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How to connect Wi-Fi module to Arduino based PLC

How to connect Wi-Fi module to Arduino based PLC

On this post it is showed how to connect a WiFi module, ESP8266 WiFi shield on this example, to an Arduino based PLC. With all the Industrial Shields equipment it’s possible to add a WiFi module as ESP8266 WiFi shield. ESP8266 is a cheap and popular WiFi/microcontroller system-on-chip. Furthermore it can be programmed like a normal controller. Actually ESP8266 is a serially-controlled WiFi gateway. It can be configured with AT command, so using the Industrial Shiedls equipment’s UART it’s possible to communicate…

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