Custom HA Uplink
Zocalo coffee shop migrated to digital registers with a solution from square. While these devices are able to process transactions off-line, some types of transactions need the square registers to be on-line. At the time the coffee shop had only one up-link provided by Comcast. Comcast was providing good service at the time, but with the increased demand for the registers to be on-line they needed higher availability.
Arduino + thermocouple + Perl + MySQL + Linux = EPA Compliance
Sara Ubelhart, Sole proprietor of, Zocalo coffee house roasts from an classic hand built roaster made by the San Franciscan Roaster Company. The roaster comes with , These features provide the data source for the roaster's Artisan deployment. The EPA requirement stated , "". To achieve this an additional thermocouple and current sensor was added to the afterburner.
RS232 + Linux + Artisan = DIY roast logging
Sara Ubelhart, sole proprieter of Zocalo coffee house roasts from an classic hand built roaster made by the san franciscan roaster company. As the roasting side of the business began to take off she was faced with the challenge of achieving consistent roasts profiles between staff roasting.