php5| Application Demo
I. Prior knowledge:
What is rs232/rs484 and its application?
QUOTE:RS232 interface is a serial port, computer chassis rear of the 9-core (or 25-core) socket, next to the general has "| o| o| "Sample identification.The
Data I have not read the PHP source code, but it has file operation function, I think it should be OK? Not really, then do a CGI to achieve also can, and independence is good, easy to maintain. In the past I have done in the BCB environment, the
Raspberry Pi native Serial port default for console output, if you want to use in your own program need to shut down the system to occupy this serial port.
The method is configured for Rasp-config, or directly modifies the/boot/cmdline.txt
PHPlet is installed in Windows. What is PHPlet? It is very simple. it is a Web server written in PHP and can replace Apache or IIS. Why is PHPlet introduced? Because it is what PHPer learn about the Web service PHPlet?
It is very simple. it is a Web
Experiment PreparationExperiment One: PHP development environment Configuration, learning to install and use the integrated PHP development environment.First, respectively download and install Wamp, appserv,xampp,phpstudy and other software, and
PHP implements methods for connecting devices, communicating, and sending commands, and PHP commands
This article describes how PHP implements connection devices, communication, and sending commands. Share to everyone for your reference. Specific
This article describes how to use PHP to connect devices, communicate with each other, and send commands. It involves socket-based php device connection and data communication related skills and has some reference value, for more information,
This article illustrates the way PHP implements connecting devices, communications, and sending commands. Share to everyone for your reference. Specifically as follows:
The development of the BS Architecture Software (PHP), the need to communicate
Use PHP to control MODBUS-RTU devices, phpmodbus-rtu Devices
In industrial control, Iot, intelligent projects, MODBUS-RTU equipment is one of the most common types, it uses RS485/232 bus communication mode, MODBUS-RTU Protocol has a long history
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