1. Absolute value function(1) _abs()C code: int _abs(int src)Assembly: ABSfunction: Calculate the absolute value of 32-bit data(2) _labs()C code: int _labs(long src)Assembly: ABSfunction: Calculate th...
[i=s]This post was last edited by ddllxxrr on 2022-1-19 21:15[/i]I was very happy to receive the development board this morning:
The board inside separated from the cover, but fortunately it was not a...
The installation of solar panels is a big problem. Shared bicycles are installed in the front basket, but I don’t want to install a basket, one is that it doesn’t look good, and the other is that it a...
[i=s]This post was last edited by Changjianze1 on 2022-9-1 15:05[/i]The external interrupt (EXINT) of Arteli AT32WB415 is directly connected to NVIC. EXINT contains 23 edge detectors for generating in...
[Live Details] Microchip Security Solutions Seminar Series | Session 11: Accessory Authentication Using Secure Elements【Content Introduction】
Are you looking to protect your revenue, brand or intellec...
For many people, the Internet of Things is "the next big thing." But in fact, the Internet of Things has already arrived, and it is creating a new world in which people can better manage their lives a...
China's humanoid industry has already begun preparations in terms of technology, commercialization, and industrial chain.
New technologies, new products, and new business models represente...[Details]
Apple released the new iPhone SE this week, equipped with the A15 Bionic chip. So is this A15 chip "full of power"? Last year, Apple used different numbers of GPU cores in chips made specifically f...[Details]
Lenovo Datacenter Technology Co., Ltd. (hereinafter referred to as "Lenovo Datacenter"), a leading intelligent data management solution and service provider committed to driving Chinese enterprises t...[Details]
As a variety of industrial applications continue to require liquid level monitoring in enclosed spaces, analysts predict that global demand for reed switch technology will grow 7.4% by 2023. To meet ...[Details]
Clock configuration and distribution The crystal oscillator frequency of tq2440 is 12MHz. There is the following statement in uboot: #define S3C2440_CLKDIV 0x05 /* FCLK:HCLK:PCLK = 1:4:...[Details]
Recently, digital blogger @i冰宇宙 posted a Weibo post confirming that the Galaxy Note 20 Ultra uses an LTPO low-power screen. He said that the minimum refresh rate of the Galaxy Note 20 Ultra and ...[Details]
As a beginner, correct use is the most basic skill. This article mainly explains how to use an analog multimeter to measure DC current. Step 1: When measuring, turn the switch to the required current...[Details]
With the continuous progress of society, the expansion of urban scale and the increase in population density, fire safety has become increasingly important. In recent years, many major fires have...[Details]
In the wide-area video surveillance fields such as forest fire prevention, border defense, coastal defense, ports, and oil fields, the application of long-distance and ultra-long-distance video s...[Details]
1. Common faults of voltage transformer For voltage transformers , the most common fault is that the core through-bolts are suspended in potential and discharged during operation due to unreasonabl...[Details]
Jiwei.com reported on July 22 (Text/Digital Control) that today, He Gang, President of Huawei Consumer Business Mobile Product Line, published an article introducing the repair mode of Huawei mobile ...[Details]
Maintenance of input liquid level gauge 1. Clean once a month. 2. When cleaning, first open the nut of the iron pipe of the submersible water level gauge and carefully take out the liquid level gauge...[Details]
Recently, ZTE and Marvell jointly completed the TD-LTE SSC9 test based on a commercial platform. This is the first time in the industry that the SSC9 test has been successfully completed, marking a n...[Details]
The single chip microcomputer source program for controlling the 28BYJ-48 stepper motor driver is as follows: #include reg52.h #include intrins.h unsigned char CCW ={0x80,0xC0,0x40,0x60,0x20,0x...[Details]
This circuit is the main wiring circuit of the high-voltage transformer (distribution) station. This main wiring scheme of the high-voltage transformer (distribution) station is representative. The m...[Details]
DSP and ARM Processors
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