https://github.com/hairmare/coffee-counter

https://github.com/hairmare/coffee-counter

Last synced: about 1 month ago
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• Host: GitHub
• URL: https://github.com/hairmare/coffee-counter
• Owner: hairmare
• Created: 2012-02-14T19:32:56.000Z (almost 13 years ago)
• Default Branch: master
• Last Pushed: 2012-02-14T21:04:28.000Z (almost 13 years ago)
• Last Synced: 2023-03-10T21:58:04.561Z (almost 2 years ago)
• Language: Java
• Homepage:
• Size: 89.8 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README

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README

        
Coffee Counter

**************

We want to replace our existing coffee machine tally sheet with some beautifully over-engineered DIY hard and software.

What we already have:

- PoC RFID Reader code

- RFID Reader

- 10 Transponders (more are 1.20 CHF each at zerko.ch)

- Serial Display (users gots to know)

- Distance Sensor (for RFID Reader activation purposes)

- Arduino

- Protoboard

What we need:

- SD Card interface (networkless setup & storage)

- project box (meethinks transparent)

- audio output module (.... yeah! maybe this: http://dshop.ch/osc/product_info.php?products_id=109624)

- speaker (ca. 50W 8Ohm)

Things to take in account:

- networkless -> sdcard sneakernetting

- how do we power the setup (accu vs. wall wart or even poe)

- autoprovisioning w/o name in display until next sneakersync

- keep redundant data ie. log to sdcard + counter for display

- physical undo button for erroneous tag reads