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A gas detector is an instrument tool for detecting gas leakage concentration, mainly referring to portable/handheld gas detectors . Gas sensors are mainly used to detect the types of gases present ...[Details]
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We often see articles about PC MODEM communication, but articles about MCU MODEM communication are rare. Now I will write down my personal experience of MCU MODEM communication for your reference. ...[Details]
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The working principle of the insertion electromagnetic flowmeter is based on Faraday's law of electromagnetic induction (Figure 1), which can measure the volume flow of conductive liquid in the pipel...[Details]
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In order to improve system communication efficiency and reduce costs, all current automotive designs use a large number of serial bus communication protocols. I2C and SPI protocols are commonly use...[Details]
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In order to meet the needs of the development of large-capacity and modular charging power supplies, a charging power supply based on a series-parallel hybrid structure is proposed, which consists of...[Details]
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According to Counterpoint Research data, Apple became the largest smartphone manufacturer in China in the fourth quarter of 2021, and its market share in China also hit a record high. The report show...[Details]
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Power management
solutions
Power management is a hot technology today. Power management includes
power
monitoring, sequencing, and margining (Figure 1). Power man...[Details]
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According to data from market research firm Omdia, the global semiconductor market has begun to shrink in the past two quarters. Semiconductor revenue in the third quarter of 2022 was US$147 billion,...[Details]
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Battery cell heavy object impact tester is to test the safety performance of the battery by using different heavy hammers from different heights and different force areas. The battery should not ca...[Details]
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3.2 Node Software Tuning
3.2.1 Mode selection
The module has two sending modes, command mode and transparent mode, their features are:
Command Mode In this mode, the module can parse AT...[Details]
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The main purpose of LED packaging is to achieve electrical interconnection and mechanical contact between the LED chip and the external circuit, protect the LED from external impacts such as...[Details]
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Ultrasonic flaw detector is a commonly used testing instrument , which has certain applications in many industries. Ultrasonic flaw detectors need regular maintenance not only when in use, but also...[Details]
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/// ...
#define A 10 //A value can be adjusted according to actual conditions
char value; //value is a valid value
char filter()
{
char new_value; //new value is the cur...[Details]
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When 2440nandflash starts, the first 4K of nandflash is automatically copied to the 4K area starting from the CPU's 0x0 address.
Then the CPU starts to run the 4K code (the code just copied), mainly ...[Details]
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Abstract:
A good intelligent connected vehicle in-vehicle service ecosystem can not only promote the healthy development of the intelligent connected vehicle in-vehicle service market, but al...[Details]
MEMS sensors
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