[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...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[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]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
With the widespread application of new services and technologies in the communications industry, the scale and capacity of operators' network construction are getting larger and larger, and the ris...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]