I want some knowledge on amplifying small signals, such as ECG signals, including how to filter and extract ECG signals, and how to remove 50HZ power frequency interference?...
Looking at the constantly shaking waveform on the display, I have a headache. Why is the waveform always shaking? What is the problem? [img=495,166]http://www.eechina.com/image/analog/2015/6444e7326e7...
I configured LIS2MDL according to the magnet calibration example in "an5040-LSM6DSL: Always-On 3D Accelerometer and 3D Gyroscope.pdf" and tried to read three sets of data from the three registers OUT_...
Hello everyone! I'm working on the gprs module to access the Internet recently, but I've encountered some problems. I hope you can help me. I'll be grateful! I'm using the Siemens MC39I GPRS module, u...
How to manage different test results? Summary : In general, if the difference between the test result and the test standard is less than the accuracy of the test instrument, the user must be prompted ...
I use STM8S207K6. It takes 25ms to write 3 bytes of data to EEPROM. During this period, no interrupt can be generated (I have a timer interrupt that happens to occur during this period). Through simul...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
Analog electronics
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