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LEGO NXT Light Sensor set 9844

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No. 9844

NXT

NXT Light Sensor

The NXT Light Sensor is a crucial component for expanding the capabilities of your LEGO MINDSTORMS robots.

Time on the shelf Retired

Released Jan 2006

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Before you buy

Who it's for
Beginner build Ideal for anyone expanding their LEGO MINDSTORMS capabilities.
Build
1 pieces · about 0.2 hours Build time is an estimate.
Cost
Budget Next to other LEGO sets. Check the store for today's price.
Availability
Retired at LEGO
★★★☆☆ 3.8 AI-generated review score, not a customer rating

Owners appreciate the NXT Light Sensor for expanding the capabilities of their MINDSTORMS robots, but some note that it's an older sensor and may be less precise than newer models. Its value is primarily for those invested in the NXT platform.

📝 Our Take

The NXT Light Sensor is a crucial component for expanding the capabilities of your LEGO MINDSTORMS robots. This sensor allows your creations to interact with their environment in new and exciting ways by detecting light intensity and differentiating between colors.

This set is perfect for LEGO enthusiasts and educators interested in robotics and programming. It adds a new layer of interaction to MINDSTORMS projects, enabling robots to follow lines, react to changes in lighting, and more.

Skip this if you are not invested in the LEGO MINDSTORMS ecosystem. This sensor is a specialized component that requires the NXT Intelligent Brick to function, so consider other LEGO themes if robotics isn't your focus.

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Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the NXT Light Sensor - building tips, investment potential, comparisons, or anything else!
Try asking:
How does the NXT Light Sensor compare to newer LEGO light sensors? What are some creative ways to use the Light Sensor in MINDSTORMS projects? Is the NXT Light Sensor still compatible with newer MINDSTORMS platforms? How can I calibrate the Light Sensor for accurate readings?

🧱 Building Experience

🧩
1
Pieces
⏱
0.15h
Estimated Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Simple integration with NXT Intelligent Brick
  • Allows for light intensity detection
  • Enables robots to react to their environment
  • Enhances programming possibilities

📈 Investment Analysis

↓ Price declining
C
Investment Grade
Retired
As a retired LEGO MINDSTORMS component, the NXT Light Sensor could hold some value for collectors and robotics enthusiasts looking to complete their sets or replace damaged parts. However, its investment potential is limited by its specific use case and the availability of newer, more advanced sensors in subsequent MINDSTORMS generations. The falling price trend suggests caution, as demand may not be strong enough to drive significant appreciation.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

📖 About This Set

Detect light intensity!

The Light Sensor assists in helping your robot to "see." Using the NXT Brick (sold separately), it enables your robot to distinguish between light and dark, as well as determine the light intensity in a room or the light intensity of different colors.

  • Includes 1 Light Sensor.
  • Does not include connector cable.
  • This is the individual component, and does not include the NXT Intelligent Brick, software or any accessories. It requires the complete LEGO® MINDSTORMS® NXT set (#8527 or #8547) for use.

Electric Sensor

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Compared to newer LEGO light sensors, the NXT Light Sensor may lack some of the advanced features and precision. However, it remains a functional and valuable component for legacy MINDSTORMS projects. Consider newer sensors if you are starting fresh, but this one is good for expanding an existing NXT setup.

📦 Parts Inventory

Official piece count
1
Parts cataloged in this inventory
1 unique parts, 1 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

This set contains a single, specialized sensor in Very Light Bluish Gray. While not particularly useful for general MOC building, it's essential for specific MINDSTORMS projects.

🛒 Where to Buy

eBay
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💎 Notable Parts

Very Light Bluish Gray Sensor, Light, NXT (1x)

💡 MOC Potential

🤖 Advanced light-seeking robot
🚗 Autonomous vehicle with light-based navigation
🌳 Interactive plant monitoring system

More LEGO guides

From the community

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 8 videos

3.0/5

Mixed

0% positive

BlockTalk summary

YouTube reviews of the NXT Light Sensor (9844-1) are predominantly neutral, focusing on demonstrations and basic functionality. Reviewers like NXGirT showcase sensor tests, while Lego Works provides tutorials on using NXT light sensors with EV3 software, indicating a focus on educational content rather than opinionated reviews.

YouTube thumbnail: 2013 Lego Star Wars Clone Trooper vs Droidekas Review 75000 2013 Lego Star Wars Clone Trooper vs Droidekas Review 75000 Krisproductions · 35.5K views Comparison YouTube thumbnail: Use NXT light sensors with EV3 software Use NXT light sensors with EV3 software Lego Works · 13.5K views Review YouTube thumbnail: Lego Basics and More - Introduction to the Lego Mindstorms Light Sensor (video 1 or 4) Lego Basics and More - Introduction to the Lego Mindstorms Light Sensor (video 1 or 4) CEISMC Video · 3.3K views Review

Community insights from Reddit discussions and YouTube reviews. Content may not reflect official LEGO positions.

Community Sentiment

Based on 8 YouTube reviews

Reddit

Not enough Reddit data

YouTube

3.0/5

Mixed

0% positive

Positive
0
Mixed
8
Critical
0

BlockTalk analysis

YouTube reviews of the NXT Light Sensor (9844-1) are predominantly neutral, focusing on demonstrations and basic functionality. Reviewers like NXGirT showcase sensor tests, while Lego Works provides tutorials on using NXT light sensors with EV3 software, indicating a focus on educational content rather than opinionated reviews.

Sentiment analysis based on community discussions. Scores reflect overall opinion trends.

What the Community Says

3 YouTube reviews

BlockTalk summary

NXGirT's video shows a 'built-in program port test' of the sensor. CEISMC Video offers an introduction to the Mindstorms Light Sensor, suitable for beginners. Krisproductions reviews a Clone Trooper set and this video does not include the requested product.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

3 videos
YouTube thumbnail: 2013 Lego Star Wars Clone Trooper vs Droidekas Review 75000 2013 Lego Star Wars Clone Trooper vs Droidekas Review 75000 Krisproductions · 35.5K views Comparison YouTube thumbnail: Use NXT light sensors with EV3 software Use NXT light sensors with EV3 software Lego Works · 13.5K views Review YouTube thumbnail: Lego Basics and More - Introduction to the Lego Mindstorms Light Sensor (video 1 or 4) Lego Basics and More - Introduction to the Lego Mindstorms Light Sensor (video 1 or 4) CEISMC Video · 3.3K views Review

Community content: these reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Inventory Statistics

Inventory version 1

1 Unique Parts

1 Official Piece Count

1 Cataloged Inventory Pieces

0 Minifigures

Missing a piece? Use the Missing Piece Checker.

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