[i=s] This post was last edited by damiaa on 2014-10-5 21:27 [/i] [size=5][color=#ff0000] Understand the information first [/color][/size][size=2][color=#ff0000] [/color][/size] [size=2][color=#ff0000...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:03[/i] I heard that you can't use a board with components soldered on it, neither a general board nor a PCB board. You can only bring a blank...
What is TTL circuit? TTL (circuit) 2008-05-15 02:22 TTL (logic gate circuit) stands for Transistor-Transistor Logic, or BJT-BJT logic gate circuit. It is a commonly used logic gate circuit in digital ...
The circuit is as shown in the figure. It is powered by 24V and divided into two groups of LEDs, AB. Usually, only one of the groups is lit. The reason is as follows: the customer powered on the LEDs ...
This is a microcontroller IO port input circuit that has been used for many years. EVCC is the common power supply terminal, which is a common anode input. I have always thought that R2 in the figure ...
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
For a long time, my country has implemented "community-style collective heating" for hot water heating, and settled accounts based on the heating area, regardless of whether the user uses heat. Thi...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
1 Introduction
This laboratory is mainly based on the characteristics of vocational education. It provides remote PLC technology training and teaching experiment functions for on-campus (studen...[Details]