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#include "macros.h" #define uchar unsigned char #define uint unsigned int void delay_ms(uchar i) { uchar a,b; for(a=1;a i;a++) for(b=1;b 141;b++) {;} } void main(void) { DDRA=0X80; PORTA=0X8...[Details]
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As the leading screen manufacturer in China, BOE has had a very ambiguous relationship with Apple in recent years. Apple has always had very strict requirements on its supply chain, which also indire...[Details]
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Artificial intelligence startup Megvii Technology is considering whether to postpone its IPO plans as its current $4 billion valuation faces uncertainty due to its inclusion on the U.S. “Entity List....[Details]
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The traditional Chinese festival Mid-Autumn Festival is coming, and many game malls and shopping websites will have certain promotions, especially game malls often have relatively large discounts. To...[Details]
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Abstract: With PXA270 chip as processor, a battery charging and power metering module is designed by using two high-performance chips LM3658 and DS2786. This module can be used in mobile phones, ...[Details]
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Foxconn said this week it plans to produce servers, network products and central control systems for cars at its plant in Wisconsin, U.S. The Wisconsin plant, which is not yet operational, was orig...[Details]
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The long and short weeks are a work requirement for many domestic companies, and this is particularly evident in the Internet industry. Now Kuaishou is taking the lead in canceling the long and short...[Details]
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By Zhang Quan, Chief Engineer of State Grid Energy Research Institute
my country's energy and electricity growth prospects are broad
On June 13, 2014, General Secretary Xi Jinping pro...[Details]
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简单的JK触发器
LIBRARY IEEE;
USE IEEE.STD_LOGIC_1164.ALL;
ENTITY JKff_1 IS
PORT (J,K:IN STD_LOGIC;
clk : IN std_logic;
Q: out STD_LOGIC);
end JKff_1;
ARCHITECTURE behave OF JKff_1 ...[Details]
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1. Pay attention to short circuit
Polymer lithium-ion batteries are prone to short circuits during charging, including internal short circuits, external short circuits, etc.
Although most...[Details]
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JPMorgan analyst Samik Chatterjee predicted in a report on Monday that Apple will launch a cheaper 5G iPhone SE in the first half of 2022, which may be priced at around $399, and will sell about 30 m...[Details]
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#define uchar unsigned char #define uint unsigned int #define uiVref_preset 2560 uchar const SEG7 ={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; uchar const ACT ={0xf7,0xfb,0xfd,0xfe};...[Details]
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ViewSonic has announced the launch of a new monitor, the VX2771-HD-PRO. The ViewSonic VX2771-HD-PRO has a 27-inch three-sided micro-frame design, a 16:9 golden display ratio and Full HD 1080P display...[Details]
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1 Introduction
Infrared communication is a commonly used wireless data transmission method. It has the advantages of no pollution, stable information transmission, high information security, and ...[Details]
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Hybrid cars have become more and more common on the road in the past two years. Even if you don't look at the official data, as long as you pay a little attention to the car choices of your friends...[Details]
PCB Design
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