Typical application circuit of Darlington tubeAuthor: Love Follows Source: Unknown Added Date: 2005-5-27 1106 1. Used in high-power switching circuits, motor speed regulation, and inverter circuits. 2...
[MsgOS] Post an operating system I wrote for the cortex-m microcontroller [url=https://bbs.eeworld.com.cn/forum.php?mod=viewthread&tid=492496&fromuid=703533]https://bbs.eeworld.com.cn/forum. ... &from...
I have never studied USB before, but now I need to build a USB system. It is roughly like this: we used Lingyang's SPCE061A development board to make a simple item manager. Now we want to add a USB in...
1 System Overview
As shown in the figure, this is the principle block diagram of the entire video acquisition system. At the beginning of power-on, the FPGA needs to initialize the register configurat...
Does anyone know how to sense a circuit 10 meters or more away? (That is, how to sense the voltage returned by the object or person in front of it) Can anyone tell me? I hope we can communicate with e...
I'm learning CC2530F256 recently. Now I'm debugging RF communication (simple RF communication, no protocol stack). Considering that there will be data collision during multi-point communication, how t...
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]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]