Zigbee

So for the last few months I have in my spare time bean trying to find a way to run a PIR sensor on a battery.

I remember reading a news article a few months ago where Amazon, Google and Apple agreed to find a working standard for IOT devices. Lets face it currently you buy a Philips Hue bulb so you have to by the Philips hue hub same for IKEA, google or if you are really not to caring a Chinese hub.

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Sonoff

I was looking for a transformer from 230v to 5v. Although I found multiple options, the price per unit seemed a little too expensive about €3.00. While that does not look too expensive per unit, remember we also need a switch and an ESP module for WiFi connectivity. So, as an alternative I looked into these Sonoff devices.

SonOff

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Smart Home – The Idea

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