The matrix keyboard inputs a four-digit decimal number x, and through a formula (such as y=0.2x), the four-digit decimal number y is input on the digital tube. Is it feasible? Is the workload too larg...
I just wanted to do a card swiping test, so I started using GD
I bought the cheap RC522 from the Internet. RST is connected to PB0, SDA is connected to PB12, SCK is connected to PB13, MISO is connecte...
In December 2009, I reviewed TI's millimeter-wave radar EVM board: AWR1443; I had a partial understanding and a more intuitive understanding of TI's millimeter-wave radar;
This month, I bought another...
[size=4]Learn I/O first. I/O operation is the most basic, and these registers must be firmly mastered. The difficulty of MSP430 is that it has a large number of registers that need to be set. Although...
[align=left][color=rgb(51, 51, 51)]When drawing PCB, we need to consider several issues clearly[/color][/align][list] [*][align=left]Single-layer board or double-layer board? [/align] [*][align=left]I...
Many industries need to ensure normal power supply under any circumstances, and here we need UPS power supply system. UPS power supply is an important equipment to ensure stable and continuous po...[Details]
According to the Super Smart City Report released by Deloitte last year, there are more than 1,000 smart cities that have been launched or are under construction around the world, and more than 500 a...[Details]
I didn't know that each bank of S3C2440 needs to set the bit width before using it, and I didn't know why. Today I understand. Before using the bank, how many bits should be set for each peripheral co...[Details]
As of 2019, Midea has sold more than 70 million smart home appliances worldwide, and more than 40 million users use Midea's smart home appliances and smart life services. In the era of the Internet...[Details]
Xingda Easy Control MPI to Ethernet Module MPI-ETH-XD1.0 connects to Siemens S7-300
Connect via NI OPC Servers
(1) Edit OPC
1. Open the NI OPC Servers software.
2. Create a n...[Details]
1. What are ABI and EABI 1. ABI ABI (Application Binary Interface (ABI) for the ARM Architecture) describes the low-level interface between an application (or other type) and the operating system or ...[Details]
Visible light emitting diodes ( LEDs ) are characterized by high efficiency and long life. They are now widely used. Manufacturers have developed new devices with higher luminous flux, longer lif...[Details]
Compared with the two-stage method, the one-stage object detection algorithm is more popular in the industry. The one-stage model can currently be divided into two categories: anchor-based and anch...[Details]
SOUTHFIELD, Mich.--(BUSINESS WIRE)--Power management company Eaton announced today that its eMobility business has been awarded a contract to supply a global automaker with power distribution units (...[Details]
Today I tried to communicate with two serial ports on a single PC. Before the experiment, I needed a virtual serial port driver software, and I could also use a serial port debugging assistant ...[Details]
All light vehicles produced in 1996 and later must adopt the second generation on-board diagnostic system (OBDⅡI) standard. The main purpose of OBDII is to reduce emission pollution, while the main...[Details]
According to Jiemian News, it was learned from CATL today that the CATL Future Energy Technology R&D and Industrialization Base project was included in the white list of major projects to resume work...[Details]
How Battery Circuits Work
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as...[Details]
FPGA/CPLD
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