When receiving string data returned by PLC, how does the VB MSCOMM control judge whether the string data has been received and then process it? According to the communication protocol, each PLC has a ...
[i=s] This post was last edited by supermiao123 on 2016-11-18 11:00 [/i] You all know what this title means. :lol Actually, I became familiar with NI when I participated in the Freescale Smart Car (no...
Hello old hands, I am a novice. Today I was bored and took apart a broken mini electronic scale. According to my understanding, this is a heavy sensor. I don’t know if this is correct, old hands.
The ...
Recommend a 2A synchronous DC-DC step-down converter that provides class-leading EMI performance across a wide range of input and output voltages. These devices are ideal for a wide range of product a...
Hello everyone! I use VC33 to make a data acquisition board. Its processing flow is that after the DSP filters the collected data, it reads and writes data with the microcontroller through the dual-po...
#include
#define F_CPU 8000000UL #include
double a=500; int main(void) { _delay_ms(a); while (1) { } } This program fails to compile using Atmel Studio 7.0, and reports the error __builtin_avr_delay_c...
In some applications, such as data loggers, it is desirable to have multiplexed analog outputs. When only a single output is active at a time, a voltage-output DAC">digital-to-analog converter (DAC) a...[Details]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
In the test of the electronic ignition module, in order to simulate the real working condition of the electronic ignition system, the electronic ignition module is often placed in an environment hi...[Details]
Infrared remote control is widely used in household appliances, security, industrial control and people's daily life, especially household appliances and security.
When there are many TVs, VCD...[Details]
Today's mobile phone production testing faces an increasingly complex environment, with challenges of multiple frequency bands and multiple standards, pressure on production test speed, and pressur...[Details]
With the development of supermarket industry and the strengthening of loss prevention awareness, the use of electronic anti-theft equipment (EAS) has become very popular in various parts of the countr...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
1 Basic structure and function of implantable cardioverter defibrillator (ICD)
ICD consists of two parts: the pulse generator and the electrode lead. The main components of the pulse generator...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
Abstract:
Aiming at the performance requirements of the control system for micro-sized walking robots, a control system that can be used for multi-joint driving of walking robots is introduce...[Details]
LED dot matrix blocks have the advantages of high brightness, uniform light emission, good reliability, and easy assembly, and can form display screens of various sizes. At present, LED display scr...[Details]
Abstract:
Aiming at the problems of repeated design and high cost of existing LED large-screen displays, a modular LED large-screen display is proposed, which can realize flexible configurati...[Details]