. The reference information mainly comes from the disassembly information of Model S Plaid, and o...[Details]

Today, the third-party market research organization Counterpoint released a data report on smartphones in the Indian market in 2019. Let’s take a look:           Data shows that although Xiaomi ha...[Details]

Abstract : This paper briefly introduces the principle of infrared remote control transmitting and receiving system, and gives a clever implementation method of using 89C2051 as a decoder of ...[Details]

The Darlington tube is two transistors connected together, and the polarity is only recognized by the front transistor. The specific connection method is as follows. Take two transistors of the sa...[Details]

　Data centers have installed hundreds of thousands of servers, which run 24 hours a day. The energy consumption problem is becoming more and more prominent. Electricity consumption accounts for more ...[Details]

In recent years, Sino-US trade frictions have intensified, prompting domestic terminal manufacturers to worry about the security of the supply chain. As the US government has included a series of out...[Details]

    Not all models of stm32 have DAC function, only stm32f103xC/D/E series have DAC conversion function. Since there is no relevant description in the library function manual, I can only find the cor...[Details]

According to a press release on October 23, Qualcomm Technologies launched a new generation of chip versions for its autonomous driving and digital cockpit platforms, namely the Sna...[Details]