Opto 22 releases four-port serial communications module for new groov EPIC system Opto 22 releases PAC Project Software Suite R10 Opto 22 announces groov EPIC Opto 22 enhances groov with OPC-UA drivers, MQTT Opto 22 announces new Director of Training Opto 22 announces IoT Certified Partners Opto 22 adds advanced trending capabilities to the groov mobile operator interface solution Opto 22 joins EdgeX Foundry Opto 22 joins The Linux Foundation