{"title":"SparkFun Photo Interrupter Breakout Board - GP1A57HRJ00F","handle":"sparkfun-photo-interrupter-breakout-board-gp1a57hrj00f","url":"/products/sparkfun-photo-interrupter-breakout-board-gp1a57hrj00f","description":"A simple breakout PCB for the GP1A57HR photo interrupter (also known as a photogate, photodiode, or phototransistor). This PCB has three connections for PWR, GND, and Signal.When the gate is clear, SIG will be high (&gt;4.9V). When the gate is blocked by a finger, writing utensil, food pellet, or anything else - SIG will go low (&lt;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.Documents:\nSchematic\nEagle Files\n\nGitHub (Design Files)\n","vendor":"SparkFun","product_type":"physical","in_stock":true,"options":[],"variants":[{"id":9786,"title":"Default Title","sku":"SF-BOB-09322","price":3.82,"on_sale":false,"in_stock":true,"available_quantity":189,"option1":"Default Title"}]}