How to determine the resistance and capacitance of the active filter? I only know the upper and lower cut-off frequencies of the filter. How to determine the resistance and capacitance? It would be be...
STM32 USART2 sends a total of 3 characters {0x55, 0x55, 0x55}, but the first character received by the serial port debugging assistant is always 00, and then two 0x55 are displayed. Please help me fin...
Smart home networks are emerging, and so are the new applications that support them. Smart lighting systems are a particularly promising use case. This blog post will share tips for developers on how ...
The full name of standing wave ratio is voltage standing wave ratio, also known as VSWR and SWR, which is the abbreviation of Voltage Standing Wave Ratio in English. It refers to the ratio of the stan...
Author: Joshua Zhu, ST engineer
Click to download the pdf document to view:Keywords: local_name, device_name Chinese nameQuestion: Customers often ask how to broadcast a Bluetooth name in Chinese
ST e...
I am a newbie to AVR. I am learning the serial port 0 of mega64 under avr studio 6.0. The baud rate has been configured to 9600. The sending function has been debugged successfully. Now I cannot debug...
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[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]
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]
On August 21, it was reported that Intel's new generation of AI chip Jaguar Shores was recently exposed for the first time.
According to photos shared by Andreas Schilling, the Jaguar Shores t...[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]
Silicon Labs (also known as "Silicon Labs"), an innovative leader in low-power wireless connectivity, will showcase its cutting-edge artificial intelligence (AI) and Internet of Things (IoT) solu...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
Using an electronic load is like thinking of it as a resistor that dissipates the power supply's output. The most straightforward mode is the CR constant resistance mode. In this mode, by setting a...[Details]
Most electric vehicles currently lack a gearbox, only a single-speed reduction gearbox. This includes Teslas, but that doesn't mean electric vehicles don't need a gearbox. Thanks to the constant to...[Details]
The basic structure of the power grid dispatching automation system includes three parts: control center, master station system, plant terminal (RTU) and information channel. According to the diffe...[Details]
Silicon carbide (SiC) power switching devices are becoming a popular choice for industrial battery applications due to their ability to achieve faster switching speeds and superior low-loss operati...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
When installing circuits, we all hope to have a safe and protective electrical appliance. Circuit breakers and circuit breakers are such a thing. As we all know, a circuit breaker is an elect...[Details]
introduction
The Internet of Things (IoT) will improve nearly every aspect of modern life. By collecting and analyzing vast amounts of data, it can help us manage our health, reduce energy con...[Details]
From January to July, my country's power battery exports increased by 29.4% year-on-year. BYD, Honeycomb Energy, and Ruipu Lanjun exceeded the average growth rate. Among them, Honeycomb Energy and ...[Details]
Analog electronics
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