toollockers
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toollockers [2019-05-18 10:36] – tim | toollockers [2019-05-19 13:24] – [To Do] tim | ||
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===== Compartments ===== | ===== Compartments ===== | ||
- | Option: | + | We will purchase a [[https:// |
- | Option: We will purchase a KALLAX shelf from IKEA, and put wheels on it. The back will be closed with a sheet of wood. Compartment doors will be made from clear acrylic | + | Doors will be laser-cut |
- | Option: We will purchase a KALLAX shelf from IKEA. The back will be closed with a sheet of wood. Compartment doors will be made from clear acrylic or KALLAX door inserts will be used. The unit will be placed in G8 under the workbench | + | The unit will be placed in the workshop, |
===== 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