I have made a program that can display several .txt files in a folder in a CF card in a view list. Now I want to open any .txt file and display the content in the file. How should I do it? What functi...
[font=微软雅黑][size=4]:pleased:I received a big box today, which is the development kit designated for the SensorTile development competition currently being held on the forum - the first batch of Sensor...
nmgST Sensors & Low Power Wireless Technology Forum
The Cypress Semiconductor CY8CKIT-149 PSoC 4100 S Plus Prototyping Kit is an easy-to-use prototyping platform designed for the PSoC 4100 S Plus device. The PSoC 4100 S Plus device is a programmable em...
Undertake electronic design (single-chip microcomputer) projects (I) PCB LAYOUT (2 layers or 4 layers) Lao Niu undertakes professional copying and drawing boards, with high quality and low price. You ...
My company is engaged in the development of automation equipment. We currently have a test project
The customer product hub USB needs to do some functional testing as follows:
Port A data read speed: ...
Is sdflash an api? The algorithm is immutable, it will erase and write the flash in its entirety. If I just want to do a partial erase, do I need to integrate the API into my program?...
Hardware designers have begun to adopt FPGA technology in high-performance DSP designs because it can provide 10-100 times faster computing than PC-based or microcontroller-based solutions. Previou...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
1. Introduction
With the gradual automation and modernization of industrial control systems, fieldbus control systems have received more and more attention and application. CAN bus is currentl...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
The Third Steel Plant of Jigang Group is a key investment project of Jigang Group during the "15th Five-Year Plan". It has introduced first-class domestic and foreign advanced eq...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
store
To prevent moisture, LEDs should be stored in a dry and ventilated environment with a storage temperature of -40°C to +100°C and a relative humidity below 85%.
The LED should be use...[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]
1 Introduction
Lijia'an Yellow River Diversion Culvert is a large gravity diversion gate in the lower reaches of the Yellow River. The Yellow River Diversion Culvert is located in Lijia'an Vi...[Details]
Synchronous buck designs are becoming increasingly difficult, and the selection of suitable ICs is becoming quite narrow. This Design Idea combines a current-mode PWM IC used in a flyback regulator...[Details]
introduction
Caller ID delivery (CID) is a service provided to the user's phone. The method is that the originating switch transmits the caller number and other information to the terminal swi...[Details]
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1 Normal state
...[Details]
Embedded System
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