用户定义功能块(UDFB)之于可编程逻辑控制器就像功能之于微控制器一样。两者都是用于简化代码的结构，使其更容易编写，故障排除和维护。它们也是允许代码在将来被重用的基本结构。 本文引用地址： 本文概述了在Arduino Opta 1中使用的简单UDFB的构造。

The Arduino PCB Ink Plotter CNC Machine is a DIY project that features a arduino running GRBL CNC firmware. In this project, it uses a marker that is suitable for plotting or marking the PCB for board ...

At the core of the Arduino PLC Starter Kit lies the Arduino Opta mini PLC, a state-of-the-art microcontroller that serves as the brain of your automation projects. This powerful device boasts seamless ...

The durable Arduino Opta micro PLC enables industrial and building automation. It integrates with existing machines, devices, and the modular Arduino ecosystem – from sensor modules to SOMs and ...