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South Korea is holding a driverless car festival with "5G connecting future transportation" as the main theme. 15 companies including SK Telecom, KT, Samsung Electronics, and LG Electronics will part...[Details]
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The motor winding connection method is the basis of motor design, which is divided into star connection and triangle connection. The most confusing or confusing part about these two connection meth...[Details]
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The cpu/arm920t/start.S program steps are roughly as follows
1. Set the interrupt vector table
2. Set the CPU mode to SVC32 mode and disable IRQ and FIQ interrupts
...[Details]
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As an important transmission medium for an integrated wiring project, the performance of optical fiber is particularly important, especially for optical fiber cables laid in the air or underground ...[Details]
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Summary For applications requiring high currents of thousands of amps, voltage regulators (VR) with extremely fast dynamic response are very suitable. This article describes a transformer-based vo...[Details]
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Let's talk about the hardware and software first: Hardware: The main control stm32c8t6 and 485 chips are isolated chips ADM2483, and the debugging tool is a usb to 485 connected to the PC. Software: ...[Details]
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1. Determine whether the circuit or device is energized
The AC voltage range of a digital multimeter is very sensitive, and it can display even a small induced voltage around it. Based on this fea...[Details]
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According to foreign media reports, the "Apple Car" may adopt a system that can alert the driver to debris and cracks on the windshield and other windows. The system uses infrared to determine whethe...[Details]
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As the usage rate of test instruments increases, instruments will inevitably fail. The maintenance of such instruments brings new challenges to our maintenance personnel. This requires us to have a w...[Details]
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Battery thermal runaway has become a hot topic, and battery safety has become a research and development focus for automakers.
In recent years, with the rapid development of the new ener...[Details]
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1. Buzzer mode Diode buzzer gear - In this gear, we can test whether diodes and some circuits are open or closed, and even some serious short circuits can be detected. For example, take a diode to ...[Details]
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Optical spectrum analyzers (OSAs) were originally used to measure the power spectrum of optical signals. They gained popularity after the introduction of wavelength division multiplexing (WDM), as ...[Details]
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After the Nintendo Direct yesterday, players and media thought that Nintendo would not release any more news during the Tokyo Game Show. However, early this morning (September 6), Nintendo in ...[Details]
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Western automakers have been concerned about competition from China's fast-growing and aggressively priced electric vehicles. But many Chinese electric car brands are also facing pressure from dome...[Details]
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The serious light decay problem of LED street lamps needs to be solved from the fundamental point of view of LED heat dissipation technology. At present, the growth rate of LED street lamps in Chin...[Details]
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