The Tonbux power strip is an IoT device that allows control of each power outlet from a mobile device. These are sold on Amazon for around $30 each. It has a closed firmware that does not allow direct access to the power strip. Instead, a mobile device app must be installed and control is done through the app. From the looks of it, the power strip publishes with MQTT to a cloud based broker. In turn the mobile device app … Continue reading ESPurna firmware on Tonbux Power Strip