Contact
Sponsors
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|---|---|---|---|---|
| Day | Events | |||
| 05/14 Tuesday | 1930 - meetup | |||
| 05/16 Thursday | 2000 | |||
| 05/18 Saturday | 1300 Stavba optického spektrometru 5. rocnik souteze robotem rovne | |||
| 05/19 Sunday | ||||
| Day | Events | |||
| brmBar | |
|---|---|
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| founder: | brmlab collective |
| depends on: | |
| interested: | pasky |
| software license: | |
| hardware license: | |
| status: | active |
Brmbar is our tiny drinks, snacks, electronics, t-shirts stash. Anyone can put things into brmbar or buy stuff; visitors for cash, members can use a simple credit system.
Status: brmbar-v3.0 is up and running, implemented in Python (with cleanly separated backend classes), Qt-Declarative and PostgreSQL. Some TODO items remain, but it should be usable for day-to-day operation.
Documentation: README - USAGE (in Czech)
Development: Sources @ github - SQL schema - Architecture and object model
ssh -At nat.brmlab.cz -L5900:brmbar.brm:5900 ssh brmlab@brmbar.brm x11vnc
crontab -l 00 3 * * * /home/zalohovac/zalohuj_brmbar.sh
#!/bin/bash BACKUP_DIR="${HOME}/ZALOHY/" ssh -t -t brmbar.brm -l brmlab 'su - postgres -c pg_dumpall' > ${BACKUP_DIR}brmbar-`date +%F-%T`.sql ls -l ${BACKUP_DIR}
Short version history:
v1.0 → v3.0 transition ultimately happenned on 2012-10-16.
Draft database schema and process classification (inspiration, but implemented with modifications):
Brmbar je malé zařízení, které slouží k účtování či zjištování položek v brmBaru.
Je založeno na:
Status: nedokončeno
Doteď brmbar obstarává stařičké tabletpc s DOSem. Zásadní nevýhoda je klesající spolehlivost zařízení a offline provoz, tzn. žádné zálohy stavu kreditu a sledování množství zboží.
| No. | description | datasheet | one piece price | sum |
| 1x | Arduino MEGA 2560 | 780kc | 780kc | |
| 1x | SD card adapter | 50Kc | 50kc | |
| 1x | Display 320×240 - fired | 1000Kc | - | |
| 1x | BarCode Reader | storeRoom | storageRoom | |
| 1x | 7segment display | 0kc | 0kc | |
| 3x | 74hc595 | 7kc | 20kc | |
| 1x | bredboard | - | - | |
| 1x | Ethernet shild for arduino | | |
|
| 1x | Display 20×4 or 320×240 | | |
|
| sum | 1850kc |