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Check the process of the unstable zero-point electromagnetic flowmeter. First, make a preliminary check and judgment according to the process, and then check and eliminate the faults item by item i...[Details]
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The most effective way to regulate the current in an LED from a higher input voltage is to use a synchronous buck regulator. This can be easily accomplished with an integrated field effect transistor...[Details]
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This article introduces some common field test schemes and field test purposes of digital TV systems. Its working scope includes receiving, demodulating and restoring transmitted data. Digital TV test...[Details]
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Researchers at Colorado State University Boulder and the National Institute of Standards and Technology have made significant progress in using breath to diagnose disease. They report that a new lase...[Details]
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The epidemic has brought a lot of hot sales of electronic products, such as laptops, game consoles, etc. The sales of routers needed for Internet access have also increased significantly since the se...[Details]
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At present, desktop electronic scales are widely used in commercial trade, but they have great limitations: large size, high cost, need for industrial frequency AC power supply, inconv...[Details]
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According to foreign media reports, Sensys Networks, a US supplier of comprehensive wireless traffic detection and traffic data systems, has launched its latest smartphone application GiveMeGreen! to...[Details]
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Syringe tightness positive pressure tester It uses a 5.7-inch (120×90) single-color LCD touch screen with Chinese menu display. The nominal capacity of the syringe, the lateral force and axial pressu...[Details]
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I originally thought that setting the system time is very simple, as long as you modify the RTC, it will remember the time you set, but after testing, I found that this is not the case. So I studie...[Details]
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Global environmental protection and energy-saving regulations are driving automakers to design electric powertrain systems with smaller size and weight and the highest power efficiency. One of the ...[Details]
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1. High Voltage LED "High-voltage LED" is a low-power LED that is connected in series by LED manufacturers, as shown in the left figure of Figure 1. It is just a type of integrated LED. The main diff...[Details]
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1 Current Status of Embedded In-Memory Database Technology Development
The development of database theory and technology is extremely rapid, and its application is becoming more and more extens...[Details]
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(1) External interrupt request source: external interrupts 0 and 1 are introduced through external pins. There are two pins on the microcontroller, named INT0 and INT1, which are P3.2 and P3.3. There...[Details]
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The series voltage regulator circuit with amplification link is shown in Figure Z0720. Transistor T1 is an adjustment tube, which plays a role in voltage adjustment. Resistors R1 and R2 form a voltage...[Details]
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Four years later, the aftermath of the "emissions scandal" has resurfaced. On December 4, Reuters reported that German prosecutors raided Volkswagen's headquarters in Wolfsburg on Tuesday to search f...[Details]