[p=30, null, left][color=rgb(34, 34, 34)][font="][size=4]1. Introduction DC_DC module power supplies are increasingly used in communications, industrial automation, power control, rail transit, mining...
Dear senior experts, I would like to discuss the following two questions with you. 1. Performance management of R&D. There are many problems in the current unit. It is found that many companies are ju...
[i=s]This post was last edited by Uncle Xiaomo on 2022-7-26 09:21[/i]This time I applied for two development board kits, namely " ESP32-S2-Kaluga-1 " and " SIPEED MAIX BIT KIT ".
I'm trying to lose we...
This experiment uses the serial port UART0 inside CH549 and uses timer T2 to generate the baud rate. The data is sent to the PC through the Qinheng USB to serial port module and displayed using the se...
Stage lighting is generally composed of color-changing system, pattern-changing system and spot-cutting system. The color-changing system and pattern-changing system technologies are relatively mature...
In the 1980s and 1990s, a SIM card was inserted into a mobile phone, allowing people to talk to people thousands of miles away. After the millennium, SIM cards were connected to the Internet, and g...[Details]
The detachable oscilloscope probe will disturb the circuit under test during the test. When the probe is removed, the working conditions of the circuit will change. Imagine how a 10PF load from t...[Details]
January 31 - NXP Semiconductors (NASDAQ: NXPI), the world’s largest supplier of automotive semiconductor solutions1 , today announced a new family of secure CAN transceivers that provide a seam...[Details]
According to the Wall Street Journal, after inciting global forces to "strangle" Huawei, the US government has begun planning to launch an attack on China's largest security equipment supplier, Nucte...[Details]
Sitting in front of the reporter from China Business Network is a Japanese scientist named Yoshino Akira, who is thin and polite. He is wearing a light grey shirt, a dark striped tie, and a neatly ta...[Details]
According to a report on the British "New Scientist" website on November 2, French scientists used extremely cold rubidium atoms to create the most sensitive force sensor to date, which can measure o...[Details]
Now I will post all the production processes for novice friends to study.
The main transformer ee55 adopts secondary primary secondary winding method
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In recent days, I need to use stm32 to count external input pulses, and I naturally think of the timer. However, the information I have does not explain how to use the stm32 timer as an external coun...[Details]
I finally got a surveillance project done, the cables were laid, and the front-end cameras were installed. But when I turned on the power, there was no image. Damn, I was so confused. What to do? N...[Details]
The reset function of the PIC16F87X series microcontrollers is well designed. According to the conditions and reasons that cause the internal reset of the microcontroller, the reset system of the PIC...[Details]
Abstract: ISDN, telecommunications, and other systems require a negative current-sense amplifier. This application note describes a method for designing a negative current-sense amplifier. This m...[Details]
0 Introduction
Heart rate is a very important vital information in the human body. However, traditional pulse diagnosis, due to its qualitative and subjective nature, affects the accuracy of heart r...[Details]
1 Basic principles 1.1 IIC bus It should be noted that the upper four bits are the same for the same type of chip. For example, the upper four bits of the AT24C02 chip are fixed to 1010...[Details]
The same defined sequence must be followed for the recording of actual or initial values as well as for the operand lists of the symbol table in the PLC code view.
The following example show...[Details]
Mitsubishi PLC FX3U series is a very popular small PLC with high performance, high reliability, ease of use, etc. In practical applications, remote I/O settings are one of the common requirements.
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Analogue and Mixed Signal
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