A pull-up resistor should be added to one section of the microcontroller, and then combined with this diagram, it can drive a 300mA solenoid valve (power is 3.5w, voltage is 12V). I [img]c:/51 driving...
1. Overview: The block diagram of the single-chip microcomputer controlled motor circuit is shown below. It is a time controller. Users can program the time by pressing buttons. The time value can be ...
Usually when using logic chips, there is usually this question. Here we will briefly introduce to you under what circumstances the input voltage Vin can be higher than the supply voltage? When Vcc is ...
[i=s]This post was last edited by eagler8 on 2021-2-7 17:50[/i]After eating the fast food porridge, in addition to the delicious taste of the porridge, I became interested in the round lid of the fast...
I just learned USB driver by myself. After configuring vc++6.0 environment, I ran into the following problem after executing build -> rebuild all: vc++ prompts the following error: Deleting intermedia...
I have a question. Does anyone use mma7455L? How do I initialize the 4-wire SPI? I can't drive it. When using SPI, is it to pull CS low and then start the timing transmission? Are there any other sett...
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Current Development Status of DVR Market
A DVR, or digital video recorder, uses a hard disk for recording, unlike traditional analog video recorders. It's often called a DVR because it's a com...[Details]
We are entering a new era where people are increasingly affordably equipped with more electronic gadgets. Electronics have become essential to our lives. For example, the average consumer now owns ...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
0 Introduction
With a rapidly aging population, a young couple is now required to care for an increasing number of elderly people, leading to a growing difficulty in providing care for them. E...[Details]
We know that the power output by the engine does not directly act on the wheels to drive the car, but needs to pass through a series of power transmission mechanisms. So how is the power transmitte...[Details]
Recently, I received a request to use OK1028A-C to output PWM square wave. However, I found that there was no relevant instructions on the OK1028 platform, so I started writing this article.
A...[Details]
On August 19, Huawei's Executive Director and Chairman of the Device BG, Richard Yu, shared a Weibo post about a conversation he had with a Zunjie S800 owner. The owner had driven over 5,000 kilome...[Details]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
The transition to SDVs (software-defined vehicles) involves more than just replacing parts; rather, it involves the organic connection of various elements, from internal vehicle systems to ext...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
System Principle
According to the average imbalance rate of the branch three-phase phase line load and the average value of the branch phase line current, the adjustment of the phase line load...[Details]
Abstract: This design uses field-effect transistors to create a tube-like audio power amplifier. The preamplifier uses a single Class A transistor, while the power stage utilizes Class AB push-pull...[Details]
As systems become increasingly used in industrial environments, industry safety requirements, as well as national and international safety regulations, need to be constantly updated to ensure a saf...[Details]
Embedded System
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