Feedback: It can be described as sending part or all of the output (voltage or current) of the amplifier circuit back to the input of the amplifier circuit in a certain way. We sometimes call the ampl...
How can a task in uCOS wait for multiple events at the same time? I currently implement it like this and can only wait for one event: void task_ui(void * pdata) { INT8U err; TRACE(("task_ui()")); evt_...
Recently I saw the a8 chip of the am335x series because of its particularly advantageous price. The price of arm9 can buy the performance of cortex-a8, so I want to ask if I can directly learn this ch...
I want to use F7 to generate a function signal source. I checked the manual and found PA4 and PA5 outputs. Then, there is nothing else: if PA4 is used, the label is DCMI_HSYNC. A 30P FPC line is requi...
Recently, a group of photos have attracted widespread attention. One of them was taken by my country's "Maritime Silk Road No. 1" satellite, and the other was taken by a foreign satellite. The foreign...
I stopped halfway through, so this is a half-finished useless thing. I'm posting it for reference. Please don't use it for commercial purposes, otherwise you will be at your own risk. http://download....
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
SinoWise's SH66xx series 4-bit microcontrollers have the characteristics of fast speed, low power consumption, simple structure, easy to use, and high cost performance. They are widely used in remo...[Details]
1 Overview
Drugs are like a "double-edged sword". They can treat diseases but can also cause serious adverse consequences. The dual nature of drugs depends on whether they are used rationally....[Details]
The latest C language tools allow you to quickly complete the design of algorithm-intensive applications even if you are not proficient in hardware development.
Hardware designers have b...[Details]
Microelectromechanical systems (MEMS) are gradually entering the consumer, industrial, medical, automotive and computer application markets. Moreover, we cannot ignore their steady progress in the ins...[Details]
1 Overview
The BP01 pressure sensor is specially designed for monitoring blood pressure and is mainly used in portable electronic sphygmomanometers. It uses a precision thick-film ceramic chip and...[Details]
Engineers who are new to wireless design and wireless product development need to master the basics of
RF measurement
. In many cases, this process is to enable engineers who have been engag...[Details]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
From the moment AVS video was born, scientists and engineers have been working tirelessly to reduce the size of audio and video bitstreams. Various advanced video compression algorithms have emerge...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through hig...[Details]
With the rapid development of network technology and information communication, network economy and knowledge economy are no longer the exclusive domains of IT and other high-tech industries. The i...[Details]
Analogue and Mixed Signal
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