This document discusses WISE-5231 and IoTstar, industrial IoT solutions from Hung-Ga Technology Co. IoTstar is software that connects devices like WISE-5231 to the cloud, making it easy to maintain and access device data from anywhere. It supports protocols like MQTT and collects data automatically into databases for visualization. WISE-5231 is then used in applications like machine monitoring and environmental monitoring to connect sensors, log data, provide real-time control, and send alerts.