My graduation project is to use AT89s52 to make an IC card attendance machine. The components used are a 12864 LCD, PCF8563 (for displaying time), AT24C512 (for storing fonts and card reading records)...
In fact, it is an LED light strip, which is made into various specifications by connecting in series and parallel, and the surface is covered with yellow fluorescent powder....
I encountered an error when installing ActiveSync. The error message was "Error writing to file: C:\Program Files\Microsoft ActiveSync\wcesmgr.exe, please verify that you have access to the directory....
[color=#000][font=宋体][size=12px]This program is used to generate sounds of different frequencies in the development board. The overall program is relatively simple, mainly using two timers. The code a...
[i=s] This post was last edited by feifeizhuer on 2019-4-10 17:29 [/i] The package is TSSOP16, 5 pins for VDD, 6 pins for ground, 15 and 16 pins should have comparator function; it should be 8-bit. I ...
As the title says, I would like to share my own Chinese comments on the FreeRTOS v10.1.0 source code to help beginners get started. The link is as follows: [url]https://github.com/xupenghu/LearningFre...
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[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. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[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]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[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]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[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]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
DigRF
is
poised to replace the two main forms of data communication paths between RF and baseband semiconductor devices:
analog
signaling, and proprietary digital signaling (paralle...[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]
Traditionally, when using PLC to control stepper motors, a dedicated stepper motor control intelligent module is usually added to the PLC, and then connected to the drive power supply to realize th...[Details]
MCU
京公网安备 11010802033920号
EEWORLD
