raspberry_server

This project is a simple and modular python server for controlling power switches and IR-devices. The server requires a configuration file to know which devices to manage.

The system currently supports the following devices:

Any IR-device
Nexa PE3-1500 power switches
LM75A temperature sensor

Dependencies

The server uses several libraries to work.

Flask

Install python Flask library for easy API routing.

$ sudo apt-get install python-pip
$ sudo pip install flask

Pilight

Install pilight to support the 433,92 MHz sender in order to control the power switches.

Installation steps	Link
Install library	[https://manual.pilight.org/en/installation] pilight
Wiring electronics	[https://manual.pilight.org/en/electronics-wiring] pilightWiring
Decode remote	[https://wiki.pilight.org/doku.php/preceive] pilightReceive
Fix SSDP connection issues	[https://manual.pilight.org/en/faq#pf2] pilightFix

Sender cable should be connected to GPIO17, and receiver to GPIO18.

View help for pilight Nexa devices:

$ pilight-send -p nexa_switch -H
Usage: pilight-send -p nexa_switch [options]
	 -H --help			display this message
	 -V --version			display version
	 -p --protocol=protocol		the protocol that you want to control
	 -S --server=x.x.x.x		connect to server address
	 -P --port=xxxx			connect to server port
	 -C --config			config file
	 -U --uuid=xxx-xx-xx-xx-xxxxxx	UUID

	[nexa_switch]
	 -t --on			send an on signal
	 -f --off			send an off signal
	 -u --unit=unit			control a device with this unit code
	 -i --id=id			control a device with this id
	 -a --all			send command to all devices with this id
	 -l --learn			send multiple streams so switch can learn

Start pilight:

$ sudo service pilight start

Turn on first unit:

$ pilight-send -p nexa_switch -i <uuid> -u 0 -t

Turn on second unit:

$ pilight-send -p nexa_switch -i <uuid> -u 1 -t

Turn on third unit:

$ pilight-send -p nexa_switch -i <uuid> -u 2 -t

Turn on all units:

$ pilight-send -p nexa_switch -i <uuid> -a -t

Turn off all units:

$ pilight-send -p nexa_switch -i <uuid> -a -f

The is the remote id and most be decoded in advance with pilight-receive

Lirc

Lirc is the library for sending and receiving IR-signals.

Installation steps	Link
Install library	[http://alexba.in/blog/2013/01/06/setting-up-lirc-on-the-raspberrypi/] lircInstall
Wiring electronics	[http://alexba.in/blog/2013/06/08/open-source-universal-remote-parts-and-pictures/] lircWiring
Decode IR remote	[http://www.ocinside.de/html/modding/linux_ir_irrecord_guide.html] lircDecode
List of available key names	[http://www.ocinside.de/modding_en/linux_ir_irrecord_list/] lircCodes

After installation lirc should be restarted with sudo /etc/init.d/lirc restart. Add a 22 Ohm resistor before the leds in the wiring scheme to prevent them from burning.

Sender cable should be connected to GPIO22, and receiver to GPIO23.

Temperature sensor

The API has support for responding with the room temperature. Buy a LM75A temperature sensor and set its addresses by soldering. Follow this tutorial: [http://www.instructables.com/id/Measuring-Temperature-With-I2C-Sensor-LM75A-on-Ras/]

Configuration file

config.json TODO

License

MIT

jimmyhedstr0m / raspberry_server Goto Github PK