[i=s] This post was last edited by xld0932 on 2019-5-11 15:07 [/i] [size=5][b] 1. Design Name [/b] [/size] IoT Entry Example Based on MQTT Message Communication: GD32E231+ESP8266 to Realize Wi-Fi Remo...
Circuit Function and AdvantagesMany applications require the conversion of single-ended analog signals, either bipolar or unipolar, by a high-resolution, differential-input ADC. This dc-coupled circui...
[p=26, null, left][color=#333333][font=Arial]After a few days of tormenting myself with the pitiful shell commands in Android, I finally made up my mind to make a revolution. Let's see how to replace ...
ADE7753 is ADI's latest advanced digital watt-hour meter chip, which is a high-precision active and apparent energy metering integrated circuit with serial interface and pulse output. It integrates se...
Can RIL be used to control the phone to select CDMA 1X EVDO network or GSM network? If the CDMA 3G network is selected, do I still need to use ConnMgr API to connect to the network? How to perform mul...
Today's portable medical devices allow patients to diagnose and treat themselves, move around freely, and even use the devices when they are out and about. To achieve the "easy to carry" feature, po...[Details]
Obtaining real-time and reliable traffic information has always been a bottleneck problem in the development of intelligent transportation systems. The establishment of an intelligent transportatio...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
Wireless personal area networks (or WPANs) are particularly useful for sensing, monitoring, and control applications. Cost-effective WPANs have the unique potential to implement wireless connectivi...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
Combined with Samsung's ARM9 series embedded processor S3C2410, this paper explains how to perform modular programming of LCD driver and how to statically load the driver into the system kernel.
...[Details]
1. Introduction
Rolling bearings are the most widely used general mechanical components in various rotating machines. Whether their operating status is normal often directly affects the perfo...[Details]
1. Basic circuit characteristics of power amplifier
The basic circuit of the complementary symmetrical OTL power amplifier is shown in Figure ①. Among them: C1 is the signal input coupling ele...[Details]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
Introduction
As a kind of biometric identification, fingerprint recognition has incomparable advantages in identity recognition over other means: human fingerprints are unique and stable; wit...[Details]
The discipline of HHCE (Home Health Care Engineering) is gradually entering people's lives as people pay more attention to health and telemedicine develops. It advocates the concept of "seeking m...[Details]
In the WTK22wtklibdevicesDefaultColorPhoneDefaultColorPhone.properties file in the WTK directory, there is a line touch_screen=false. Change it to true.
MIDP2.0 has three touch screen methods:...[Details]
In today's era of pursuit of enjoyment, car drivers have higher and higher requirements for car audio. BMW and Mercedes-Benz, the world's automotive trend leaders, have recently put forward new requir...[Details]
GD32 MCU
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