Use 74ls90 counter and 74ls08, 74ls123 monostable trigger, and DIP switch to make a counter frequency division circuit. Use audio signal generator to generate 1kHz square wave signal and connect it to...
I just learned driver development. Does anyone have the software Microsoft Platform Builder for Windows Mobile 5.0? Can you send it to me in separate files? 634173898@qq.com I will never forget your k...
I have made a 6×5 special keyboard. In the program, the make and break codes of the keys are sent to the industrial control computer. The industrial control computer can receive and display them corre...
1. Hardware modification:2. Software modification:in order to disable the built-in DC/DC, write this in your ccfg.c:#define SET_CCFG_MODE_CONF_DCDC_RECHARGE 0x1 // Do not use the DC/DC during recharge...
An EE_FPGA learning board can be provided to friends who are interested in learning FPGA. The development board needs to be collected after use. Trial users note: 1. Agreed use period; 2. Please take ...
I had no problems using it before, but after I reinstalled the system, I got the error SCC: LoadLibrary failed. SCC: Ignoring SCC provider 'Microsoft Visual SourceSafe'. Failed to load provider DLL. P...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect 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]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[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]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]