<div dir="ltr"><div>Ieri Marco ha chiesto un suggerimento su come inviare dei dati tra più Arduino usando un cavo e a lunga distanza <br></div><div dir="ltr"><br></div><div dir="ltr">Una possibilità è usare la RS485 (pare fino a 1200 m) <br><a href="https://it.aliexpress.com/item/MAX485-Module-RS-485-TTL-to-RS485-MAX485CSA-Converter-Module-For-Arduino-Integrated-Circuits-Products/32781613765.html">https://it.aliexpress.com/item/MAX485-Module-RS-485-TTL-to-RS485-MAX485CSA-Converter-Module-For-Arduino-Integrated-Circuits-Products/32781613765.html</a><br><a href="https://naylampmechatronics.com/blog/37_Comunicaci%C3%B3n-RS485-con-Arduino.html">https://naylampmechatronics.com/blog/37_Comunicaci%C3%B3n-RS485-con-Arduino.html</a><br><a href="https://www.instructables.com/id/RS485-Serial-Communication-Between-Arduino-Mega-an/">https://www.instructables.com/id/RS485-Serial-Communication-Between-Arduino-Mega-an/</a><br><a href="http://www.idoimages.co/arduino-rs485-library-modbus/">http://www.idoimages.co/arduino-rs485-library-modbus/</a><br><a href="http://www.gammon.com.au/forum/?id=11428">http://www.gammon.com.au/forum/?id=11428</a><br clear="all"></div><div dir="ltr"><br></div><div>Non mi è chiaro se basta collegare i terminali A e B con un cavo twistato o serva anche il cavo di massa (penso che si usi lo schermo delcavo) <br></div><div dir="ltr"><br><div dir="ltr" class="gmail_signature">Giorgio <br></div></div></div>