Recently, the company is going to start a project: the data of the on-site gas meter is sent to the company's server via GPRS. I don't know what this is all about. Please explain it to me. Thank you i...
Following the HT46R23 and HT46R24, Holtek Semiconductor has launched the HT46R232. This version combines the features and advantages of the HT46R24, which provides more I/O pins and PWM output, with t...
Abstract : Analyze some source codes in Boot ROM, focusing on IAP function and the relationship between ISP and IAP; use IAP function to convert the remaining program space into data space, and write ...
[i=s]This post was last edited by chenzhufly on 2014-12-30 11:15[/i] [p=26, null, center][color=rgb(73, 73, 73)][backcolor=rgb(246, 246, 246)][font=Arial, Helvetica, sans-serif, 宋体][size=14px][img]htt...
A microcontroller is an integrated circuit chip that uses ultra-large-scale integrated circuit technology to integrate a central processing unit (CPU) with data processing capabilities, random access ...
#include "\software\ucos-ii\source\ucos_ii.h"As mentioned above, my .h complete path is "D:\Program Files\uc\SOFTWARE\uCOS-II\SOURCE"Why is it that only the following path is sufficient?Isn't this an ...
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]
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]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[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]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[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]
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]
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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[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]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Measurement compatibility
It is very important to ensure the compatibility between the pressure sensor and its actual application. Before making a pressure sensor selection, the fo...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]