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README.md

Frame2TTL

Hardware and software to capture discrete pixel intensity transitions from a small patch of an LCD screen. Transitions are reported as 5V TTL pulses. This device is used to provide ground-truth measurements of frame onset times in visual stimulus presentation (e.g. with PsychToolbox; http://psychtoolbox.org/ ).

The bill of materials and other documentation is available at: https://sites.google.com/site/frame2ttl

Frame2TTL is a product of Sanworks LLC, licensed under GPL v3.0 (see included license) http://sanworks.io

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Hardware and software to capture discrete pixel intensity transitions from an LCD screen

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