This is the bare breakout PCB for the GP1A57HR photo interrupter which will detect objects that block the light between its uprights. The board has connections for power, ground and signal. The photo interrupter and resistors are not included. See the related products below.
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Our Code: SKU-000381
Supplier Link: [SparkFun MPN:9322]
A simple breakout PCB for the GP1A57HR photo interrupter. This PCB has three connections for PWR, GND, and Signal.
When the gate is clear, SIG will be high (>4.9V). When the gate is blocked by a finger, writing utensil, food pellet, or anything else - SIG will go low (<0.4V).
Assembled picture is for reference only, board comes bare; photo interrupter and the 220Ω (330Ω, works as well) current limiting resistor are listed below.
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