When using the FatFs module's f_open() and setting the mode parameter to FA_ALWAYS_CREATE | FA_WRITE, the error FR_WRITE_PROTECTED is returned, but the SD card write protection is not enabled. Please ...
Dear experts, please help me: I am using EP9307+WINCE4.2. NET, and now I want to use TFT screen for display. In the BSP package, I need to set the following parameters. Can any expert help me? What do...
[i=s]This post was last edited by jesse00 on 2019-3-8 13:12[/i] [color=#363636][font="][size=14px]1. Overview[/size][/font][/color] [color=#363636][font="][size=14px] There are three main Zigbee packe...
[i=s]This post was last edited by 1nnocent on 2022-7-17 10:55[/i]The function realized in this experiment is to control 16 LED lamp beads with a 16-bit dip switch.The compiler software used by the Anl...
Timer ( LED flight status light, indicator light flashing)
1. Introduction to TimerThe timer has a timing function, which is similar to the "alarm clock" in life . The timer can be used to generate pr...
When we usually write programs, we may not study too much about whether to use synchronous reset or asynchronous reset, whether to need a reset signal or not (at least this is the case for me). Most o...
introduction
1 The significance of using RTOS on MSP430
It is understandable that it is meaningless to use RTOS on MSP430. Because the hardware resources of MSP430 are limited (for exampl...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[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]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[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]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
introduction
MEMS is a high-tech that has flourished on the basis of integrated circuit production technology and dedicated micro-electromechanical processing methods. Pressure sensors develop...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
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