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Monitors slave status, door sensors, and provides validation to slave requests

Project description


Modis Lock Monitor


Intended to run as a daemon service that monitors the incoming requests from Modis readers. The monitor also maintains conditions of 2 door sensors as well as 4 possible readers.

Notifications are handled at the monitor but they are sent asynchronously via Redis and Celery.


  • Supervisor apt install supervisor
  • MySQL service is also required to be running on the same machine. apt install mysql-server5.5

During installation, setup will populate the database, but a root account with no password is required for the install to structure and populate the database.


For notifications and background tasks, a redis server is required. apt install redis


The monitor was designed to run on a Raspberry Pi 3 or CM3 module. For testing you can install it on a Linux machine and with it, the GPIO emulator GPIOEmu will be installed, which takes the place of the RPi.GPIO package.


Validation requests are handled through Raspberry Pi’s UART so if running on a Pi3 will need the BT module disabled and the pins configured for UART communications.

Installation can be accomplished with

During installation several files are written to areas that require elevated priviledges etc. /etc/supervisor/conf.d

sudo pip3 install modislock-monitor

Database Population

Population of the database happens at installation but can be accomplished after the installation if you don’t have a mysql instance running by executing the initialization script found in /etc/modis/modislock_init.sql


You can adapt the configuration of the monitor by modifying the config/ or config/ or config/ files based on your mode of operation.

Project details

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