[b]Program function[/b][list=1] [*]Enumerate the STM32 USB as a HID device. [*]STM32 uses 3 endpoints, endpoint 0 is used for enumeration, endpoints 1 and 2 are used for data transmission and receptio...
Ultra-low resistivity, extremely fast electron migration speed - graphene, which can effectively conduct electron spin, has made the scientific community generally look forward to: a new round of elec...
Is there any group for drawing PCB, or QQ for drawing PCB, which is for experts? I am a novice and have just started to design PCB. I may encounter some problems in the learning process. I want to add...
When synchronizing with ActiveSync, I cannot connect the PC with USB. When I insert the USB, the PC prompts that new hardware is found and the hardware can be used, which means that there is no proble...
[i=s]This post was last edited by the Second Battalion Commander of the Independent Regiment on 2020-3-25 07:54[/i]After finishing, I found that the filter capacitor was missing after the rectifier br...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
The U.S. Food and Drug Administration (FDA) points out that home health care is the fastest growing area in the medical device industry. Driven by the increase in average life expectancy, the increasi...[Details]
Ultrasound systems are among the most sophisticated and complex signal processing instruments in widespread use today. Like any complex instrument, there are many trade-offs to be made in implement...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
Ultrasonic tooth cleaning machines have been widely used in the medical field. Most ultrasonic tooth cleaning machines used at home and abroad now use analog oscillation circuits. There are the follow...[Details]
The overcurrent and overheating coordinated protection technology implemented by polymer positive temperature coefficient devices (PPTC) can protect motors, controllers and electronic components in...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[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]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its exc...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
Abstract
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[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]