Difference between revisions of "Gatekeeper"
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=== Quick Breakdown === | === Quick Breakdown === | ||
| − | * | + | * Arduino with Wiznet shield |
* RFID reader | * RFID reader | ||
* Doorbell button (interrupt pin) | * Doorbell button (interrupt pin) | ||
* magnetic release (MOSFET switch 12v) | * magnetic release (MOSFET switch 12v) | ||
* Magnetic contact | * Magnetic contact | ||
| − | * Doorbell sounder (Relay) | + | * Doorbell sounder (Relay) - activated either by attached doorbell button, or doorbell on outer door (connected to main [[LED Matrix]] display) |
| − | * Magnetic release status led's red/blue | + | * Magnetic release status led's red/blue (TODO) |
* Matrix keypad and HD44780 LCD controlled via I2C AtTiny2313 | * Matrix keypad and HD44780 LCD controlled via I2C AtTiny2313 | ||
* MQTT | * MQTT | ||
| − | * MQTT scripts on holly push to irc twitter | + | * MQTT scripts on holly push door opened & last man switch events to irc twitter and log |
| − | * Card numbers in 'Instrumentation' | + | * Card numbers in 'Instrumentation' MySQL database on [[Holly]] |
| − | * | + | * Database managed by [[HMS]] |
=== Notes === | === Notes === | ||
Revision as of 13:10, 30 June 2013
Gatekeeper is the first node of our Hackspace Instrumentation project to go live and is responsible for access control to the space through the front "Airlock" door.
Pics
Error in widget Flickr gallery: Unable to load template 'wiki:Flickr gallery'
Source Code
The firmware that runs on the arduino cane be found here
https://github.com/NottingHack/Gatekeeper
The code for the database and the process that run on Holly can be found here
https://code.google.com/p/nottinghack-instrumentation/
Schematic
Logic Flow
Quick Breakdown
- Arduino with Wiznet shield
- RFID reader
- Doorbell button (interrupt pin)
- magnetic release (MOSFET switch 12v)
- Magnetic contact
- Doorbell sounder (Relay) - activated either by attached doorbell button, or doorbell on outer door (connected to main LED Matrix display)
- Magnetic release status led's red/blue (TODO)
- Matrix keypad and HD44780 LCD controlled via I2C AtTiny2313
- MQTT
- MQTT scripts on holly push door opened & last man switch events to irc twitter and log
- Card numbers in 'Instrumentation' MySQL database on Holly
- Database managed by HMS
Notes
6 Core alarm cable run to airlock door
- magnetic contact on black and white core
- door magnetic release green and yellow cores
- last man switch on blue and red cores