PsychoPy version (e.g. 2024.2.4 Py 3.8): 2025.2.0 I want to send a signal with a serial out to Biopac for two types of situation : To signal the start and the end of a stimuli (video) –> I succed, wich means all my devices are working To signal each time a participant click on ‘h’. I think it isn…

Hello @mgrota Does this help? [image] EEG Response code via serial port Builder If this template helps then use it. If not then just delete and start from scratch. OS (e.g. Win10): PsychoPy version (e.g. 2024.2.4 Py 3.10): Standard Standalone Installation?…

Repeated serial out

Builder

JensBoelte January 21, 2026, 2:30pm 2

Hello @mgrota

Does this help?

Best wishes Jens

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Repeated serial out

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