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...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[Details]
While
the solid-state battery
industry is still engaged in a long technological marathon for
the "ultimate solution" for
electric vehicles
, some companies have begun looking for mor...[Details]
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[Details]
EtherCAT (Ethernet for Control Automation Technology) is a real-time industrial fieldbus communication protocol based on an Ethernet-based development framework. EtherCAT is one of the fastest indu...[Details]
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
With the rapid development of technology, automotive intelligence is increasing at an unprecedented rate. This not only enhances vehicle functionality and comfort, but also places higher deman...[Details]
Today's security industry has entered the era of massive networking. Many enterprises, especially financial institutions, have established multi-level video surveillance networking platforms. Lever...[Details]
1. Introduction
Electronic scales are gradually replacing traditional measuring tools like springs and balances in everyday life, such as electronic price computing scales and electronic weigh...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
The automotive industry in 2025 is undergoing a thorough intelligent reshuffle.
Geely wants to make changes in the field of AI cockpits: in the future, there will be no traditional smart...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
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