M3BBA-1420K

1. Conventional standby Power supply Automatic switching device With the development of technology and economy, the requirements for the quality, continuity and reliability of power su...[Details]

         Atmel's AT73C209 is a mixed-mode analog circuit for low-cost music players. It integrates stereo audio DAC and power management devices, making it very suitable for battery-powered devices s...[Details]

1. Aliases: Dielectric loss tester, variable frequency dielectric loss tester, dielectric loss tester, anti-interference dielectric loss tester, fully automatic dielectric loss tester, heterogeneous ...[Details]

The first way is to use string storage assume cs:code data segment db 'my name is vvcat! ' ; source string data ends stack segment stack dw 0, 0, 0, 0, 0, 0, 0, 0 dw 0, 0, 0, 0, 0, 0, 0, 0 ...[Details]

It is a common practice to design a liquid level monitor 　　using a single-chip microcomputer . If there are many channels (more than 16 channels) for the liquid level to be measured, each channel is ...[Details]

USI announced that its consolidated revenue in April was 2.271 billion yuan, a year-on-year increase of 3.64% and a month-on-month decrease of 2.49%. The announcement also disclosed that Huanxu Elect...[Details]

drivers/base/devtmpfs.c devtmpfs is divided into two implementations 1. CONFIG_TMPFS is not defined 2. Define CONFIG_TMPFS  67 static struct file_system_type internal_fs_type = {             ...[Details]

　　With the development of LED technology, high-power LEDs have been widely used in lighting decoration and lighting, and power LED driver chips are becoming more and more important. Since the brightn...[Details]

The semiconductor industry has always been one of the "barometers" of the global economy, because the world's major consumer electronic products, such as smartphones, laptops, televisions, automotive...[Details]

;There is a corresponding C51 program ;This program mainly reflects the design of the button based on the single-chip microcomputer, ;Use the lower eight-bit LED display of P1 port, just to show the...[Details]

Dutch technology blog LetsGoDigital exposed OPPO's multiple watch dial product design patents in different forms. The patent was applied for by OPPO to CNIPA (China National Intellectual Property Adm...[Details]

This 50 W Mosfet amplifier circuit consists of a differential amplifier consisting of Q1 and Q2. Capacitor C8 acts as a decoupling so that the DC voltage is not exceeded. While C1 and R1 will remov...[Details]

At 2 a.m. Beijing time on March 9, Apple's spring conference officially began. In addition to the long-awaited iPhone SE3, Apple also brought everyone an iPhone 13 in a new color, as well as a new iP...[Details]

1. Leakage. The zirconia oxygen analyzer must be strictly leak-checked before initial use. The oxygen micro-oxygen analyzer can only obtain accurate data results under the premise of being tight and l...[Details]

Cars are becoming more and more popular, and have been chosen by more and more families as their means of transportation. Driving safety has attracted widespread attention from the society. Wheneve...[Details]