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On April 22, a fire broke out again in the N3 building of Renesas Electronics, a major Japanese automotive electronics manufacturer that had just announced its early resumption of work. The factory i...[Details]
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This paper analyzes
the power factor correction problem of
electronic
ballasts, focusing on the working principles of the three modes of active power factor correction (peak
current...[Details]
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Connect an external crystal oscillator and then generate a clock source through the internal circuit
Directly use the external clock source
Select by setting the pin
FCLK cpu
HCLK AHB
...[Details]
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After understanding the principle of remote control transmission, you can make a remote control by yourself, but what if there is no special chip? Use a single-chip microcomputer, and then cooperate ...[Details]
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introduction
Analog circuits widely include voltage references and current references. In circuits such as digital/analog converters and analog/digital converters, the accuracy of the refe...[Details]
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This reference design uses the MAX16834 to build a 112.5W boost
LED driver
for driving long strings of LEDs, which are widely used in street lamps and parking lot lighting.
Input v...[Details]
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Full text·Introduction For vehicle bus data recording, the solution proposed by Hongke is to use the CANedge series CAN/LIN bus data recorder. According to different usage occasions and transmissio...[Details]
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SHL command The SHL instruction logically shifts the destination operand to the left by one bit and fills the lowest bit with 0s. The highest bit is shifted into the carry flag, and the original valu...[Details]
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5. Probe and accessories accuracy verification
The following figure is an example: the measured signal is a clock signal with a frequency of 456MHz and an edge time of about 65ps, and the...[Details]
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Application of trend drawing function of digital meter
Fluke 884X series, a new generation of benchtop digital meters with trend plotting function
The advancement of analog an...[Details]
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LED display screens based on mobile data use the GSM/GPRS/CDMA/PHS network, which has the widest coverage and is the most stable. They can update the content of LED display screens in real time and...[Details]
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With the development of electronic technology, electromagnetic compatibility issues have become a very important and difficult problem for circuit design engineers. Based on years of engineering expe...[Details]
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Passwords are actually a big problem in modern life. Experts usually recommend using long passwords that mix uppercase and lowercase letters, numbers, and other symbols to increase security, but su...[Details]
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STM8 provides firmware library functions just like STM32, but it is not as complete as STM32. The description document is in chm format and the name is stm8l15x_stdperiph_lib_um.chm. You can download...[Details]
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The method of connecting a single-phase inverter outputting three-phase 220V to a three-phase motor is as follows:
Determine the input power and output voltage of the inverter
First...[Details]