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Simple 4 Cell AA Battery holder with 5" tinned leads
Drawstring lens opening offers easy access and a snug fit
Connector is regular SMA so don’t confuse it with 2
Can be attached to the 67mm lens or filter thread with screw mount
The harder you press
SparkFun Photo Interrupter Breakout Board - GP1A57HRJ00F Infrared Shock Kits Simple 4 Cell AA BatteryA 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 220? (330?, works as well) current limiting resistor are listed below. Documents: Schematic
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