I read different screen coordinates from the serial port, and then use BitBlt to map at different points. I want to remove the map that was previously mapped at the old point while mapping at the new ...
Normally, when developing and debugging a DSP system, an SRAM chip is required as an off-chip program RAM. During debugging, the corresponding simulation board is used to download the program to the S...
:) Dear engineer friends, we are looking for NXP CORTEX-M0 M3 projects, and there are free samples for you!
Friends who are interested can join the QQ group~~~
Contact: Jiang R
Tel: 13723455874
QQ: 61...
[size=4][color=#0000ff]My spectrum analyzer suddenly stopped turning on a while ago. I spent 30,000 yuan on it in 2013. Now it doesn't turn on. I'm so sad. I can't bear to sell it, so I came up with a...
LM-400 Network temperature and humidity acquisition module without display (with built-in sensor) LM-410 Network temperature and humidity acquisition module with display (with built-in sensor) LM-420 ...
[i=s]This post was last edited by strong161 on 2017-6-6 09:09[/i] [size=4][color=#ff0000]Limited to honest transactions[/color] [/size][size=4] Sell one or one set of Atmel zigbee modules based on sam...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[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]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[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]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]