By chance, I learned about the sample application information in the QQ group. I have been using PIC and DSP before, and I want to try a single-chip microcomputer. It is said that the performance is g...
This is a coincidence. I used to know Kirchhoff's laws, so I never connected two batteries in parallel, always in series! Until one day, I saw a circuit diagram in someone else's article. There were t...
I'm using BQ76940 now. I disconnected the highest level and found that the chip still has power, and the 3.3 of the chip is still there, and the I2C communication is also normal. I would like to ask t...
introductionThe DZW02 220V series rectifier modules developed by our company are widely used in power supply systems. Through full-bridge phase-shift high-frequency conversion and the use of high-qual...
Hello everyone~~ I recently got this product, but many things are still unclear. The current project I want to achieve is: 1. Install four LED lights and flash different lights in turn through the PWM...
I would like to know the relationship between the data written by the microcontroller to the RXFIFO of the cc2420 through the SPI bus and the packets sent out by the cc2420. Thank you!...
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
After more than ten years of technological development and application market cultivation, biometric technology has been applied on a large scale in many application fields. As far as the Chinese m...[Details]
As mobile phones and other portable devices have more functions, there are more potential input and output (I/O) channels for electrostatic discharge (ESD) voltage to enter, including keyboards, bu...[Details]
Facing the global financial tsunami, in order to stimulate the economy, the country will invest 2 trillion yuan in railways during the "Eleventh Five-Year Plan". The large-scale construction of rai...[Details]
0 Introduction
Heart rate is a very important vital information in the human body, and traditional pulse diagnosis, due to its qualitative and subjective nature, affects the accuracy of he...[Details]
As process nodes and die sizes continue to shrink, the number of consumer electronic products using flip-chip packaged IC devices is increasing. However, flip-chip packaging manufacturing rules hav...[Details]
0 Introduction
RFID (Radio Frequency Identification) technology is considered to be one of the top ten technologies with the greatest application potential in the 21st century due to its e...[Details]
background
As a basic device for energy measurement, the energy meter has been long valued by the national power department. The energy meter manufacturers have spared no effort to seek so...[Details]
Modern high-rise buildings are like a small city arranged vertically, with a high concentration of people and complex and diverse functions. There are many combustible materials in the interior dec...[Details]
1 Introduction
In recent years, with the development of power electronics technology, microelectronics technology and large-scale integrated circuits, the improvement of production process...[Details]
0 Introduction
At present, the main task of oil production plants is oil pumping production. The distribution points of oil pumping units are wide and wide. They work in harsh environments...[Details]