VVS Notifier

This project runs on a raspberry pi. It connects to the vvs twitter and checks for current service outages. Also it connects to the vvs web api to fetch the departure times for a specific station This information is displayed on a HD44780 display. The script is triggered through a motion sensor.

run background script with sudo /etc/init.d/vvs_notifier.sh start | stop | status

Python Script Installation

Add a config.ini file to the root of the project with the following twitter info: (configure your app at https://apps.twitter.com/)

[twitter]
ConsumerKey = <your_consumer_key>
ConsumerSecret = <your_consumer_secret>
AccessTokenKey = <your_access_token_key>
AccessTokenConfig = <your_access_token_config>

Used GPIO Pins (mode=GPIO.BOARD)

PIR:

color	function	GPIO Pin
red	VCC 5V	4
brown	Out 3.3V	14
black	Ground	18

DISPLAY:

color	function	GPIO Pin
brown	vss, Ground	25
orange	vdd, 5V	Breadboard
red	v0, Ground	30
orange	rs	26
yellow	rw	38
green	e	29
blue	d4	31
violet	d5	32
grey	d6	33
white	d7	35
yellow	a 5V	Breadboard
black	k Gnd	Breadboard
orange	bgcrtl	36

Optional LED support (start & join LED thread in app.py)

LED:

color	function	GPIO Pin
orange	S1	7
yellow	S2	11
brown	S3	12
grey	S4	13
blue	S5	15
white	S6	16
red	VCC 5V	2
black	Ground	9