[Study Notes] USB Development Notes Based on LM3Sxxx - Part 2 USB Device Firmware Development Based on LM3S9B96
I've been a bit busy recently, so I just finished writing the second part today and uplo...
Take a target position, at 70m away from the target position, if the speed is greater than 6m/s, an alarm will be given; at 50m away from the target position, if the speed is greater than 5m/s, an ala...
Hi guys, I am working on the GPRS part of SIM300. When I use the HyperTerminal to set the module to access the Internet, there is a problem. My settings are as follows: AT+CGCLASS="B" OK AT+CGDCONT=1,...
I haven't watched Korean dramas recently. I was a little disappointed with Korean dramas after watching "IRIS2". Recently, I suddenly saw "Descendants of the Sun" and thought it was pretty good. It's ...
[font=微软雅黑][size=4][color=#000000]EMC, including EMI/ESD problems, is usually 80-90% related to grounding design. The most prone to EMI/ESD problems are the so-called analog, digital and power groundi...
Strongman: Hello, I want to ask a question. Mobile customer service: Please tell me. Strongman: I have a card that was eaten by my cat. Can I use it after I take it out? Mobile customer service: Then ...
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]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[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]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
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]
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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Motors are important products that convert electrical energy into mechanical energy to achieve automation, and they are widely used in industrial control, medical electronics, white a...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
Leakage current is generated by parasitic resistance paths between the measurement circuit and a nearby voltage source. This current can significantly reduce the accuracy of low current measurement...[Details]
Based on the actual situation, a remote intelligent anti-theft alarm device for home use, connected to the telephone line, simple to operate, and stable and reliable in operation is designed. When ...[Details]
Microcontroller MCU
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