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toollockers [2019-05-19 13:04] timtoollockers [2019-05-19 13:24] – [To Do] tim
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 Addressable RGB LED strip will be installed in each compartment to provide status feedback (tool checked in/out, compartments authorized after an NFC swipe). Addressable RGB LED strip will be installed in each compartment to provide status feedback (tool checked in/out, compartments authorized after an NFC swipe).
 +
 +===== User Interface =====
 +
 +There will be one NFC reader for the group of 8 lockers.
 +
 +  * Present token to the reader
 +  * Lockers that are authorized for the user will light up while others remain dark
 +  * User touches the handle (touch plate) of the locker they wish to open
 +  * Selected locker pops open. Other lockers deactivate (present token again to open another locker).
  
 ===== Use Cases ===== ===== Use Cases =====
Line 38: Line 47:
 ===== To Do ===== ===== To Do =====
  
 +  * Cabinet installation
 +    * One existing support leg will need to be removed from the workbench
 +      * Identify how to maintain the strength of the workbench (either a horizonal brace or transfer weight onto the cabinet)
   * Doors   * Doors
     * Identify appropriate size for the doors (compartments are 33x33cm so doors should be bigger)     * Identify appropriate size for the doors (compartments are 33x33cm so doors should be bigger)
Line 49: Line 61:
     * Create a spacer to mount the lock in the correct (repeatable) position     * Create a spacer to mount the lock in the correct (repeatable) position
     * Decide how to screw the lock into the KALLAX     * Decide how to screw the lock into the KALLAX
-    * Install wiring (use alarm cable and leave a tail at the back of the cabinet for connection to the electronics)+    * Install wiring 
 +      * for lock release, lock sensor, touch sensor and LED strip 
 +      * use alarm cable and leave a tail at the back of the cabinet for connection to the electronics
   * Electronics   * Electronics
     * Relay board and I2C expanders are on order     * Relay board and I2C expanders are on order
Line 56: Line 70:
     * Will be based on the door/tool controller software     * Will be based on the door/tool controller software
     * (plenty of changes required)     * (plenty of changes required)
 +
 +===== Parts =====
 +
 +| [[https://www.ikea.com/gb/en/products/storage-furniture/shelving-units-systems/kallax-shelving-unit-white-art-80275887/|KALLAX]] | |
 +| Acrylic sheets | |
 +| Cabinet hinges | |
 +| Touch plates | |
 +| Pop-rivets (for touch plates/lock) | |
 +| Locks (DSCK7267) | in stock |
 +| Touch sensors (TTP223) | in stock |
 +| 8-way 12V relay module | ordered |
 +| I2C expanders (PCF8574) | ordered |
 +| Wemos D1 Mini ESP8266 | in stock |
 +| 12V 3A power supply | |
 +| 12V->5V DC-DC converter | |
 +| WS2812 LED strip | |
  
toollockers.txt · Last modified: 2020-11-01 13:39 by al

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