What is NB-lot?
NB-IoT, or Narrow Band-Internet of Things, has the characteristics of low cost, low power consumption, and wide coverage (cellular network). It is positioned in the carrier-grade, low-...
I encountered a problem when developing a program on Windows. I personally think it should be a unicode encoding problem. For example, there is the following problem; CString a("$ABCDE"); I personally...
[table] [tr][td][color=#666666]What are the correct ways to use the DIN rail power supply? The following scan IC network will answer for you: [/color] [color=#666666] 1. The AC voltage standards for D...
[i=s]This post was last edited by forever1314 on 2016-5-11 14:44[/i] int main(void) { u8 a,j,i=0; /* config the led */ LED_GPIO_Config(); /*config key*/ Key_GPIO_Config(); while(1) { if( Key_Scan(GPIO...
Since the maximum input voltage of MPS2307DN is 23V, but the current circuit requires 24V input and 3.3 and 5V output, MPS2307 cannot be used. I am looking for a compatible chip. It is best if the PCB...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
Assume that data is read from 8-bit AD (if it is a higher-bit AD, the data type can be defined as int), the subroutine is get_ad();
1. Limited secondary filtering
/* A value can be adjust...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
Floating-point digital signal processing has become a constant requirement for precision technology, often in applications requiring high accuracy in areas such as aviation, industrial machinery, a...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[Details]
1 Introduction
Solar street lights are mainly composed of four parts: solar photovoltaic cell components, batteries, charge and discharge controllers, and lighting fixtures. The bo...[Details]
1. Principle of displacement angle sensor
The angle sensor is used to detect angles. It has a hole in its body that fits the LEGO axle. When connected to the RCX, the angle sensor counts once ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
RF/Wirelessly
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