I have limited knowledge and am trying to learn the original signal values of the parameters obtained by the OBD2 plug and research the extended function equipment.
Ask for help from the seniors:
1. T...
I was on a business trip these days, and when I had nothing to do, I carefully studied the video tutorial of Wildfire's "Practical Guide to Motor Application Development - Based on STM32". The charact...
Hello everyone, I am a novice. Today, the master asked me to draw a power board with USB VGA and two-pin power supply on one side. There are no other components. How should I draw it? And what is the ...
2010.8.5 Board delivery and welding debugging stage, for debugging issues, please see the C8051 version schematic and PCB on the 2nd floor: https://bbs.eeworld.com.cn/thread-154053-1-1.html C8051 vers...
1. How many topics did you publish in EEWORLD in 2013? [/size][/font][/font][/font][/color][/color][color=#000][color=rgb(0, 0, 0)][font=Helvetica, Arial, sans-serif][font=Microsoft YaHei][size=3]How ...
Many of the company’s prototypes use TI chips, so I’ll talk about the ones that are easy to introduce.DCDC chip TPS54327.A very easy-to-use DCDC chip with a wide input voltage range, which seems to be...
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]
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[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]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]