[i=s]This post was last edited by elec32156 on 2020-8-7 21:15[/i]The ADC port of the STC8A8K64S4A12 chip is used to collect the voltage of the linear Hall. The default output voltage of the Hall is ab...
1. Memory protection issues when the CPU accesses external memory (DDR3 or MSM);
2. Memory protection issues when peripherals (such as SRIO, QM, FFTC, etc.) access external memory;
3. The memory prote...
Synopsys is the world's number one electronic design automation (EDA) solutions provider, the world's number one chip interface IP supplier, and a global leader in information security and software qu...
Control onboardThree-axis accelerometer MSA300, measurement range: ±2G This content is originally created by eagler8, a user of EEWORLD forum. If you want to reprint or use it for commercial purposes,...
1. Instrument model: CXN2000-6KVA2. Fault description: After power-on, the output overvoltage and output undervoltage lights are both on, accompanied by a beeping sound, and the output cannot be norma...
The following is a constant current circuit diagram of a charging circuit. During debugging, it was found that the 5th pin of the dual op amp IC could not be stabilized. After disconnecting R35, it be...
Recently, media reported that US President Trump signed an executive order on the 6th, stating that the mobile applications TikTok and WeChat pose a threat to US national security, and will ban any U...[Details]
Now, the switch tubes in the fields of home appliances, lighting, automotive electronics, etc. are all replaced by high-performance MOS tubes to replace the high-power transistors in the past, which ...[Details]
On September 22, Gasgoo learned that Cambrian Xingge (hereinafter referred to as Xingge) has received investment from Bosch Venture Capital Co., Ltd. (hereinafter referred to as Bosch Venture Capital...[Details]
This is a microcontroller electronic clock/timer learning board designed by us. It uses a 6-digit LED digital tube to display hours, minutes, and seconds in 24-hour timing. Functions such as hour and...[Details]
In measuring some CATV system indicators, spectrum analyzers are often used. In order to make the measurement results accurate, the use of spectrum analyzers often involves the problem of setting the ...[Details]
According to Tech Planet, an insider revealed that Feng Yufei, vice president of vivo and head of iQOO, has resigned. Feng Yufei’s Weibo ID is “Cool Guest Feng Yufei”. Currently, the “iQOO B...[Details]
LED display unit board:
A. The whole board is not lit
1. Check whether the power supply and signal line are connected.
2. Check whether the test card can identify the interface. If the red...[Details]
The cheers of the people, the attention of hundreds of millions of people, and the strength of the motherland behind them were pushed into the spotlight with Meng Wanzhou's return to China. When Me...[Details]
As the main solution processor provider for handheld devices such as GPS, PDA, and digital TV, South Korea's Sumsung Company has recently launched new ARM processor S3C2450 and S3C6410 chips. What ar...[Details]
The MAX5974_ is a wide-input voltage range, active-clamp, current-mode PWM controller that provides forward conversion for powered devices (PDs) in Power over Ethernet (PoE). The MAX5974A/MAX5974C are...[Details]
In modern medicine, there are many ways to check the body. For example, heart rate and blood pressure are used to assess heart function, and blood tests are used to measure iron levels to diagnose an...[Details]
74 Series
Logic Devices
Although they have been facing fierce competition from programmable devices and system-level chips for more than 40 years, they still have a certain market demand....[Details]
This Design Idea uses the large operating voltage range of an octal CMOS buffer to present a simple eight-bit two-quadrant multiplying digital-to-analog converter (DAC) consisting of the buffer/line ...[Details]
The basic concept of pointers in PICC is not much different from the standard C syntax. However, in the specific architecture of PIC microcontroller, there are still a few points that need special at...[Details]
Hand soldering and rework are process steps that require excellent operator skills and good tooling; an inexperienced operator can create reliability nightmares. When equipped with adequate tools and...[Details]
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