• I haven’t found any complete project like this, I mean a general purpose (home) automation project with a full developed hardware and software.

• The goals of this project are:
  • to be affordable (price/(outputs + inputs)), every thing is hardwired (not for every one)
  • reliability (every thing have to be easy to replace, my wife has to be able to do it)
  • flexibility (gotten by division of GPIOs in groups of 4)
• it is based on Beaglebone Black (BBB)
• Its able to control up to 64 Inputs or Outputs in blocks of 4
• I’ve developed a main board were is possible to plug up to 16 4-inputs or 4-outputs boards (4 GPIOs). All of them are optocoupled.
  • I’ve already developed a 4-relays board and 4-transistors board wich can control lights intensity by PWM and also 4-imputs board
• The power board can be connected to a battery and detect a mains failure
• It’s already able to communicate with Openhab, an android and ios application, or whatever application that support MQTT protocol
• It’s in production now since April 8th 2016 in my home
• There are also 2 more slots with 3 and 4 analogs inputs, I’m planing to sense the battery level and natural light level.
• Into one of the 16 slots I’m planing to connect some DS18B20 (up to 10 can be connected to one gpio) to sense the rooms temperatures.

• I’m trying to sort thins out to make them easier to understand
• I will re-write some of c++ objects to make them more clear
• Many directories still need to be populated,

• A full functional project is in production at my home. Have a look at the pictures folder for images
• Now I’m controlling 5 PWM circuits for lights
• I’ve also 6 inputs
• All outputs are controlled by Openhab web application from LAN/WAN

• Get a Beagle bone black with Linux running
• to be able to compile c++ and new capes, they are needed to manage GPIOs
  • do apt-get install build-essential
  • do apt-get install linux-image-3.8.13-bone68 device-tree-compiler am335x-pru-package
  • do apt-get install libmosquitto-dev libmosquittopp-dev mosquitto mosquitto-clients
• compile the cape /domotics/capes/half-in-half-out.dts by make
  • install by make install
• get yours electronics ready and connected to one of the gpio used on “running/test-pwm.cpp” like “GPIO 27”
• Connect and input switch at “GPIO 4”
• copy the contents of “/domotics/running” to /pru2 at BBB
• run make
• run /pru2/start.sh
• Your led should get PWM controlled with the switch
• Optional:
• Install openhab, instructions at it’s site: http://openhab.org/
  • copy domotics/root/* to ”” at BBB
• Install an configure your openhab to point to your BBB ip as http://BBBip:8080

• ./docs/files-strucure.org

• Every one willing to contribute with this project is welcome

• none yet

• none yet

• none yet

• none yet

• Damian Machtey
• dmachtey at gmail com

The code and hardware is being released under GPL v3.