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created: 2026-09-02T10:20:00
Index: Glitch
tags:
  - project
source:
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# Optical Interrupt Switch for {game}
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Datasheet for Slotted Optical Switch
https://www.ttelectronics.com/TTElectronics/media/ProductFiles/Datasheet/OPB610-611-620-621.pdf

4 wires going out of the board they are on:
- Red - power, at least 2v to see anything happen, not sure of optimal range.
- Black - GND
- White - data out for 1 of the sensors
	- Although there is a difference in voltage state of this wire when the sensor is triggered, it is a very low difference.
	- When powered by 3.3V, it goes from 80mV to 240mV
- Green - data out for the other sensor
	- This wire has a much bigger voltage difference when the sensor is triggered. 
	- When powered by 3.3V, it goes from 1.92 to 3.32
![[OpticalSwitchVoltageDifferences.jpeg]]

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