I am a novice learning to make wireless transceiver modules. I only have TX-2B and RX-2B chips. After checking the typical circuit in the data sheet, I found that there is a place I don’t understand. ...
[i=s]This post was last edited by zhanghuichun on 2014-11-26 20:41[/i] Because we need to use the remote positioning function, we need an API that can convert the GPS information coordinates returned ...
I was trying to find his electronic watt-hour meter, so I found one and disassembled it. The chip used inside is ADE7755. Here is its manual [url]http://www.analog.com/static/imported-files/data_sheet...
[b]Contents:[/b] Chapter 1 Mathematical Foundations of Ray Theory Chapter 2 Physical Foundations of Electromagnetic Ray Theory Chapter 3 Theory of Geometric Optics Chapter 4 Theory of Geometric Diffra...
I made a board myself, and downloaded the example program enet_lwip. I could open a web page, but since the board's IP is automatically obtained by DHCP by default, how can I know what the IP is? I op...
There is a bug in eVC: When you use the GetDC method and ReleaseDC method of the CWnd class version, there is a memory leak. If you install the SP4 patch, will this problem be fixed? See Microsoft's i...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[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]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[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]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[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]
1 Introduction
Automatic Test
System The ATS (Automatic Test System) integrates all the stimulus and measurement equipment required for testing.
The computer
efficiently comp...[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]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
RF/Wirelessly
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