OpenHAB2 Raspberry Pi Touch Display

Description

Bringing a touch of "smarthome" into your own home is definitely on the do-to list for a maker. When it comes to smarthome I´m thinking more of a kind of comfort control. So I want to be able to switch a few lamps and get a simple notification like the weather forecast, not much more. In order to realize this, I decided to use OpenHAB2. In this context, I also have the opportunity to deal more closely with a Raspberry Pi which I found very interesting because I have worked almost exclusively with microcontrollers so far. In order not to use the mobile phone every time or even to steer the smart home on the PC, I have searched for a handsome display variant and and found the Raspberry Pi touch display.

The display itself should be embedded in a wooden board. Likewise, hooks for keys should be placed on the wooden board too. So I always have a central place for my keys and home control.

Components

1 × Raspberry Pi 3 Model A+

1 × Raspberry Pi Touch Display

1 × WS2812b

1 × BMP280

1 × DC JACK

Project Logs

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Open source...
Benjamin Prescher • 11/26/2019 at 17:59 • 0 comments

Finally...
I would say the big steps are taken. Everything is up an running an you can get the 3D parts on Thingiverse and as well as the software on github . Enjoy!
Hang it!
Benjamin Prescher • 11/21/2019 at 10:56 • 0 comments
After some "dry exercises" it was finally time: The Raspberry got its new task as a "Smart Home Central"...

Here are some steps I did to get everything up and running:
1. At first I build everything up and checked for electrical functionality
2. After this I used a a clean new install of "Raspbian Buster with desktop"
3. Manually created wpa_supplicant.conf because the Raspberry Pi 3A+ does't have a ethernet connection and I wanted to configure the Pi remotely (even if you are using a touch display, there is no virtual keyboard pre-installed) wpa_supplicant (German)
4. Installed remote desktop protocol:
  1. sudo apt install xrdp
  2. sudo reboot
5. Installed virtuall keyboard
  1. sudo apt-get update
  2. sudo apt-get install at-spi2-core florence
  3. sudo reboot
After this it was time to read out some temperature data from the BMP280:
1. Installed Adafruit blinka
2. Installed Adafruit BMP280 Lib
First steps...
Benjamin Prescher • 11/17/2019 at 16:16 • 0 comments

The possibilities of the Raspberry Pis invite you to make the panel a bit smarter. I still have quite a few WS2812b LEDs available, as well as a BOSCH BMP280 sensor with which I can still realize a temperature measurement.

So having all the components together I cut out the cut-out for the display with a jig saw. After this I started designing all the needed parts with fusion 360 and printed them.