Because I need to complete an internship, I want to know whether I can use the 0x1f0-0x1f7 port of the IDE to read the 17th sector of the CD without calling the BIOS. If any experts know, please give ...
[i=s]This post was last edited by ywlzh on 2016-5-12 15:27[/i] I bought two, one with 8x focal length and one with macro. I wanted to buy the one with 12x focal length, but unfortunately I don’t have ...
[size=4][color=#252525]asm("br #0x8066"); means jumping to the address of 0x8066 for execution[/color] [color=#252525]asm("br &0x8066"); is equivalent to m("br 0x8066"); means jumping to the address o...
Since I graduated in 2005, I have been working on Web-related Mis system development, and I have also done mobile development. Because my company is not an IT company, the projects are basically compl...
This is quite fun, but I don't know how to upload videos for foreigners, so I can only post a link. I hope the host won't censor it. [flash]http://player.youku.com/player.php/sid/XMzczMDkxOTI=/v.swf[/...
China's "One Belt, One Road" initiative is boosting electricity demand in emerging markets in Asia, Africa, the Middle East and South America. As the core equipment for power generation, transmission,...
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
Overview
In spectral measurement, photomultiplier tubes (PMT) and charge-coupled devices (CCD) are often used as photoelectric converters. PMT is used in slow-changing, high-precision spectral...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]