1) Is this thing used to convert serial port to parallel port? 2) In what specific occasions is it used? 3) How to use it? [img]http://p.blog.eeworld.net/images/p_blog_eeworld_net/JiaoYanMa_3AZZK/Entr...
Let me make one thing clear first. I hope someone who knows something can give me some advice. If you don't know something, don't say anything. Just say you don't know or you know a little. That way I...
The protector made by 430 can control the SIM300 module to send and receive text messages. Now there is a problem. When the device runs for a long time, it will freeze or not respond to commands, that...
I don't know how many methods you usually use: When we usually develop products, we often process the validity of input data by reading AD values. For particularly harsh environments, some of the data...
[i=s]This post was last edited by jorya_txj on 2016-6-5 09:47[/i] The latest version of raw-os git adds a monitoring mechanism for the maximum shutdown interrupt time of each task and the maximum shut...
[b][color=#000]STM32 clock tree[/color][/b][b][color=#000]STM32[/color][color=#000]Introduction to the clock system[/color][/b][align=left]In the CPU, the clock system is like a human heart, giving th...
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 early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[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]
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]
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: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[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]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
Embedded System
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