Let's first briefly introduce the operating principle of LCD. As shown in the LCD schematic diagram below, each dot in it is a pixel. Imagine there is an electron gun that emits light of various color...
A schematic diagram found on the Internet. Now replace the L in the diagram with a passive crystal oscillator, as shown belowCan this achieve oscillation? Does oscillation require R1 to be much larger...
It's not fun if you can't debug. I can't afford an expansion dock, so I soldered two DF12 (4.0) male connectors to an emulator and tried it. I searched many stores and finally found one that was reaso...
IntroductionWith the continuous development of the communication industry, mobile terminals have evolved from the original single call function to the comprehensive development of voice, data, image, ...
The screen module's power supply voltage is 11V~26V, so choose 12V, which is easier to connect. There is a socket that can output 12V. Although the board power supply does not lead to a standard inter...
With the rapid development of power electronics technology, the continuous updating of power devices, and the increasingly perfect development of PWM technology, switching power supplies have been ...[Details]
The ARM architecture is the foundation on which every ARM processor is built. The ARM architecture has evolved over time to include architectural features that address growing new features, high perf...[Details]
Systems that control mechanical motion at the level of individual quanta are emerging as a promising platform for quantum technologies. New experimental work has now determined how to measure the qua...[Details]
The microcontroller source program is as follows: #include REG52.H //Includes header files related to 51 MCU #define uchar unsigned char #define uint unsigned int /*================== Definition of...[Details]
With the widespread application of chips and Internet cloud technology in various industries, information security has become increasingly important. Nowadays, all aspects of people's daily life are ...[Details]
The timer is mainly used to delay and obtain program running time.
#include "system.h"
#include "timer.h"
//Timer 0 interrupt handler
void (*Timer0_Isr)(void) = NULL;
//Tim...[Details]
Recently, the "Lithium-ion Battery Testing Public Service Platform" project, which was submitted by the 18th Institute of China Electronics Technology Group Corporation (CETC) for the 2012 Electron...[Details]
On November 14, the BMW Group's new battery cell technology center was officially opened in Munich, Germany. The new battery cell technology center aims to promote the development of the BMW Group in...[Details]
According to Hubei Daily, recently, 300 shared bicycles equipped with Beidou high-precision navigation and positioning chips were put into scene application testing in Wuhan City, Hubei Province. T...[Details]
Recently, a new report has attracted people's attention. The report ranks global automakers based on their EV efforts to date. The report looks at where current automakers are in the transition from ...[Details]
A deep understanding of these three ARM registers will be of great benefit to programming and operating system porting. 1. Stack pointer r13 (SP): Each exception mode has its own independent r13, w...[Details]
P89C669 is a 51MX (memory extension) core microprocessor from PHILIPS Semiconductor. Its instruction execution speed is twice that of the standard 80C51 device. After the linear address is extended...[Details]
On August 25, the national finals of the 14th National College Students' "NXP" Cup Smart Car Competition, hosted by the Higher Education Automation Professional Teaching Guidance Committee of the Min...[Details]
introduction
With China's reform and opening up, foreign banks have continued to pour into China in recent years, which has had a certain impact on the financial industry market, triggering a ...[Details]
1 Overview
Brushless DC motor is the most commonly used brushless motor. It is easy to drive, has adjustable speed and long working life, and is suitable for various large and small indust...[Details]
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