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An important reason for the low life of LED driver power supply is that the life of the aluminum electrolytic capacitor required by the driver power supply is insufficient. The main reason is that ...[Details]
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void delay_init(u8 SYSCLK) { SysTick- CTRL&=0xfffffffb; fac_us=SYSCLK/8; fac_ms=(u16)fac_us*1000; } The main function of Systick is to be used for timing. Its principle and application are briefl...[Details]
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On the morning of December 4,
the groundbreaking ceremony for the Xinwangda Yiwu New Energy Power Battery Production Base project was held in the eastern expansion area of the Green Power...[Details]
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On the 8th local time, Italy's newly-appointed Prime Minister Mario Draghi pointed out that the recent blockade of China's Shenzhen Invenland Holdings Co.'s acquisition of LPE, a Milan-based semicond...[Details]
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This paper introduces a 16-channel portable logic analyzer. It samples and caches high-speed data through FPGA, and uses USB control chip and FPCA to control the data through USB interface to send it...[Details]
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1. Theoretical lifespan:
LED light source 100,000 hours, 5 hours a day, lifespan up to 55 years
Cold cathode light source 30,000 hours, 5 hours a day, lifespan up to 16 years
Conclusio...[Details]
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Mobileye promises to provide "true redundancy" for L4 consumer AVs by adding a subsystem that combines a lidar with a series of software-defined radars. The company believes that its new 4D imaging r...[Details]
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Nowadays, environmental pollution has become the biggest problem facing our country. In the process of operation of some industrial equipment, a lot of sewage is often discharged. If these sewage c...[Details]
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Digital ground resistance tester is widely used in power, post and telecommunication, highway, communication, mining and other units to measure the ground resistance of various devices and the resist...[Details]
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Constant current drive circuit design: The LED drive circuit based on PT4115 is shown in Figure 1. The circuit can use Atmega8 microcontroller as the controller and set two input interfaces. The i...[Details]
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Just set the test range of the multimeter to the highest range of the AC range (1000 or 500, etc.) or higher than the voltage to be measured. Place it on the low-voltage distribution cabinet in the c...[Details]
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Electromagnetic flowmeters have been used for more than 50 years and have been widely used worldwide, covering various industries such as water/sewage, chemicals, medicine, papermaking, and food. Larg...[Details]
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The transmission converts the engine torque and speed into the traction and speed required by the car, and can meet the change of rotation direction required to make the car move forward or backward. ...[Details]
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On May 24, according to the author's inquiry, Guangdong Xidi Microelectronics Co., Ltd. (hereinafter referred to as "Xidi Micro"), a power management chip manufacturer, submitted an IPO prospectus an...[Details]
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Recently, the issue of "AEB (automatic emergency braking system)" in automobiles has been highly discussed on the Internet. The matter stems from Huawei's Qianjie Automobile promoting its smart drivi...[Details]
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