Author: Hardy Zhou
In terms of motor sensorless control algorithm, TI provides eSMO sliding mode observer to calculate the motor rotor angle. In terms of application, TI provides eSMO lib file and rel...
MOS tube gate drive circuit
question
1. Why can the existence of Q2 accelerate the discharge of Q gate input capacitance?
2. What is the function of D1? Is it to accelerate the conduction of Q?...
"Data Structures in Embedded System Software Design" starts from the actual hardware environment of embedded systems, uses easy-to-understand language instead of boring and difficult theoretical expla...
When I met a netizen who asked me to recommend a domestic DSP, my mind went blank. I only remembered that my former editorial colleague mentioned a RISC-V DSP.
At that time, we asked the engineer to e...
It's still a boost problem. The unit price of lithium battery 4.2V is boosted to 50VMicrochip's MCP1651 and 1665 seem to be able to achieve this (external MOS, frequency reaches 750K), but they are ou...
After being included in the new infrastructure sector, the development of the Internet of Things industry has once again ushered in good news. On May 7, the Ministry of Industry and Information Tec...[Details]
Mobile digital broadcast television (DTV) combines two of the best-selling consumer products of all time: television and mobile phones. Television is expected to be the primary driver of demand for t...[Details]
1 Introduction Virtual medical instruments make full use of the rich software and hardware resources of computers. Only a small number of special software and hardware modules are added to real...[Details]
At present, embedded technology has been widely used in various market products such as industrial control, consumer electronics, and communication systems. And with the increasing development of t...[Details]
Samsung will launch the Galaxy S21 series flagship new phone next month, but before that the new phone must obtain the certification required in multiple markets. The latest certification comes...[Details]
This is a 1W stereo audio amplifier of LM386N. The output power of each channel is 1 watt, so two ICs of LM386N National Semiconductor should be used for stereo channels. This circuit only needs 10...[Details]
1. Hardware Solution This design uses a raindrop sensor to sense the amount of rainfall, sends the sensing signal to the microcontroller system, and then uses software to control the wiper motor to m...[Details]
How Solar Cells Work
Solar energy is an inexhaustible renewable energy source for human beings. It is also a clean energy source that does not cause any environmental pollution. Among th...[Details]
Add nand.o to the Makefile, and then create a new nand.c to implement the read operation of NandFlash.
There are two ways to read NandFlash:
Read by page (need to provide page addres...[Details]
The Industrial 4.0 revolution sweeping the world is affecting almost every industry, including supply chain management in various industries. In the past, supply chain management was a headache for...[Details]
0Introduction
Capacitive sensors are a type of sensor that converts the measured non-electrical quantity changes into capacitance changes. Due to its advantages of high sensitivity, low po...[Details]
Working principle of frequency converter
The prerequisite for the inverter to provide stable voltage and current to the load is to rectify the unstable AC power of the power grid into DC power...[Details]
On the surface, the plan to mandate AEB systems is a good idea. But if NHTSA's proposal is to have an impact, it must get ahead of the industry it hopes to shape. To understand whether the standard...[Details]
1 Introduction
With the continuous improvement of the requirements of the defense industry for precision-guided weapons, the increasing complexity of the overall design of weapon systems, ...[Details]
Many people seem to have a misunderstanding about electric vehicles, that is, they believe that the longer the battery life, the better. With the continuous efforts of major manufacturers, the batter...[Details]