When the row line is high and the column line is low, the lights are turned on. How to make the lights of different rows not interfere with each other in the line-by-line display? Will the code for di...
[i=s]This post was last edited by dcexpert on 2019-4-30 11:30[/i] An old Komi fingerprint card reader, which can be disassembled and used for learning. [color=#ff0000]It will be delivered if you pay f...
Found it online, thought it was good and shared it: Features:
Maximum number of tasks: 16
Maximum number of active tasks: 16
Required CODE space: Maximum 900 ByteDATA space: 7 bytesSTACK space: 3 byte...
I am making a GPS data collection, and I use GPRS to transmit data, and I use a single chip microcomputer to realize it. A few days ago, I completed the GPS collection and used the wireless transmissi...
I want to make a semiconductor refrigeration thermostat controlled by a single chip microcomputer to control the temperature within a certain range. Now I don't know how to accurately control the heat...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
1. Introduction
Modern modular machine tools are equipped with a large number of electronic devices to meet the requirements of processing accuracy, processing speed, etc. If the conventional ...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
Introduction
With the development of economic level, people's demand for cars is increasing. While cars bring great convenience to our travel, they also pose challenges to the health of d...[Details]
With the development of the national economy and the improvement of people's living standards, central air conditioners are increasingly widely used in civil and public buildings. While central air co...[Details]
Consumer demand for multimedia embedded processor products is growing rapidly, requiring both increased performance and reduced power consumption. However, high-performance processing requires incr...[Details]
Embedded System
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