Question to 91program: After I downloaded the CVOImage class you uploaded from eeworld, I found that the PNG image was displayed, but the background of the PNG was white, not transparent. Is this due ...
[backcolor=white][color=#000000]1. Preface[/color][/backcolor] [backcolor=white][color=#000000] I have made a data transmission between two DSPs, C5509A and C6748, which are transmitted via RF24L01 de...
I have written programs for two STM32 chips, STM32F107 and STM32F207, but I always feel uncomfortable with the Flash. I just want to say this, and if you happen to see it, and if you happen to have ti...
I am learning about power tool circuit design. I saw a circuit board in the battery pack of an electric drill, which contained 12 MOS tubes of the same model . I don’t understand why so many MOS tubes...
I bought an LPC2131 ARM board and the following situation always occurs. I use JLink, so I can't burn the code afterwards. I can only re-encode after burning with J-Tag? The burning method I use is de...
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]
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]
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
Introduction to the principles of speech recognition technology
Automatic speech recognition (ASR) technology aims to enable computers to understand human speech and extract the textual inform...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[Details]
Amidst the wave of intelligent automotive transformation, advanced driver assistance is gradually emerging from cutting-edge technology into the mainstream, becoming a new frontier of industry comp...[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]
Charging is a familiar process for new energy vehicles, and as a source of battery energy, charging piles are crucial. New energy vehicle charging can be divided into fast charging and slow chargin...[Details]
During daily operation of an R-type power transformer, the voltage used varies as the equipment being used adjusts. This raises the question: can the transformer change voltage at this point? The a...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
We often hear about the precautions for using pure electric vehicles in winter, and many owners even develop relevant strategies, such as adopting a "charge as you go" principle for their vehicles,...[Details]
Electric vehicles are composed of three main components: electric motors, electric motors, and electric vehicles. Maintenance is much simpler than for gasoline-powered vehicles. Maintenance for ele...[Details]
Common Mode Semiconductor has officially launched the GM6503 series—a 5 V, 3 A synchronous step-down DC/DC power module designed for optical communications, servers, industrial applications, and FP...[Details]