I did not design the ID line when designing the hardware. I only need the STM32F107 to work in device mode. How can I force the STM32F107 to work in device mode, that is, to pull up DP after detecting...
I want to use DCO_Library.h and DCO_Library.s43 to generate a standard clock signal through DCO. According to DC0_ Library.h, it can generate a standard 1MHz or 2MHz clock signal. But when I use it, I...
I just became a junior this year. Looking back on the days when I first entered the campus, I can't help but sigh that time flies. I didn't perform well in the college entrance examination and came to...
I got the cerebot 32mx4 board half a month ago, but I don't know how to use it. What should I do? I can't compile or burn an official LED demo. I'm so anxious:~o I'm using mplab x ide v3.35...
Modify the previous 3*1W circuit board; Do I need to slot the input end of the rectifier bridge (how wide?); A professional engineer said no; The bridge rectifier itself has passed the safety regulati...
Trivia 1: Cost Savings Phenomenon 1: It doesn’t matter what value these pull-up/pull-down resistors use, just choose an integer of 5K Comment: There is no 5K resistance value on the market, the closes...
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
In June 2014, the Ministry of Industry and Information Technology issued 4G FD-LTE licenses to China Unicom and China Telecom. Together with the 4G TD-LTE licenses issued to China Mobile, China Uni...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
1. Multi-channel DAC technology bottleneck
Currently,
the development of multi-channel DAC technology focuses on two core challenges.
First, industrial applications urgently ...[Details]
Compared to cloud databases, minicomputers are purpose-built for decentralized, rugged computing at the edge of the network. By moving applications, analytics, and processing services closer to the...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
Shenzhen Baowei Power Supply high frequency pure sine wave power, communication inverter power supply has two communication interfaces, RS232 and R485 interfaces, their functions and characteristic...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
For new energy vehicles, the importance of batteries is unquestionable. Not only does it determine the performance of the vehicle, but the battery density also has a great relationship with the veh...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
Analog Devices held a third-quarter fiscal 2025 earnings conference call. Vincent T. Roche, CEO and Chairman of the Board, and Richard C. Puccio, Executive Vice President and Chief Financial Office...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]