| DRAFT INSTRUCTION - WORK IN PROGRESS
|
Access Control and Monitoring System Information
Access Control
Specification
Spec needs defining.
Description
- We want some sort of system to capture an RFID identifier, store it, associate it with a person (in such a way that we can later tie it into some sort of presently-non-existent membership database).
- It needs to interface with the door, which has some sort of radio remote control, and I guess we also need some lock/unlock buttons in the space itself to stop people manually driving the door lock (as it then becomes out of sync with itself).
- With a magnetic close sensor so that when the door is in the closed position it always relocks, but with an override (for Monday nights, for example)
- A very detailed spec for Lancester University is available for inspiration here: https://www.lancaster.ac.uk/iss/info/supplierdocs/network/LU-Access-Control-Spec-v1c.pdf
- A comparison of hackspace access control systems and membership databases can be found here:
- Paul has some ideas for a door control system.
Diagrams
Photos
Front panel of the control box, with a button and an override key
Inside of front panel, showing wiring
Inside of control panel, with RFID reader at bottom, ESP-RFID control board bottom right, 433MHz interface for lock bottom far right, Arduino door/lock control board top right
Back face of RFID the reader
Close up of ESP RFID access control board
Close up of Arduino door/lock control board
Close up of DESI 433MHz lock interface Module
Door Sensors
Door Closed Sensor
- The door closed sensor is a reed switch activated by a magnet.
- It's connected to a four core cable, with red and yellow wires used for the contacts.
Bolt Lock Sensor
RFID Reader Module
The RFID Reader connections are:
RFID Connections
| Function
|
Wire Colour
|
| VCC Supply +12V
|
Red
|
| GND
|
Black
|
| D0
|
Green
|
| D1
|
White
|
| Beep
|
Yellow
|
| LED
|
Blue
|
| GND / WG34
|
Purple
|
Access Control Database Server System
