[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...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]