Application of wireless data transmission module of nRF401 The wireless data transmission module consists of a single-chip RF transceiver chip nRF401 chip, which works in the 433.92/434.33MHz frequenc...
In the circuit connection of paging (flat type), you need to use [b]Off-page Connector[/b], of which there are two (or 4) items: [b]OFFPAGELEFT-L and OFFPAGELEFT-R[/b]. I saw in Zhou Runjing's book th...
I would like to ask you a question. I recently encountered a problem when debugging a program. The environment is KEIL+JLINK, and the processor is LM3S9B96. The program I wrote can run normally when i...
I am working on serial communication. I have not been able to get the TI routine to work. If any of you have worked on a program that can communicate with a computer, please send me a program. I will ...
I compiled the custom operating system successfully using the BSP that comes with the platform on WINCE 5.0, but when creating the driver project, there is always an error "BUILD: [01:0000000036:ERROR...
[i=s]This post was last edited by dcexpert on 2016-10-17 09:45[/i] [font=Tahoma, Helvetica, SimSun, sans-serif]The latest and smallest MicroPython development board is about to be tested. Here are its...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[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]
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]
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]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[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]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[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]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]