This is my first time to use ARM. I have been watching videos for half a month. I have a 44b0 development board, so I tried it out. There are 4 buttons: ExINT4 (GPG4), ExINT5 (GPG5), ExINT6 (GPG6); 3 ...
I use the stm32f103c8t6 chip, the system clock is set to 56MHz, and the AD sampling rate is 1us. Now there is a program that runs in memory as 192bits. I want to calculate the running time of this pro...
I am a beginner in single-chip microcomputer. Recently, I have a course design that uses GPRS module to receive text messages and then alarm. Because I don't have any basic knowledge, it took me a lot...
Wanted: A batch of 450K ultrasonic transducers, with excitation power of 24W or above. Please recommend them to me. Contact number: 130844439421, Ms. Yang....
The program I am writing now has two loops, and the specific relationship is as follows: | |------| |------| | | | | | |-------| | | | | | | | | |------| | | The two loop bodies are not simply contain...
[align=left][font="][size=15.0pt]Measure the operating current of NUCLEO-L4R5ZI[/size][/font][/align][align=left][font="][size=15.0pt]Before measuring, first understand the power supply circuit of NUC...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[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]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[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]
In public places such as schools, government agencies, factories and mines, as well as public corridors in residential areas, the phenomenon of long-burning lights is very common, which causes a h...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[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]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Since the late 1990s, with the demand for higher system efficiency and lower power consumption, the technological update of telecommunications and data communication equipment has promoted the deve...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]
Our flight had just begun to descend when a gentleman sitting next to me turned to talk to me about engineering—he had seen me reading an engineering journal. The gentleman next to me said that he ...[Details]