f_mount(0, fs); res = f_open(fdst, "0:3333.txt", FA_CREATE_ALWAYS | FA_WRITE); Here res returns the error code of Assertion failed, res = f_write(fdst, buffer, 512, bw); Here res returns the error cod...
[i=s]This post was last edited by 1nnocent on 2021-5-17 11:25[/i]In school, people often asked what would happen if a resistor was not connected in parallel to the ground at the non-inverting input of...
[backcolor=rgb(238, 238, 238)][font=Tahoma, Helvetica, SimSun, sans-serif][size=12px]Friends who like development boards should hurry up. The board packaging is a bit dusty and old, and the board will...
Keysight Technologies service team will have a close dialogue with you in Wuhan, the center of the electronics industry, to discuss three major issues: how to maintain the long-term accuracy of instru...
Hello everyone!I encountered many problems when debugging FFT. I solved them all before, but the conversion of FFT to amplitude mag is not correct.My calling method is as follows (I just modified the ...
We need to use cc2530 for point-to-point transparent transmission. The upper layer is a one-to-many polling mechanism. Because cc2530 only changes the original wired transmission of the 485 serial por...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[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]
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[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 power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
stm32/stm8
京公网安备 11010802033920号
EEWORLD
