Welcome to the official Opto 22 Developer site.
General information about Node-RED.
Node-RED nodes for communicating with groov View Data Store tags.
Node-RED nodes for communicating with groov EPIC and SNAP PAC industrial controllers.
Access groov View Data Store tags over the groov View REST API
Access services from the groov Manage REST API, including I/O.
Control Opto 22 input/output modules with a Pi®.
Access PAC Control tags over the PAC Control REST API.
Use .NET with various Opto 22 protocols.
Use C++ with the OptoMMP protocol.
Use Python with the OptoMMP protocol.
Tools to get started faster.
New Workshop Videos: Node-RED for the IoT
Nov 14, 2017
Log groov data to Excel
Sep 28, 2017
Use Access and Excel to get data from groov
Sep 22, 2017
Create a Weather App with groov and Node-RED
Aug 29, 2017
Using SNAP PAC REST API with Excel Code Sample
Aug 25, 2017
Node-RED 0.17.4 released for GROOV-AR1
Aug 9, 2017
New Node-RED Example
Feb 23, 2017