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On August 8, local time, semiconductor giant Nvidia disclosed a financial report that was far below expectations before the US stock market opened. Some media described the difference in this financi...[Details]

Recently, according to the latest data from Canalys, global smartphone shipments in the third quarter of this year reached 325 million units, among which OPPO ranked fourth in the world, with a year-...[Details]

Because there is no interrupt clearing flag, this is different from other microcontrollers. The setting of the trigger edge of EXTI_CR1 can only be written when the general interrupt is not enabled! ...[Details]

In today's era of scarce resources, topics such as low-carbon economy, energy conservation and emission reduction, and green lighting are common, and the LED solid-state lighting technology advocat...[Details]

On-chip refers to the inside of the integrated circuit made into a chip, abbreviated as on-chip; peripheral is the abbreviation of external device, which refers to the device outside the integrated c...[Details]

#include //Include the header file. Generally, no modification is required. The header file contains the definition of special function registers. sbit duan=P2^2;//Define P2.2 as segment operation, y...[Details]

Compared with injection, oral administration requires less professional skills and is more acceptable to patients, so it has always been the preferred method of administration. However, biological ...[Details]

This article is about the storage manager of the s3c2440A chip. The supporting development board is the friendly arm mini2440. First, post the code The code of head.s: .equ MEM_CTL_BASE, 0x48000...[Details]

As more and more car companies set full electrification goals, Tesla's former co-founder reminds us that the goals are beautiful, but they have not fully planned out the extent to which they need to ...[Details]

The ADP8863 combines a powerful charge pump driver with advanced autonomous LED lighting features. It allows as many as seven LEDs to be independently driven up to 30 mA (maximum). The seventh LED ...[Details]

       According to the revelation of Meizu Technology CEO Huang Zhang, Meizu's 2019 flagship Meizu 16s series is no longer a secret. Just last Thursday, we found that the Ministry of Industry and In...[Details]

Timer initial value calculation Crystal oscillator 8M requires timing 25us and frequency division ratio 1:2 Initial value (EE) = 256 - 25/ (4/8*2) + 14/2 = 256- 25 + 7 = 238          ...[Details]

For household vacuum cleaners, cordless vacuum cleaners are more convenient to use. Wired vacuum cleaners were more popular in the early years. With the continuous improvement and development of va...[Details]

An encoder is a device that compiles and converts signals (such as bit streams) or data into a signal form that can be used for communication, transmission and storage. The encoder converts angular...[Details]

A soft starter is an electrical device used to start a motor. Its main function is to reduce the current impact when the motor starts and reduce the damage to the power grid and mechanical equipmen...[Details]