I am learning Windows driver development and wrote a HelloDDK. There is a piece of code in the header file as follows: #ifdef __cplusplus extern "C" { #endif #include
#ifdef __cplusplus } #endif But t...
Abstract: Magnetic powder core has a higher saturation flux density and better DC bias dynamic linearity. When used to make APFC inductors, the effect of reducing core loss can be achieved by properly...
I need help with the MSP430F149 driver ultrasonic module program. It does not work properly. #include
#define RISE 1 #define FALL 0 #define CPU_F ((double)8000000) #define delay_us(x) __delay_cycles((...
I encountered the following problem when debugging UCD3138 interleaved PFC: The waveform is shown in the figure below, where CH3 is the AC input current, CH4 is the DS waveform of one phase driver tub...
[i=s]This post was last edited by bioger on 2018-4-23 17:10[/i] [size=14px]I am using AD to design recently. I am designing some differential signals and found that in the rules, I can only design the...
[size=4]Antennas are widely used in EMC and RF testing and measurement. Commonly used antennas are as follows:[/size] [size=4] [/size] [size=4]1. Biconical antenna:[/size] [size=4] [/size] [size=4]Com...
On August 23rd, Geely's subsidiary, Jiyao Tongxing, announced it has the industry's largest advanced production capacity for tandao
batteries
, with eight production bases across China. Jiy...[Details]
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
When you are happily watching NBA or football, your wife asks you to turn off the lights in the bedroom. Would you be depressed? Of course, unless you are not afraid of your wife.
Now you are ...[Details]
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[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]
The most significant feature of IPS panels is that both electrodes are located on the same surface, unlike other LCD panels, which have electrodes arranged on top and bottom surfaces in a three-dim...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
Reflow soldering is one of the most commonly used methods in electronics manufacturing, allowing for the soldering of large numbers of components in a relatively short time. However, any experience...[Details]
Consumer demand for premium listening experiences has driven rapid evolution in the wireless headphone market in recent years. Hybrid designs, which utilize two drivers per earbud to enhance sound ...[Details]
"I want to ask why there are so many manufacturers making mobile phone CPUs, but only Intel and AMD make computer CPUs?"
The progress of domestic PC CPU production has disappointed many ...[Details]
introduction
Inverter air conditioners are a trend in the current era and have gradually become commonplace in countless households. Beyond their basic cooling and heating functions, air condi...[Details]
The fracture mechanism is stress concentration, which typically occurs at the capacitor lead pins or pad connection points, as shown in the figure. Under vibration, the capacitor lead pins and pad ...[Details]