The Sonoff S20 WiFi Smart Socket is a switch that you can control with your smartphone. This can be done locally via your own wireless network and worldwide
In the previous blog post “IoT server: Mosquitto and Node Red on Raspberry Pi” we installed the Mosquitto MQTT broker and restricted access by requiring passwords for the
Setting up your own local, private and secure ‘Internet of Things’ (IoT) server is easy with Mosquitto, Node Red and a Raspberry Pi. Sometimes this route is preferable
