The DC output of the Agilent digital power supply is 20V 2.5A. When the circuit is open, it is adjusted to 20V. After the circuit is connected, it becomes 2V. What is the reason?...
[i=s]This post was last edited by shinykongcn on 2018-6-8 11:19[/i]This CPU model is limited to 50k units. 8086 units will be randomly given to participants. 6c12t, main frequency 2.2GHz, turbo freque...
The things about Guo Tianxiang's team are very funny. I discovered it by accident. I ate it as kimchi late at night. Click on the blog link: http://xgc94418297.blog.163.com/blog/static/112966040201101...
Using a simple three-wire serial port, there is no flow control, no data ready, and no terminal ready! How can I solve the following problem: SIM300C and the server send data at the same time, and the...
The environment is evc++ SP4. I want to use one sentence plus a variable to do the parameters in afxmessage. For example, I bought 5 books, and the 5 here is variable. I tried several ways and none of...
[b]A text message was sent by mistake. . It became a group message[/b] I was in a bad mood these past few days. I was bored at home at night, so I sent a text message to one of my ex-girlfriends. The ...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[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]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
1. Proposal of
reconfigurable
measurement and control system
The measurement and control system generally refers to a system based on
computers
to realize data acquisition a...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
A stepper motor is an electromagnetic mechanical device that converts an electrical pulse signal into an angular displacement or a linear displacement. The stability and reliability of a stepper mo...[Details]
The invention of the steam engine ushered in the first conversion of internal energy and mechanical energy for mankind, and the birth of the internal combustion engine at the end of the 19th centur...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Power technology
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