The director and the section chief were riding in the elevator together. The director farted and said to the section chief: You farted! The section chief said: It wasn't me. Soon the section chief was...
We only know that the optical attenuation is 1dB and the electrical attenuation is 2dB. But why is there such a quantitative relationship? ? ? :time:...
EVM: Error vector magnitudevector errorEVM is one of the most important indicators in the field of digital communication. It is affected by the following 7 aspects.1. IQ branch gain imbalance. Assume ...
I seldom asked about my classmates' salaries, but I couldn't avoid other classmates asking me. My salary is very low, and it's still not over 10,000 after working for 4 years. I was too embarrassed to...
The CC2640R2F device provides a fully certified leading edge Bluetooth 5 protocol stack supporting high-speed mode for single-mode Bluetooth low energy applications. The CC2640R2F is part of the Simpl...
Recently, Nezha Automobile announced the future development planning nodes of its NETA PILOT intelligent driving system and the corresponding model plans equipped with the system. From the planning...[Details]
This DC/DC conversion switching power supply uses a TOP249Y, with an input of 250V~380V DC voltage, an output of 48V, 5.2A (250W), and a power efficiency of up to 84%. The circuit is shown in the fig...[Details]
In this example, P2.0 and P2.1 of MSP430fr6989 are selected as serial ports UCA0TXD and UCA0RXD; (There is not much code, mainly for register operations, and it is written in the main.c file in a hur...[Details]
OB1: Main program; OB100: Initialization program (no need to call the main program); OB35: 100ms (modifiable) interrupt (no need to call the main program), can call the PID module; OB80, OB82, OB85...[Details]
You may have designed your optical sensing wearable device to accommodate different use cases. Chances are, you already have a way to adjust the current built into your design, as the device perfor...[Details]
Sometimes I receive inquiries from some friends: Can I learn microcontroller with zero foundation? This sentence sounds quite funny. Who hasn’t started learning from scratch? This is not like the ric...[Details]
The RTC of STM32 is just a 32-bit counter, without information such as year, month, day, and week, which is far inferior to the dedicated RTC chip. To realize the time and date function, you need to i...[Details]
The basic principle of solar power is: the collected light energy is converted into electrical energy and stored, and the stored electrical energy is released when the load is turned on. A typical ...[Details]
Planetary reducer is a mechanical transmission component that connects the servo motor and the applied load in the motion control system. It has the advantages of high reduction ratio, good transmi...[Details]
The WO2 nanomaterials were prepared by the sol-gel method before and after the improvement, and made into direct-heated spherical gas sensors to test low-concentration NO2 gas. The results show tha...[Details]
1. Determine the tasks Developing a single-chip minimum system 2. Task Analysis: The system has the following functions: (1) It has a 2-digit LED digital tube display function. (2) It has e...[Details]
ISP: in system programming, IAP: in application programming But what are the differences in their operation methods, results and applications? ISP: Use a writer to burn the code in. However, ...[Details]
During the aircraft design process, designers must envision the aircraft's purpose in advance to predict the static and fatigue loads the aircraft will be subjected to. For military aircraft, they ...[Details]
Few people know about the interaction between nerves, arm and sensor systems when the arm picks up a ball. In order to simulate this natural reaction process, the system can be constructed by micro...[Details]
According to foreign media reports, an international research team led by chemists from the University of Glasgow in the UK and battery testing experts from the Helmholtz Institute Ulm in Germany h...[Details]
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