Based on the previous article on lighting up the LED light, we add a detection button input. When the button is pressed, the LED running light lights up, and when the button is released, the LED runni...
The so-called constant voltage source is an output voltage that is "extremely stable" and does not change with the load. In order to ensure that the voltage remains unchanged, the output current must ...
This article is quoted from an advertisement, and was filtered from the ARM Technology Discussion Forum [color=#00CCFF] advertisement.Filtered[/color] A very detailed collection of questions. I believ...
How to connect the circuit of SIM908?
Is it enough to connect GPS/DBUG-TXD, GPS/DBUG-RXD and TXD, RXD pins to STM32? And then connect SIM908 to SIM card and PWRKEY? Is this enough? Is there any circui...
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]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
1. Basic principles of organic/polymer solar cells
The basic principle of organic/polymer solar cells is to use the photovoltaic effect generated by light incident on the heterojunction of sem...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]
Tags: PMP Digital Signal Processing
Many observers and analysts agree that there will be only two hot technology topics in the field of electronic engineering and applications this year: o...[Details]
Tags: infrared receiver, infrared receiver
Infrared remote control is currently the most widely used means of communication and remote control. In industrial equipment, in environments suc...[Details]
0 Introduction
In today's scientific research and engineering, CCD is increasingly widely used, but its driving pulse and signal acquisition requirements are high, and generally requires a relat...[Details]
1. Preface
X25043 is a single-chip monitoring chip from XICOR. It combines four commonly used functions: power-on reset, watchdog timer, voltage monitoring and serial EEPROM functions into a s...[Details]
Microcontroller MCU
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