R + IoT is an application that can utilize functions such as video processing, video and sound output using a sensor and camera of a smartphone, in conjunction with an IoT education kit developed by Robotizes. With simple programming, the kit can be controlled via a smartphone. (When using BT-210, it is recommended to use dual core or higher (ex. Galaxy Nexus, Galaxy s2).) (When using BT-410, it can be used on devices with Android version 4.4 or higher and Galaxy S3 or higher.) Currently, 12 ex