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?...
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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Embedded System
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