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According to Jiwei.com, on April 21, Phoenix Optics released its first quarter performance announcement, stating that its revenue in the first quarter of 2021 was 344 million yuan, a year-on-year inc...[Details]
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As portable products become smaller and thinner, higher requirements are placed on
power management chips
, such as high integration, high reliability, low noise, anti-interference,
...[Details]
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Keithley and Tektronix offer a wide range of bench and system digital multimeters (DMMs) to meet a variety of measurement requirements. This series of digital multimeters can meet the basic digital m...[Details]
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The biggest advantage of a notebook is its mobility and portability. The notebook battery is the guarantee of mobility. Proper use and maintenance of the battery can greatly extend its service life...[Details]
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With the continuous development of industrial automation technology, frequency converter (Frequency Converter), as an important device for controlling motor speed, is widely used in various industr...[Details]
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Voltage type three-phase bridge inverter circuit
In addition to the output waveform performance indicators, the performance indicators of the inverter should also include:
...[Details]
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#include iom16v.h
#include macros.h
#define uchar unsigned char
#define uint unsigned int
#define RS_H() PORTD|=BIT(4);
#define RS_L() PORTD&=~BIT(4);
#define RW_H() PORTD|=BIT(5);...[Details]
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Heat sinks, heat pipes and synthetic nozzles are several common cooling technologies used by LED lamp manufacturers to dissipate heat in products so that they can work properly.
FRANÇOISE...[Details]
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Qingdao Handheld Cable Tester Qingdao TFN Handheld Cable Tester is a new product launched by TFN brand. Different from the bulky traditional cable fault test system, this product is small and conveni...[Details]
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About USB Universal Serial Bus (USB) is the most widely used peripheral interface. It has become a standard feature of PCs because of its simple power supply, hot-swap support, simple expansion port,...[Details]
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Learning is the process of meeting challenges and solving difficulties. Without challenges, there is no fun in life. The following uses the MSP430 series microcontroller as an example to explain the ...[Details]
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Enable and initialize the IO port: GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD,ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
GPIO_...[Details]
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One of the most annoying things for a test engineer using a handheld oscilloscope must be seeing a signal flash across the oscilloscope screen and knowing that the signal is lost forever. On most o...[Details]
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STC89C52RC is a low-power, high-performance CMOS 8-bit microcontroller produced by STC, with 8K bytes of system programmable Flash memory. STC89C52 uses the classic MCS-51 core, but has made many i...[Details]
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Detecting far-field objects (such as vehicles 100 meters away) is fundamental to the safe operation of autonomous driving systems on highways.
In such high-speed environments, every second cou...[Details]
Embedded System
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