toollockers
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toollockers [2019-01-24 16:29] – tim | toollockers [2019-05-19 13:24] – [To Do] tim | ||
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====== NFC-enabled Tool Lockers ====== | ====== NFC-enabled Tool Lockers ====== | ||
+ | |||
+ | See also [[https:// | ||
We have portable tools that require training before use, or which are valuable and at risk of being borrowed or stolen. The proposed solution is to create individual lockable compartments operated by our existing NFC tokens. | We have portable tools that require training before use, or which are valuable and at risk of being borrowed or stolen. The proposed solution is to create individual lockable compartments operated by our existing NFC tokens. | ||
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===== Compartments ===== | ===== Compartments ===== | ||
- | Option: | + | We will purchase a [[https:// |
- | Option: We will purchase a KALLAX shelf from IKEA. This can mounted to a wall or left floor-standing. The back will be closed | + | Doors will be laser-cut |
+ | |||
+ | The unit will be placed in the workshop, under the workbench where the small bench grinder/ | ||
===== Mechanical ===== | ===== Mechanical ===== | ||
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===== Electronics ===== | ===== Electronics ===== | ||
- | A single controller will operate a group of lockers. | + | A single controller will operate a group of 8 lockers. |
- | I2C expanders and relays will be mounted on stripboard for the interface to the locks and sensors. | + | * to interface to an 8-way relay board to control |
+ | * to interface to the touch sensors | ||
+ | * to interface to the lock closure | ||
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 ===== | ||
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* Good quality measurement tools (calipers, micrometers) | * Good quality measurement tools (calipers, micrometers) | ||
* Hand tool kits with easily lost parts | * Hand tool kits with easily lost parts | ||
+ | |||
+ | ===== 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 | ||
+ | * Identify appropriate size for the doors (compartments are 33x33cm so doors should be bigger) | ||
+ | * See if a better source of laser acrylic can be found (Hobarts sizes may be wasteful for this) | ||
+ | * Select hinges | ||
+ | * Design door layout: | ||
+ | * Rounded corners | ||
+ | * Holes for selected hinges | ||
+ | * Holes for mounting lock and touch sensor plate | ||
+ | * Lock assembly | ||
+ | * Create a spacer to mount the lock in the correct (repeatable) position | ||
+ | * Decide how to screw the lock into the KALLAX | ||
+ | * 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 | ||
+ | * Relay board and I2C expanders are on order | ||
+ | * ... | ||
+ | * Software | ||
+ | * Will be based on the door/tool controller software | ||
+ | * (plenty of changes required) | ||
+ | |||
+ | ===== Parts ===== | ||
+ | |||
+ | | [[https:// | ||
+ | | Acrylic sheets | | | ||
+ | | Cabinet hinges | | | ||
+ | | Touch plates | | | ||
+ | | Pop-rivets (for touch plates/ | ||
+ | | 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