I built a board according to the classic telephone circuit, the schematic diagram is shown below. MT8888 is a DTMF transceiver, and TEA1062 is a telephone voice chip with a dialing interface. The TONE...
I am using the F2802-60 device. The program I wrote runs well when it is simulated in RAM using the emulator and CCS3.3. However, after changing the flash configuration cmd file, compilation and downl...
[p=22, null, left][color=rgb(60, 60, 60)][font=微软雅黑, Tahoma,]1 Overview[/font][/color][/p][p=22, null, left][color=rgb(60, 60, 60)][font=微软雅黑, Tahoma,] In order to reduce the tedious process of manual...
Our project is to do an embedded simulation. When I read the SPI manual of s3c2410, I don't understand the following questions. I would be grateful if any expert can give me some advice! ! Here are th...
My computer was shut down several times due to power outages. As a result, it was very slow when I turned it on in the afternoon. It took more than ten minutes to boot up. I couldn't open it with anti...
I am a TI M4 novice. I just bought a LaunchPad on Taobao. I followed the UART program of a friend in the forum and wrote a short code myself, but the running result is incorrect. The function of the p...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[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]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Google's driverless technology is not only an eye-catching technology, but also a subversion of the car usage model.
Those who have watched anti-terrorism films and TV dramas must have been im...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[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]
Overview
As a remote network communication control method with advanced technology, high reliability, complete functions and reasonable cost, CAN-bus has been widely used in various automa...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[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]
The automotive lighting and signal control system is responsible for controlling the vehicle's lighting, signal lights, electric horns, reversing and brake buzzers. Traditional automotive lighting...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
The typical fault troubleshooting listed below is for reference of maintenance personnel.
When the computer is turned on, the indicator light is off and there is no screen display
Mainte...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]