Usually in a feedback control system, we give the deviation between the reference and the measured quantity to the PID controller for adjustment, but the PID controller outputs an output quantity of a...
Today I did some ADC external voltage sampling, sampling a single 1.5V Huatai battery. The voltage measured by the multimeter was 1677 mV, and the result measured by LM3S9B92 was 1637 mV. This result ...
I was on a business trip a few days ago. Today, I received a parcel from my colleague. When I opened the package, the small board made me excited. What made me even more happy was a letter to a friend...
[size=4]F206 has three independent storage spaces for program, data and I/O, each of which is 64K×16 bits, of which the on-chip dual-access RAM is 544 words (288 words for data, and the other 256 word...
Since the dynamic mathematical model of the asynchronous motor is a high-order, nonlinear, strongly coupled multivariable system. In the 1970s, Siemens engineer F. Blaschke first proposed the asynchro...
With the development of the Internet of Things, the embedded processing field increasingly needs powerful digital signal processing capabilities. ARM has launched the ARM Cortex-M7 based on the origin...
In order to prevent traffic accidents, when the intelligent detection device of the car detects danger ahead, it must send a warning message to the driver. The voice alarm clearly reminds the drive...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices to achiev...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
1 Introduction
In recent years, with the rapid growth of mobile phones and MP4 video players, it is estimated that the production of mobile phones this year will reach 1 billion units, and...[Details]
Overview
Currently, many portable consumer electronic products, such as mobile phones, PDAs, MP3 players, and notebooks, are equipped with display screens. Although the type and size of the di...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
There are many ways to attenuate signals. The most commonly used method is to divide the voltage using resistors. The common circuits are as follows:
Oscilloscope pre-stage attenuation c...[Details]
Volkswagen's electronic throttle has taken our understanding of the traditional throttle a big step forward. However, while we admire Volkswagen's new technology, which is constantly being applied...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
Application of TWLA500 in ADC and related fields
FAE: On-site technical support. Provide technical support to customers on the application of the products you sell, and handle quality ...[Details]
With a 31-step dimming range, existing LED drivers offer good dimming capabilities, providing smooth backlight boosting or dimming effects for LCD displays. However, when the end application involv...[Details]
LED dot matrix blocks have the advantages of high brightness, uniform light emission, good reliability, and easy assembly, and can form display screens of various sizes. At present, LED display scr...[Details]