I am looking for a chip that outputs a high level (low level) when there is a pulse input, and outputs a low level (high level) when there is no pulse input....
[i=s]This post was last edited by reayfei on 2019-3-9 19:42[/i] Selling a brand new STM32F412 development board, 120 yuan free shipping[url]https://market.m.taobao.com/app/idleFish-F2e/widle-taobao-ra...
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The New Year is here, and it looks like I’ll be staying at home for another Spring Festiva...
[i=s]This post was last edited by nemo1991 on 2021-3-28 22:36[/i]Digital isolation chips are commonly used in industrial control and power supplies.For example, in power supply design, the power signa...
Everyone has heard that the digital ground and analog ground need to be separated, but the methods are varied and varied. Some use 0R resistors to separate, some use magnetic beads, and some use capac...
Serial Port OverviewBaud rate software configurable
4 independent serial ports (UART0, 1, 4, 5)
Full-duplex communication
UART has data reception completion/reception error interrupts and raises error...
Three Options to Optimize the Control Loop of Power Converters
Three ways to optimize the control loop of a power converter
Question: Is there any simple way to ...[Details]
1. Frequency Counter Introduction
Electronic engineers often need to measure frequency, time interval, phase and count events. Accurate measurements are inseparable from frequency counters or its sim...[Details]
SIIC Research Institute released the "2020 Automotive Wire-Control Chassis Industry Research Report", analyzing and studying the current status and suppliers of the wire-control chassis industry. ...[Details]
China Energy Storage Network News:
Kelu Electronics (002121) is a national high-tech enterprise that provides equipment and solutions for smart grids and new energy applications. In recent ye...[Details]
characteristic * Complete program flow control * Emulates all analog and digital functions on the chip, except RESET pin * Real-time operation * Supports symbolic debugging (C and assembly level, or ...[Details]
Contents The invention relates to a flow meter on-site calibration method and a calibration system, belonging to the technical field of flow meter on-site calibration. Background of the Invention T...[Details]
Take any closed surface
S
in the conductor
. According to the law of conservation of charge, the amount of electricity flowing out of the closed surface
S
per unit time must be eq...[Details]
The 98th China Electronics Fair - International Components and Information Technology Applications Exhibition will be held at the Shanghai New International Expo Center from November 2nd to 4th. The ...[Details]
The CAN bus has a wide range of applications and the application environment is quite complex. Some interferences such as static electricity and surges are easily coupled to the bus and directly act ...[Details]
In ARM processors, we often use the SWI instruction to generate a soft interrupt. The soft interrupt instruction SWI instruction contains a 24-bit immediate value, which indicates the specific SWI fu...[Details]
Samsung Galaxy Watch 5's wireless charger received South Korea's RRA certification today, clearing the way for its release. The model number of the Galaxy Watch 5 charger is ER-OR900, which c...[Details]
1. Introduction to storage chips
Memory chips, also called memory, are memory components used to store programs and various data information. Depending on whether the data is saved after power...[Details]
Hundreds of new mobile phones are added to the market every year. The basic function of these mobile phones is the same, that is, communication. The peripheral design of mobile phones is the main way ...[Details]
Nowadays, multimedia computers are entering families. Due to the limitations of materials, cost, size and other aspects of the speakers with amplifiers, the sound quality is acceptable at low volume,...[Details]