← The LEGO Parts Guide › Electronics › NXT & EV3 › Sensors & Accessories

NXT Light Sensor (Part 55969)

2006-2013RETIRED

Custom LEGO part images © 2014-2026 Brick Architect LLC.

External Links

LEGO parts are described differently on other websites and may use different part numbers.

Bricklink:
55969 Electric Sensor, Light - NXT
Rebrickable:
55969 Sensor, Light, NXT
Brickset:
55969 Lightsensor assambled
LDraw:
55969 Electric Mindstorms NXT Light Sensor
 ALL YEARS
OVERALL RANK
6373
# PIECES
4(RANK: 6363)
# SETS
4(RANK: 5673)
# COLORS
1(RANK: 6831)

Ranking based on buying one copy of every LEGO set, counting the number of sets containing each part, then sorting by part and color.

Overall Rank is a weighted score combining the number of parts, sets, and colors produced.

Printable LEGO Brick Label

Requires a compatible Brother Label Printer — learn more at brickarchitect.com/labels.

NXT Light
Sensor
55969
.LBX

New Label! Not included in legacy LEGO Brick Labels collection.

NXT Light
Sensor
55969
.LBX

Small QR codes are hard to scan with some devices.

Date Added: 2026-09-25 01:33:49
Date Modified: 2026-09-25 01:34:23

The LEGO Parts Guide is a work in progress

This is a handcrafted experience to help you browse LEGO parts in a simpler way. If you have ideas to make it better or encounter any issues, please send me an email at tom@tomalphin.com — Thanks!

Check out the About the LEGO Parts Guide page to learn more about why I created this guide. It also includes a detailed version history with images of early prototypes of this guide.


Support the LEGO Parts Guide

The LEGO Parts Guide is an extension of my LEGO Brick Labels project. If you want to support this project and gain access to behind-the-scenes updates, consider supporting the project at patreon.com.

The LEGO® Parts Guide. © 2026 Brick Architect LLC.
Content and design by Tom Alphin. Use of this content without permission is prohibited.
brickarchitect.com

Brick Architect earns a commission from qualifying purchases at partner sites such as LEGO.com and Amazon. (For a complete list of affiliate programs, visit About Brick Architect.)

LEGO® is a trademark of the LEGO Group which does not sponsor, authorize or endorse this site. As a member of the Recognized LEGO® Fan Media program, we abide by the LEGO Fair Play and Novelty policies by not sharing leaked photos of unreleased sets.

This guide uses external data from Rebrickable, BrickLink, Brickset, and LDraw.