1. Hardware introduction of functional modules
PWM is the abbreviation of Pulse Width Modulation, which means pulse width modulation in Chinese. It realizes dimming, frequency modulation and other fun...
Reprinted from: deyisupport [align=left]Portable devices such as mobile phones and tablets are able to charge faster than ever before. To achieve fast charging times, the voltage on the charging devic...
Stream driver, using the example on the Microsoft website, under VS2005, unresolved external symbol CommandBar_InsertMenubar referenced in function "long __cdecl What is the reason?...
I grabbed the IIC data and logic diagram of my own product and the IIC data and logic diagram of the reference prototype. I found that my product is writing and reading, writing and reading... while t...
Texas Instruments (TI) has announced three new 36 V single, dual and quad operational amplifier families with industrial precision. The OPAx140 JFET-input operational amplifier family features rail-to...
The simplified main program is as follows#include "stm32f10x_lib.h"
#include "USART.h" ErrorStatus HSEStartUpStatus; u8 Rxdata2[]; vu8 Rxnbr2; GPIO_InitTypeDef GPIO_InitStructure; void GPIO_Configurat...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]