[i=s]This post was last edited by lb8820265 on 2016-3-19 14:37[/i] [align=left] [size=3] I have designed the board during this period. The board is very small, only 5.5cm×6.5cm. The project files are ...
[i=s]This post was last edited by mzb2012 on 2017-10-6 20:54[/i] [b][size=6]Human infrared sensor LED light[/size][/b] [b][size=5]1. Background[/size][/b] [size=4]When I have a baby at home, I sometim...
I want to use the button as an external interrupt, turn on the timer through the interrupt service routine, use the timer TIM1 to update the interrupt, and turn off the timer interrupt when the extern...
Moderator, I have a question:I use ST-LINK to debug the chip online. After the program is burned into the MCU once, when I connect again, the MCU and ST-LINK cannot connect! It has been unable to conn...
I would like to ask the experts, is there a good method for ARM7 to move each data in the array by one position and connect the 0th position of the second one to the 7th position of the first one, and...
" Aite " is not just for boys. There are also a group of " Aite " girls active in the circle . Like IT boys, IT girls have to face all kinds of overtime, frustration and hardship every day! They don't...
introduction
my country has a vast territory and a large population. The scale of housing construction is huge, and the amount of residential construction is large and wide. It is still on t...[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]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[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]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[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]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
DIY/Open Source Hardware
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