I am a newbie. Can the AT commands in the code be directly recognized by putting them in the function without any encapsulation? [code]#include
#include#include "def.h"
#include "option.h"
#include "2...
Aiming at the defects of the existing coal mine monitoring system in power consumption, communication and anti-interference, a new coal mine gas monitoring substation is designed. The substation adopt...
JTAG is only used for JTAG, not for GPIO. Sometimes I can connect to IAR to download and debug, but sometimes I can't connect. What's the reason? Is the hardware JTAG interface damaged? Thu Sep 29, 20...
[size=4] When we choose and buy a quartz crystal oscillator, or when we look at the crystal oscillator specification provided by the manufacturer, there will be an indicator of output mode (Output Typ...
[i=s]This post was last edited by fxyc87 on 2014-7-5 09:48[/i] [code] [/code]This routine function: Enable interrupt, indicator light, press to light up, press again to turn off. All contents are orig...
[i=s]This post was last edited by Xinjiang Little Watermelon on 2021-6-22 12:18[/i]First of all, I would like to thank EEWORLD for providing a communication platform. I have been feeling depressed rec...
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]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[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]
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]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[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]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[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]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[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]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]