# Photo Interrupter Breakout Board - GP1A57HRJ00F

**Type:** Product page · **SKU:** BOB-09322 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/photo-interrupter-breakout-board-gp1a57hrj00f.html ([markdown](https://core-electronics.com.au/photo-interrupter-breakout-board-gp1a57hrj00f.html.md))

A simple breakout PCB for the GP1A57HR photo interrupter. This PCB has three connections for PWR, GND, and Signal.

## Pricing

- **Price:** $3.30 (inc GST) — $3.00 AUD, exc GST
- **Quantity discounts:** 5+ $2.91 (exc GST) · 25+ $2.85 (exc GST) · 100+ $2.73 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 17 and Aug 24.

## Description

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 220O (330O, works as well) current limiting resistor are listed below.

**Documents:**

- [Schematic](https://core-electronics.com.au/attachments/localcontent/PhotoInterrupter-Breakout-2_10014a70b2a.pdf)
- [Eagle Files](https://core-electronics.com.au/attachments/localcontent/PhotoInterrupter-Breakout-2_19396e78d42.zip)
- [GitHub](https://github.com/sparkfun/Photo_Interrupter_Breakout/tree/V_2.2) (Design Files)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/p/h/photo_interrupter_breakout_board_-_gp1a57hrj00f__bob-09322__01.jpg)