Schematic for mini-stimulator unit

mouse_stimulator                   overlay_bb

I designed an Arduino-based stimulus device to present visual cues to a mouse undergoing an imaging experiment. The unit features the following:
1) TTL output to trigger image acquisition at trial start
2) user push button to pause experiment
3) stimulus brightness adjustable in code via digital potentiometer
4) LCD displays status of experiment

Next up: code including I2C control of digital pot.

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