/******************************************************************** //File name: Keypad.c //Description: This file defines various interfaces and functions related to the matrix keyboard, suitable f...
A full wave rectifier is often used to obtain a DC level from an AC input. This is often used to measure the amplitude of an AC signal. A full wave rectifier is a mean detector. This needs to be disti...
Why is the PWM pulse width fixed? Does the frequency have a big impact? The counter preload is 9000, the capture comparison preload is 5000 (initialization, will change in while) The frequency is 100K...
[color=#333333][font=Tahoma][size=3]BM3508 dual-mode Bluetooth 4.0 module supports one-to-one mode. Protocols include BR/EDR/LE, and support UART communication (flow control function can be customized...
When using Altera's FPGA , due to system requirements, it is necessary to add pull-up resistors inside the pins. This can be set in the Assignment Editor in the Quartus II software . The specific proc...
[i=s]This post was last edited by ddasd on 2021-11-30 10:47[/i]To explain briefly, I work in industrial control, and my knowledge of electronics and analog circuits is limited to professional courses ...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]