Opta
The Arduino Opta® is a secure, easy-to-use micro PLC with Industrial IoT capabilities. Designed in partnership with Finder®, a leading industrial and building automation device manufacturer.
Tutorials
Getting Started with Opta™
Get started with the Opta™ and get to know some of its features.
Bluetooth® Low Energy, Wi-Fi® and Ethernet on Opta™
Learn how to make use of the Opta™ PLC's connectivity features.
Getting Started with Modbus RTU on Opta™
Learn how to use the Modbus RTU serial protocol on Opta™.
Getting Started with RS-485 on Opta™
Learn how to make use of the RS-485 communication interface on Opta™.
Tank Level Monitoring with the Opta™
This application note describes how to monitor the level in tanks using Opta™ and Modbus RTU protocol.