As the title says! My company wants to develop a software that can send and receive MMS messages on a PC via GPRS Modem. We are looking for cooperation. MSN: commcomponent@hotmail.com...
Abstract: Through comparative analysis of the application of traditional starters and variable frequency speed regulators in mine exhaust fans, a new exhaust system is found. An effective and feasible...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:03[/i] 1. How to choose the package of resistors and capacitors? Is there any principle? For example, the same 104 capacitor has 0603 and 080...
I strongly recommend a quadcopter module! ! ! ! To find some information about quadcopters, you have to look for each module, which is very difficult to find. I hope I can open a quadcopter or drone m...
Here, the inverter inputs 24V voltage, outputs 14.4V, 0.44A, and the output frequency is 50Hz[/size][/font][/color][/align][align=left][color=#333333][font="][size=15px]How to measure the output rippl...
Display screens are increasingly being used in various industries, from the splicing walls of public security surveillance to the splicing of shopping malls, from the splicing of government department...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
Embedded System
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