I encountered a problem. I am using the SerialPort class. After opening the port, the first time I send "AT" the DataReceived event does not trigger. No matter how long I wait, it will only be trigger...
Nowadays, dishwashers have become a must-have appliance in many home kitchens. So how do dishwashers control the water level?
A photoelectric water level sensor is installed in the dishwasher. When th...
This circuit is part of the AGC circuit, and VG1 is the output voltage of the AGC. VF3 is used to adjust the circuit gain to control the size of VG1. Due to my limited ability, I cannot do theoretical...
I use the YL2410 development board s3c2410 of Youlong Company, but I installed the BSP of magic2410 of Zhou Ligong Company because the BSP provided by YL2410 is modified from wince4.2 version, and it ...
I have been learning Gigabit 8B/10B encoding circuit design recently. Since I have no foundation in communications, the basic concepts in the materials I found on the Internet are not very clear. Now ...
Source: Imagination Tech Author: Richard EdgarData rate is also an important consideration. How much data needs to be transmitted between the device and the user's phone, the cloud or a central hub? S...
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]
This paper describes the design method of electronic multifunctional watt-hour meter, the key technology of hardware design and the software design process. Taking NEC's μPD78F0338 microcontroller ...[Details]
Preface
DS18B2 is generally used in conjunction with a single-chip microcomputer, and there are few reports on
the interface between
DSP
and DS18B20. Therefore, this article introdu...[Details]
introduction
Frequency characteristic tester
Also known as sweep frequency meter or frequency response analyzer, it uses a rectangular oscilloscope with internal scale as
a displ...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
The embedded network module series products of Yingchuang Company all have a streamlined ISA expansion bus, which usually includes several address buses, 8-bit data buses, read and write control li...[Details]
1 Introduction
Fieldbus is a serial, digital, multi-point communication data bus between field equipment/instruments installed in the production process area and automatic control devices/syst...[Details]
Embedded System
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