The serial dot matrix module is a dot matrix display module with MAX7219 as the control chip. In the case of single-stage use, one MAX7219 can control an 8*8 dot matrix display block. If the cascade m...
Expansion boardThe current test results are as follows:
The two-wire measurement system is used, which results in large line resistance and inaccurate measurement of small resistances.
So the next ste...
The DSP I use is 2812. There is a flashing program in the DSP. Now there is a problem. After power on, the DSP cannot work properly and the light does not flash. It must be reset manually. The reset c...
After about 3 months of hard work, the engraving machine was finally finished. I spent some time to calculate the cost of the engraving machine for reference for those who want to make an engraving ma...
Wear gloves to touch, for real cool! Cypress TrueTouch Gen4 touch screen controller : https://training.eeworld.com.cn/course/1997Glove-touch, for real cool! -- Cypress TrueTouch? Gen4 touchscreen cont...
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]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
As microcontrollers become less expensive and more powerful, electrical designers are finding it more cost-effective to use multiple small controllers in both single-board and multi-board systems. ...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
Fetal monitoring is an important means to ensure the safety of perinatal mothers and fetuses and achieve eugenics. Intelligent fetal monitoring is a monitoring method that analyzes the health stat...[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]
1. Introduction
Rolling bearings are the most widely used general mechanical components in various rotating machines. Whether their operating status is normal often directly affects the perfo...[Details]
l Introduction
Traditional human-computer communication is achieved through keyboard or mouse. The speed of information exchange is relatively slow, and the operator is required to have certain...[Details]
Introduction
As a kind of biometric identification, fingerprint recognition has incomparable advantages in identity recognition over other means: human fingerprints are unique and stable; wit...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
The PIC series 8-bit single-chip microcomputer (RISC microcontroller) developed by Microchip Technology Inc. in the United States, especially the microcontroller with built-in second-generation Flash ...[Details]
Mesh network architecture and advantages
The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]
0 Introduction
Electric vehicles are high-tech products that integrate computer technology, communication technology, electronic technology, and new material technology. They have a complex ...[Details]
In today's era of pursuit of enjoyment, car drivers have higher and higher requirements for car audio. BMW and Mercedes-Benz, the world's automotive trend leaders, have recently put forward new requir...[Details]