Skip to content

Visuino: Use the Adafruit IO MQTT to remotely access and control Controllino MEGA PLC

Controllino is an industry-ready Arduino PLC supported by Visuino. With MQTT via Adafruit IO, you can quickly build and deploy powerful automation projects.

irina

Published November 28, 2025

Original author: Boian MitovOriginal source (new tab)

Visuino: Use the Adafruit IO MQTT to remotely access and control Controllino MEGA PLC

Project description

Author Project Overview This UCC introduces the Controllino PLC—an industry-ready, open-source Arduino-based controller available in MINI, MAXI, and MEGA versions. Unlike typical Arduino boards, Controllino provides certified, robust features such as built-in RTC, relay outputs, RS485, and Ethernet, making it a practical low-cost PLC solution for industrial use. Visuino fully supports Controllino, and the combination of industrial-grade hardware with visual programming enables rapid development of complex automation projects. After adding MQTT support to Visuino, the author created a…

Keep reading with a free account

Guests can read 15 projects per visit. Log in or create a free account to read the full description, open the documents and join the comments.