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A set of PLC backplane bus protocol interface chips based on CPLD are designed. The protocol chip can distinguish the periodic data and non-periodic data of the PLC backplane bus. The process of de...[Details]
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PK with competitors, say goodbye to 5V/1A, product drop/waterproof test videos... The 2019 Apple conference is becoming more and more "Android-flavored". Apple, which is high up on the world, is fina...[Details]
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/*************PIC16F917 MCU program******************************/
/*****File Function : Time0 timer/counter exercise program *****/
/*****Program Author : ZhengWen(ClimberWin) *****/ ...[Details]
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Companies in Apple's iPhone SE and AirPods supply chain said they had not received any instructions to cut production, despite repeated reports that they had done so. Analysts have previously repor...[Details]
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Connections between nodes are established via XMLRPC
When a node is just started, it does not know the existence of other nodes, let alone what they are talking about, and of cours...[Details]
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The so-called ripple voltage refers to the 50 Hz or 100 Hz AC component in the output voltage, usually expressed as an effective value or peak value. After voltage stabilization, the ripple voltag...[Details]
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The ultrasonic receiving circuit composed of operational amplifiers is composed of integrated operational amplifiers A., A:, A. R. c is the filter network, and diode D.?CR is the detection network. ...[Details]
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Requirements for adding terminal resistance
According to the provisions of ISO11898-2 on the value of terminal resistance, a 120Ω terminal resistor must be installed at both ends of the bus, t...[Details]
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Many people have different opinions on inkjet advertising LED displays. Some say it is good, while others say it is not. For this question, LED display manufacturer Shenghao Optoelectronics thinks:
...[Details]
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The world today is facing two major problems: the oil energy crisis and environmental pollution. Energy and environmental issues have become important factors affecting the economic and social deve...[Details]
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According to The Elec, industry sources revealed that Samsung has decided to build an S Pen into its future Galaxy Z Fold4 folding phone. The device is said to be launched in the second half of 20...[Details]
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At the beginning of the year, the EMB (electromechanical braking system) field has received good news one after another.
First, at the beginning of the year, the China Association of Aut...[Details]
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1. Brief introduction of S3C2440GPIO
GPIO stands for General-purpose input/output. In addition to being used as input and output, these pins can also be configured with other functions, such a...[Details]
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1 Introduction The resistance range of analog multimeters (commonly known as pointer multimeters) can be conveniently used to identify the performance of semiconductor components, but the resistance ...[Details]
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Overview
New energy vehicles can be divided into pure electric vehicles (EV) and hybrid electric vehicles (HEV/PHEV) according to their power sources. The vehicle controller is the core contro...[Details]