I always was very interested in smart homes and controlling everything with my voice.
A while ago I did some research on different devices that could help me make my life easier.
There are some open source projects and came across Google home, and some others.
The Amazon Echo Dot was the best choice for me.
After Googling about the Echo Dot i found lots of possibilities that could be implemented.
I found out it was possible to connect the echo dot to some smart hubs, write your own skills and that there was a large community developing new skills every day.
Ordering the Echo dot was not that simple.
Apparently, they only ship to UK, Germany, USA. And I do not live in these countries. The Echo dot is only 45 dollars, so I needed a solution to get it to my country. There are some services that will do this for you but then it becomes expensive.
Then, I heard my college was going to New York. Bingo, shipped three echo dots to his hotel. And he brought it back home.
So now I got three echo’s in my home, and want to control my lights. Again, did some research and came across the WeMos D1 mini.
This is a wireless chip with GPIO that can be programed to emulate a smart switch that is compatible with Alexa.
This in combination with some relays I could control my lights. I ordered some WeMos D1 mini chips and relays online and got started.
The chip runs on 5v, as do the relay board, so you need a correct power source if you are planning to implement it.
On these relays you can connect whatever you want.
Now let Alexa discover devices. You have made a smart home switch with the WeMo D1 mini chip.
Here a chip reference of what pin is where on the chip.
This was again a fun project to work on. My lights are controlled by Alexa, and with the latest update i can now add routines to it.
Handy to wake up in the morning,
If you have questions, just mail me.