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Using Systick timer to achieve delay 1. SysTick timer characteristics The SysTick timer is a 24-bit down counter, that is, when vlue is decremented to 0, an interrupt is triggered and the load va...[Details]
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In daily life, children are often forgotten in the back seat of the car, resulting in their death. It is heartbreaking to hear such news. Many people blame parents for being too careless, and hope th...[Details]
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Comparing the MEB platforms of Tesla and Volkswagen, both companies have made some improvements in the high-voltage connection system. We have already analyzed the Tesla part. This time, we will grad...[Details]
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There are many ways to detect LED driver power transformers. Here are eight simple detection methods for transformers:
1. Check the transformer for any obvious abnormalities by observing its appe...[Details]
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A crystal oscillator can be electrically equivalent to a two-terminal network consisting of a capacitor and a resistor in parallel and a capacitor in series. In electrical engineering, this network h...[Details]
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ATmega8 has an on-chip BOD (Brown-out Detection) circuit that detects changes in VCC during operation by comparing it with a fixed trigger level. This trigger level is set by the fuse bit BODLEVEL, 2...[Details]
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The determination of trace sulfides in samples has always been a task that troubles analysts, and the control of trace sulfides in samples is very important in many applications, such as the determina...[Details]
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During development, the ATmega8 peripheral SPI bus is used:
Before sending data, it is in slave mode and in receiving state. When sending, it needs to enter master mode, and then enter slave mode aft...[Details]
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For example: STM32 F 103 C 8 T 6 The "F" refers to the product type. Now it seems that there is only the general type, namely "F". The "103" refers to the product sub-series, 101 = basic type, 102 ...[Details]
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1. Adjustment of analog oscilloscope The adjustment and use of analog oscilloscope are basically the same. Now, take MOS-620/640 dual-trace oscilloscope as an example to introduce as follows: 1. ...[Details]
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Huawei sued the U.S. government in the United States, claiming its sales ban was unconstitutional, but Huawei asked the court on July 3 to reject the case. According to the latest news disclosed by t...[Details]
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The structural feature of this power system is that the power systems for DC loads and AC loads both use -48V busbar as input power. When the mains or rectifier fails, the -48V busbar power supply ...[Details]
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The basic concept of servo is accurate, precise and fast positioning. Frequency conversion is an essential internal link of servo control, and frequency conversion also exists in servo drives (for ...[Details]
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Abstract: This paper compares and analyzes the speed regulation modes of AC asynchronous motors, and focuses on the recent emergence of efficient speed regulation modes and their development.
K...[Details]
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The ringing ASIC requires a DC voltage with a certain polarity to work properly, and the ringing voltage is a 25Hz AC voltage. Therefore, the AC must be converted into DC first to supply the oscill...[Details]
Embedded System
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