C51 communicates with the computer using RS232, but data is always lost after dozens of communications. The data received by the microcontroller is incomplete. The software on my PC shows that the dat...
3A positive voltage to negative voltage circuit.ddb is mainly used to convert +5V voltage to a -5V voltage. It is made of LM2576-ADJ 3A output adjustable power supply chip, and the switching frequency...
[align=left][color=#333333][font=Arial, Microsoft YaHei][size=14px]Is the LM358 single power supply input sinusoidal signal output a sinusoidal signal? [/size][/font][/color][/align][align=left][color...
Before we know it, today is the Double Ninth Festival. Here, I wish you all a happy Double Ninth Festival! May your family be healthy! The Double Ninth Festival is also known as the Elderly Day. Have ...
It has been extremely hot these past few days, so I used the E-coins I had saved up to exchange for a fan. The administrator handled it very quickly{:1_119:}{:1_119:}{:1_119:}, thanks eeworld!...
[p=26, null, left][font=Arial][size=14px][color=#a0522d]I have recently used the CAN bus of DSP28335 and spent some time on it. In fact, I have almost understood the basic principles of the CAN bus, b...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[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]
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]
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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[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]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]