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...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1 Introduction
Building Automation System (BAS) is a distributed monitoring system (DCS) designed according to distributed information and control theory. It is the result of the mutual de...[Details]
1 Introduction
With the development of control, computer, communication, network technology, etc., a new control technology, namely fieldbus, has emerged in the field of industrial control...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]