I was looking for a transformer from 230v to 5v. Although I found multiple options, the price per unit seemed a little to expensive about €3.00. While that does not look to expensive per unit, remember we also need a switch and an ESP module for WiFi connectivity so as an alterative i looked into these SonOff devices.
I have found a better idea for communication between my IoT devices. With a little research online I found out about IBM’s MQTT technology.
The idea is to monitor via several sensors the status of the house and to have some kind of control. We will also have a gesture sensor attached to a relay, we can then swipe to turn on and of the lights. The sensors will post their data to a MySQL server running on a raspberry pi 3.Read More
I bet you were expecting a getting starting guide right?
Well unfortunately i think there are so many guides already published online i would advise to go and look one up.
I mean seriously is there really a need for so many people to publish getting starting guides, reminds me about cats on Facebook 🙂Read More