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'''Note: As of 2019 the talking timer has been removed from the darkroom by Sen.''' | |||
The darkroom at the lab has a custom talking timer which understands multi-step processes and talks so that it is easy to use even in darkness. | The darkroom at the lab has a custom talking timer which understands multi-step processes and talks so that it is easy to use even in darkness. | ||
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* Timer itself, located above the left side of the sink near the ceiling | * Timer itself, located above the left side of the sink near the ceiling | ||
** Raspberry Pi 2 | ** Raspberry Pi 2 | ||
** Adafruit LCD | ** Adafruit LCD Plate | ||
** Proto Plate with RS232 level shifter for barcode reader | |||
* Speaker above the timer | * Speaker above the timer | ||
* 2D barcode reader mounted on the shelf aimed at the wall | |||
* Control panel below the sink with the following controls: | * Control panel below the sink with the following controls: | ||
** Large green SELECT button | ** Large green SELECT button | ||
** Navigation left/right control | ** Navigation left/right control | ||
** Active/Standby toggle switch | ** Active/Standby toggle switch | ||
* Aztec Code barcodes on each process sheet, which contain all timing information | |||
== Instructions == | == Instructions == | ||
* Set the Active/Standby switch on the timer control panel to Active | * Set the Active/Standby switch on the timer control panel to Active | ||
* Scan the barcode for the process you want under the crosshairs that appear on the wall | * Scan the barcode for the process you want under the crosshairs that appear on the wall | ||
** Barcodes | ** Barcodes can be found on instruction sheets for each process that are hung up behind the door. | ||
* Double check that the timer is displaying the process you want to run, and press the big green SELECT button | * Double check that the timer is displaying the process you want to run, and press the big green SELECT button | ||
* The timer may ask if you want to adjust the time for specific steps. | * The timer may ask if you want to adjust the time for specific steps. | ||
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* To abort a step in progress, hold the SELECT button until you hear a buzzer. | * To abort a step in progress, hold the SELECT button until you hear a buzzer. | ||
To generate new barcodes, you can use the [http://htmlpreview.github.io/?https://github.com/ | == Other Information == | ||
To generate new barcodes, you can use the [http://htmlpreview.github.io/?https://github.com/sarahemm/darkroomtimer/blob/master/generator/timergen.html Darkroom Timer Barcode Generator] | |||
[[Category:Equipment]] | |||
[[Category:Deprecated]] | |||