[i=s]This post was last edited by lugl4313820 on 2022-11-5 08:26[/i]【E840-DTU】MQTT——ONENET - RF/Wireless - Electronic Engineering World - Forum (eeworld.com.cn)
【E840-DTU】MQTT sending and receiving te...
Dear experts, I would like to ask you a question. How to display characters and numbers on the LCD of the c6748 development board? Which function should I call?// Display static textGrContextFontSet(g...
The touch screen driver provided by the manufacturer is a cec format file. I added this file to the Catalog, and then added it to the project by Add to OSDesign. (I found that after adding the cec fil...
As soon as the STM32F7 development board came out, Mbed started to support STM32F7. DISCO-F746NG[align=left]The STM32F746G-DISCO discovery board (32F746GDISCOVERY) is a complete demonstration and deve...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:43[/i] [b]Please help me, I want to write a graduation project, I don’t know how to write it, add my QQ 350325692 [/b] [b]I have a rough arti...
My programmer is TOP2005. If I want to use the programmer to write data directly to the 24C02 memory chip, then I change the content of the 00H address of the HEX file to 01H. In this way, can I compl...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[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]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[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]