Can the STM32 RTC generate a 4ms alarm interrupt/wakeup? #define RTC_CLOCK (32768) #define RTC_DIV (2) RTC_SetPrescaler(RTC_DIV-1); //Because it is not recommended to be 0 RTC_SetAlarm(((RTC_CLOCK/RTC...
I have seen some electronic keyboard materials posted online, but I don't know the scales, and I don't know how to press a key to make a sound. I need a simple electronic keyboard design, the simplest...
Recently, a cloud printing terminal was newly installed at the entrance of the school dormitory. You can scan the QR code with your mobile phone to pay for printing. After studying it for a while, I f...
[b][color=navy] [size=6] It is already 2013. Some people say that 2013 is a key year for the rapid development of LED lighting in the civilian market. Do you know little about LED lamps? Then I will g...
Yesterday I studied crystal oscillators, and today I studied bit banding. I have found that bit banding can realize the functions of the previous 8-bit machine single operation, and I have not found o...
Calibrators are widely used in university experiments. Among them, there are two experiments in nuclear physics experiments in modern physics experiments (GM counter and β absorption) that require ...[Details]
Although improper medical device product design is not always associated with medical device-related errors. Studies of users have shown that lack of adequate training accounts for 70% to 90% of suc...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
For more than 10 years, analog-to-digital converters (ADCs) have been widely used in industrial process control, medical instruments, communication systems, radar and other products as a booster of in...[Details]
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
1 Introduction
The intelligent meter reading system is a system that reads the data of multiple user meters in a centralized manner through the transmission media by the master station. It...[Details]
Demand Analysis
In an era of rapid information development, the process of electronicization of the financial system has also been greatly accelerated. As a platform that provides services 24 ...[Details]
In the issue of ensuring the safety of drivers and pedestrians, the proportion of electronic technology has increased. According to the survey, 80% to 90% of traffic accidents are caused by driver...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
A correct circuit design cannot be manufactured 100% correctly when it is taken to the factory for manufacturing. It will always be affected by various uncertainties, such as deviations in manufact...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
Multiple Input and Multiple Output (MIMO) technology is arguably the next most important development in wireless communication technology since the advent of digital communications. Many new wir...[Details]
Automatic target recognition (ATR) algorithms usually include algorithms for automatically detecting, tracking, identifying, and selecting attack points for targets. The complexity of the battlefi...[Details]
IntroductionUSB
, serial port, and parallel port are commonly used interfaces for communication between PC and peripherals. However, for images with large data volumes, if the serial RS-232 protoc...[Details]
1 TM Card Introduction
TM (Touch Memory) card is a patented product of Dallas Company in the United States. It uses single-line protocol communication and completes data reading and writin...[Details]