# Infrared Proximity Sensor - Sharp GP2Y0A21YK

**Type:** Product page · **SKU:** SEN-00242 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/infrared-proximity-sensor-sharp-gp2y0a21yk.html ([markdown](https://core-electronics.com.au/infrared-proximity-sensor-sharp-gp2y0a21yk.html.md))

Infrared proximity sensor made by Sharp. Part # GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm. The sensor has a Japanese Solderless Terminal (JST) Connector. We recommend purchasing the related pigtail below or soldering wires directly to the back of the module.

## Pricing

- **Price:** $25.70 (inc GST) — $23.36 AUD, exc GST
- **Quantity discounts:** 5+ $22.66 (exc GST) · 25+ $22.20 (exc GST) · 100+ $21.26 (exc GST)

## Availability & dispatch

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

## Description

Infrared proximity sensor made by Sharp. Part # GP2Y0A21YK has an analog output that varies from 3.1V at 10cm to 0.4V at 80cm. The sensor has a Japanese Solderless Terminal (JST) Connector. Sparkfun recommend soldering wires directly to the back of the module.

**Documents:**

- [Datasheet](https://core-electronics.com.au/attachments/localcontent/GP2Y0A21YK_711243879ac.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/i/n/infrared_proximity_sensor_-_sharp_gp2y0a21yk__sen-00242__01.jpg)