Why it matters
What it tends to unlock
Perception, mapping, detection, and safer motion decisions, cleaner autonomy loops when the robot needs environmental context, and higher-quality data for navigation, manipulation, or monitoring.
Sensor
Single normalized label
Carpet Detection
Carpet Detection appears across 2 tracked robots, concentrated in Cleaning. Use this page to understand why the signal matters, who relies on it most, and which live profiles deserve the first comparison click.
Tracked robots
2
Ready now
2
Manufacturers
2
Public prices
1
What to verify
Do not stop at the label
Coverage, placement, and how the sensor performs in messy conditions, what decisions actually rely on the sensor versus backup systems, and whether the label signals depth, proximity, or full-scene understanding.
Coverage
1 category
The heaviest concentration is in Cleaning (2). Top manufacturers include Narwal (1) and SwitchBot (1).
Research brief
Research first. Sweep the roster second.
The useful questions here are how common Carpet Detection really is, which robot classes depend on it, and which live profiles are worth opening before you compare the whole stack.
Verified 30d
1
2 in the last 90 days
Top category
Cleaning
2 tracked robots
Paired most often with
Cliff Sensors, AI obstacle avoidance, smart room mapping, autonomous scheduling, and Amazon Alexa
Market snapshot
Category concentration, manufacturer repetition, and the strongest adjacent signals.
Dense inventory
Featured first clicks up top, then the full scannable robot table below.
Browse the full Sensor layer
Open the workbench when this one component is too narrow for the decision.
Compare the clearest profiles
Use the strongest ready-now matches as the fastest comparison anchor.
Decision brief
What matters before you compare implementations
Where it helps most
- perception, mapping, detection, and safer motion decisions
- cleaner autonomy loops when the robot needs environmental context
- higher-quality data for navigation, manipulation, or monitoring
What to validate
- coverage, placement, and how the sensor performs in messy conditions
- what decisions actually rely on the sensor versus backup systems
- whether the label signals depth, proximity, or full-scene understanding
Evidence basis
What this route is grounded in
- Aggregated from each robot's `specs.sensors` field in ui44 data.
Source pack
Official reference links
Market snapshot
Use the structure first: which categories lean on Carpet Detection, which manufacturers repeat it, and what usually ships beside it.
Lead category
Cleaning
2 tracked robots currently anchor this label.
Most repeated manufacturer
Narwal
1 tracked robots make this the clearest manufacturer-level signal on the route.
Most common adjacent signal
Cliff Sensors
2 shared robots pair this component with Cliff Sensors.
Top categories
| # | Name | Usage |
|---|---|---|
| 1 | Cleaning | 2 robots |
Commonly paired with Carpet Detection
| # | Name | Shared robots |
|---|---|---|
| 1 | Cliff Sensors | 2 robots |
| 2 | AI obstacle avoidance, smart room mapping, autonomous scheduling | 1 robot |
| 3 | Amazon Alexa | 1 robot |
| 4 | Bluetooth | 1 robot |
| 5 | D-tof LiDAR | 1 robot |
| 6 | Dual 1080p RGB Cameras (136° FOV) | 1 robot |
How to read the market
Structure first, prose second.
Category concentration tells you where the component is actually doing work, manufacturer repetition shows whether the signal is market-wide or vendor-specific, and pairings reveal which neighboring technologies usually ship alongside it.
At a glance
Kind
Sensor
Tracked robots
2
Ready now
2
Public prices
1
Official sources
2
Variants normalized
1
Robot directory · Carpet Detection
The old card wall is replaced with a featured first-click strip and a dense inventory table so the route behaves like a serious directory.
Directory briefing
Featured first, dense sweep second.
Open the clearest profiles first, then sweep the full inventory in a denser table. Featured cards are selected by readiness, image quality, and official source availability, so the first click is usually the most informative one.
Ready now
2
Public price
1
Official links
2
Featured now
2
How to scan this directory
Use the shortest credible path through the roster.
- Featured cards: start with the strongest documented profiles to understand real implementation quality fast.
- Inventory table: sweep the whole market once you know which profiles deserve serious comparison.
- Compare intent: use status, official links, and standout specs before treating the label itself as proof.
Best first clicks
Open these before sweeping the full inventory
These robots score highest on readiness, public detail quality, and image clarity, making them the fastest way to understand how Carpet Detection shows up in practice.
Available
Cleaning
SwitchBot
Since 2025
K20+ Pro
SwitchBot's modular home robot, unveiled at CES 2025 and shipping since mid-2025. At its core is a compact robot vacuum, but what sets the K20+ Pro apart is its FusionPlatform — a wheeled circular base that clips onto the vacuum via a mechanical ClawLock system. The platform can carry up to 8 kg and accepts various SwitchBot accessories: a pan/tilt security camera for mobile home monitoring, an air purifier for room-to-room filtration, a circulator fan, or even a cordless stick vacuum. It also supports third-party devices via USB-C power ports, and SwitchBot encourages 3D-printed custom attachments. The robot navigates with D-ToF LiDAR and dual laser sensors for centimeter-level obstacle avoidance. It works with Alexa, Google Assistant, Siri Shortcuts, and Matter-compatible smart home setups. Rather than trying to build a humanoid, SwitchBot took a practical approach: make existing home devices mobile.
Public price
$699
From $699.99 (base kit); bundles up to…
Battery
Not officially disclosed
Charge Not officially disclosed
Shortlist read
Shipping now with public pricing visible.
Image pending
Cleaning · Narwal
Available
Cleaning
Narwal
Since 2026
Flow 2
Narwal's 2026 flagship robot vacuum and mop, unveiled at CES 2026 and released April 2026. The Flow 2 introduces the Narmind Pro Autonomous System, pairing dual 1080p RGB cameras (136° field of view) with Narwal's Omni Vision AI — a visual-language-action (VLA) model branded NarGPT — for real-time object recognition and adaptive avoidance behavior. The robot adjusts its clearance distance based on perceived risk, cleaning within 1 cm of walls while giving pet waste a wide berth. A track-style FlowWash roller mop with an extendable pad scrubs close to baseboards and cabinetry, using onboard water heated to 140°F (60°C). Suction increases to 31,000 Pa (up from 22,000 Pa on the original Flow) and battery capacity grows to 7,000 mAh. The redesigned base station offers 158°F (70°C) heated mop washing, a boiling-water self-cleaning cycle, and a reusable dust bag rated for up to 120 days of capacity. It comes in both standalone-tank and plumbed-in configurations. Unique family-focused features include pet location scanning via the onboard cameras, automatic deep-cleaning of pet-active zones, a baby mode that switches to ultra-quiet operation near cribs, toy recognition with reminders, and a Smart Valuables Guard that alerts when jewelry, keys, or phones are detected on the floor.
Public price
Price TBA
Not yet officially disclosed;…
Battery
7,000 mAh battery (up from 6,400 mAh on original Flow)
Charge Not officially disclosed
Shortlist read
Shipping now; pricing still needs vendor confirmation.
Full inventory · 2 robots
Compact mobile scan: status, price, standout context, and links stay visible without sideways scrolling.
Quick answers
FAQ
The short version of what this label means in the ui44 catalog, where it matters, and how to compare it without over-reading the marketing copy.
Frequently Asked Questions
How common is Carpet Detection in the database?
Carpet Detection currently appears on 2 tracked robots across 2 manufacturers. That makes this route useful for both deep research and fast shortlist scanning, not just one-off editorial reading.
Which robot categories lean on Carpet Detection the most?
The strongest concentration is in Cleaning (2). Category mix is the fastest clue for whether this component behaves like baseline plumbing or a more selective differentiator.
Does Carpet Detection usually show up on ready-to-buy robots?
2 of the 2 tracked profiles are currently marked Available or Active. That means the label has live market relevance here, but you should still open the profiles with public pricing or official links first before treating it as a clean buyer signal.
What should I compare first on this page?
Start with readiness, official source quality, and the standout spec column in the inventory table. On component routes, those three signals usually remove weak profiles faster than reading every descriptive paragraph.
What usually ships alongside Carpet Detection?
The strongest shared-stack signals here are Cliff Sensors (2), AI obstacle avoidance, smart room mapping, autonomous scheduling (1), and Amazon Alexa (1). Use those pairings to branch into adjacent component pages when one label is too narrow for the decision.
Are there enough public price points to benchmark this component?
1 matching robots currently expose public pricing. That is enough to create directional context, but not enough to treat one price bracket as the whole market. Use the directory to find the transparent profiles first, then widen the sweep.
Which manufacturers are worth opening first?
Start with Narwal (1) and SwitchBot (1). Repetition across manufacturers is often the clearest signal that the component is part of a stable market pattern rather than a one-off marketing callout.
Reference library
The original long-form component research is still here, but collapsed so the main route can prioritize hierarchy and scan speed.
Fundamentals
The baseline explanation of what Carpet Detection is, why it matters, and how to think about it before comparing implementations.
Fundamentals
The baseline explanation of what Carpet Detection is, why it matters, and how to think about it before comparing implementations.
What Is Carpet Detection?
Carpet Detection is a sensor component found in 2 robots tracked in the ui44 Home Robot Database. As a sensor technology, Carpet Detection plays a specific role in enabling robot perception, interaction, or operation depending on its implementation in each platform.
At a Glance
Sensors are the perceptual backbone of any robot. They convert physical phenomena — light, sound, distance, motion, temperature — into digital signals that the robot's AI can process and act upon.
Key Points
- Convert physical phenomena into digital signals
- Enable obstacle detection, navigation, and object recognition
- Without sensors, a robot cannot interact safely with its environment
In the ui44 database, Carpet Detection is categorized under Sensor components. For a comprehensive explanation of all component types, consult the components glossary.
Why Carpet Detection Matters in Robotics
The sensor suite is one of the most important differentiators between robots. Robots with richer sensor arrays can navigate more complex environments, avoid obstacles more reliably, and perform more nuanced tasks.
Directly impacts what a robot can actually do in practice — not just on paper
Richer sensor arrays enable more complex navigation and interaction
Determines obstacle avoidance reliability and object/person recognition
Carpet Detection Adoption
Used in 2 robots across 1 category — Cleaning, indicating targeted adoption across the robotics industry.
How Carpet Detection Works
Modern robot sensors work by emitting or detecting various forms of energy. The robot's processor fuses data from multiple sensors simultaneously (sensor fusion) to build a coherent understanding of its surroundings.
1
Active sensors
LiDAR and ultrasonic emit signals and measure reflections to determine distance and shape
2
Passive sensors
Cameras and microphones detect ambient light and sound without emitting anything
3
Sensor fusion
The processor combines data from all sensors simultaneously for a coherent environmental picture
Carpet Detection Integration
Implementation varies by robot platform and manufacturer. Each robot integrates Carpet Detection differently depending on system architecture, use case, and target tasks. Integration with other onboard sensors and the main processing unit determines real-world performance.
Technical notes and use cases
Deeper technical framing, matched technology profiles, and the longer use-case treatment for Carpet Detection.
Technical notes and use cases
Deeper technical framing, matched technology profiles, and the longer use-case treatment for Carpet Detection.
Carpet Detection: Technical Deep Dive
Beyond the high-level overview, understanding the technical foundations of sensor technologies like Carpet Detection helps buyers and researchers evaluate implementations more critically.
Engineering Principles
Every sensor converts a physical quantity into an electrical signal that can be digitized and processed. The raw analog output is conditioned through amplification, filtering, and A/D conversion before reaching the processor.
- Optical sensors use photodiodes or CMOS arrays to detect photons
- Acoustic sensors use piezoelectric elements to detect pressure waves
- Inertial sensors use MEMS to detect acceleration and rotation
- Range sensors use time-of-flight or structured light for distance measurement
Performance Characteristics
Sensor performance involves key metrics with inherent engineering trade-offs.
Accuracy
How close the reading is to the true value
Precision
Consistency across repeated measurements
Resolution
Smallest detectable change in measurement
Sampling rate
Reading frequency — critical for fast-moving robots
Field of view
Spatial coverage area of the sensor
Technological Evolution
Sensor technology in robotics has evolved dramatically over the past decade.
Early home robots relied on simple bump sensors and infrared proximity detectors
Today's platforms incorporate multi-spectral cameras, solid-state LiDAR, and millimeter-wave radar
Miniaturization: sensors that filled circuit boards now fit into fingernail-sized packages
Next frontier: sensor fusion at the hardware level — multiple sensing modalities in single chip-scale packages
Known Limitations
No sensor is perfect in all conditions. Understanding limitations is critical for evaluating robots in specific environments.
- Optical sensors struggle in direct sunlight or complete darkness
- LiDAR can be confused by mirrors, glass, and highly reflective surfaces
- Ultrasonic sensors may produce false readings in complex acoustic environments
- Dust, fog, rain, and temperature extremes can degrade performance
Use Cases & Applications for Carpet Detection
Key application domains for sensor technologies like Carpet Detection.
Autonomous Navigation
Sensors enable robots to build maps of their environment, detect obstacles in real time, and plan collision-free paths. This is essential for both indoor robots (navigating furniture and doorways) and outdoor robots (handling terrain variations and weather conditions). The quality and coverage of the sensor array directly determines how reliably a robot can navigate without human intervention.
Object Recognition & Manipulation
Advanced sensors allow robots to identify objects by shape, color, and texture, enabling tasks like picking up items, sorting packages, or recognizing faces. Depth-sensing technologies are particularly important for calculating object distances and sizes, which is necessary for precise manipulation in both home and industrial settings.
Safety & Collision Avoidance
In environments shared with humans, sensors provide the critical safety layer that prevents robots from causing harm. Proximity sensors, bumper sensors, and vision systems work together to detect people and obstacles, triggering immediate stop or avoidance maneuvers. This is a fundamental requirement for any robot operating in homes, hospitals, or public spaces.
Environmental Monitoring
Sensors can measure temperature, humidity, air quality, and other environmental parameters. Robots equipped with these sensors can perform automated monitoring rounds in warehouses, data centers, or homes, alerting users to abnormal conditions like water leaks, temperature spikes, or poor air quality.
Human-Robot Interaction
Microphones, cameras, and touch sensors enable natural interaction between robots and humans. These sensors allow robots to recognize voice commands, detect gestures, respond to touch, and maintain appropriate social distances during conversations or collaborative tasks.
32 Capabilities Across 2 robots
31,000 Pa Suction
Vacuuming and Mopping
FlowWash Track-Style Roller Mop
140°F (60°C) Heated Onboard Mopping Water
Extendable Mop Pad for Edge Cleaning
Dual-Flow Tangle-Free Brush
Narmind Pro Navigation with Dual RGB Cameras
Adaptive Risk-Based Obstacle Avoidance
Pet Location Scanning and Pet Zone Deep Clean
Smart Pet Companion Mode (video call, voice packs)
Baby Mode (auto-quiet near cribs, toy detection)
Smart Valuables Guard (jewelry, keys, phone alerts)
Auto Mop Washing (158°F / 70°C heated water)
Boiling-Water Self-Cleaning Sterilization Cycle
Reusable Dust Bag (up to 120-day capacity)
Auto Water Refilling and Drainage
+16 more
Visit each robot's detail page to see which capabilities are available on specific models.
Market breakdown and adjacent routes
Manufacturer mix, specs context, price context, category overlap, and adjacent components worth branching into next.
Market breakdown and adjacent routes
Manufacturer mix, specs context, price context, category overlap, and adjacent components worth branching into next.
Carpet Detection by Manufacturer
Carpet Detection is used by 2 manufacturers — showing how widely this technology is deployed across the industry.
Specifications Comparison: Robots With Carpet Detection
Side-by-side comparison of all 2 robots using Carpet Detection.
Carpet Detection Across Robot Categories
Carpet Detection spans 1 robot category — from consumer to research platforms.
Technologies most often paired with Carpet Detection across 2 robots.
Cliff Sensors
100%
Dual 1080p RGB Cameras (136° FOV)
50%
Narmind Pro Autonomous System
50%
Omni Vision AI (VLA model / NarGPT)
50%
Wi-Fi
50%
Narwal App (iOS / Android)
50%
Narmind Pro with Omni Vision AI (VLA model); unlimited object recognition via on-device processing and cloud learning; adaptive risk-based obstacle avoidance
50%
D-ToF LiDAR
50%
Dual Laser Sensors
50%
Wi-Fi (2.4GHz / 5GHz)
50%
Bluetooth
50%
Matter (via SwitchBot Hub)
50%
Amazon Alexa
50%
Google Assistant
50%
Siri Shortcuts
50%
Browse the full components directory or see the components glossary for detailed explanations of each technology.
Price Context for Robots With Carpet Detection
1 of 2 robots with Carpet Detection have public pricing, ranging $699 – $699. 1 robot use custom or enterprise pricing.
Lowest
$699
K20+ Pro
Average
$699
1 robot with pricing
Highest
$699
K20+ Pro
Alternatives to Carpet Detection
561 other sensor technologies tracked in ui44, ranked by adoption.
IMU
32 robots
Cliff Sensors
18 robots · 2 also use Carpet Detection
LiDAR
17 robots
Force/Torque Sensors
15 robots
Vision System
13 robots
RGB Camera
10 robots
3D LiDAR
8 robots
Force Sensors
8 robots
Browse all Sensor components or use the robot comparison tool to evaluate how different sensor configurations perform across specific robot models.
Carpet Detection in the Broader Robotics Industry
The robotics sensor market is one of the fastest-growing segments in the broader sensor industry. As robots move from controlled industrial environments into unstructured home and commercial spaces, the demands on sensor technology increase dramatically.
Key Industry Trends
Multi-modal sensing
Robots combine multiple sensor types (vision, depth, tactile, inertial) to build comprehensive environmental understanding
Miniaturization
Sensors that once occupied entire circuit boards now fit into fingernail-sized packages, making advanced sensing affordable for consumer robots
Edge AI integration
AI processing directly in sensor modules enables faster perception without cloud latency
Industry Adoption Snapshot
Carpet Detection is adopted by 2 robots from 2 manufacturers in the ui44 database, providing a data-driven view of real-world deployment patterns.
Certifications & Standards
FCC
Certifications carried by robots incorporating Carpet Detection, indicating compliance with safety, EMC, and quality standards.
Integration & Ecosystem Compatibility
Platform compatibility, voice integration, and AI capabilities across robots with Carpet Detection.
Platform Compatibility
Narwal App (iOS / Android)SwitchBot AppAmazon AlexaGoogle HomeApple Siri ShortcutsMatter (via Hub)
Voice Platforms
Buyer and operations guidance
The long-form buyer, maintenance, and troubleshooting material kept available without forcing it into the main scan path.
Buyer and operations guidance
The long-form buyer, maintenance, and troubleshooting material kept available without forcing it into the main scan path.
Buyer Considerations for Carpet Detection
If Carpet Detection is an important factor in your robot selection, here are key considerations to guide your decision.
What to Look For in Sensor Components
Coverage area
Does the sensor array provide 360° awareness or only forward-facing detection?
Range
How far can the robot sense obstacles or objects?
Resolution
How detailed is the sensor data for recognition tasks?
Redundancy
Are there backup sensors if one fails?
Serviceability
Are sensors user-serviceable or require manufacturer maintenance?
How to Evaluate Carpet Detection
Integration Quality
A component is only as good as its integration. Check how the manufacturer has incorporated Carpet Detection into the overall robot design and software stack.
Complementary Components
Review what other sensor technologies are paired with Carpet Detection in each robot — see the related components section.
Category Fit
Make sure the robot's category matches your use case. Carpet Detection serves different roles in different robot types.
Manufacturer Track Record
Consider the manufacturer's reputation for software updates, support, and component reliability.
Compare Before You Buy
Use the ui44 comparison tool to evaluate robots with Carpet Detection side by side.
Maintenance & Longevity: Carpet Detection
Overview
Sensors are among the most maintenance-sensitive components in a robot. Their performance can degrade over time due to physical wear, environmental exposure, and calibration drift. Understanding the maintenance profile of a robot's sensor suite helps set realistic expectations for long-term ownership and operation.
Durability & Reliability
Sensor durability varies significantly by type. Solid-state sensors like IMUs and accelerometers have no moving parts and typically last the lifetime of the robot.
- •Optical sensors like cameras and LiDAR can accumulate dust, scratches, or condensation on their lenses over time.
- •Mechanical sensors such as bump sensors and encoders may experience wear on moving contacts.
- •Environmental sensors for temperature and humidity are generally robust but can be affected by corrosive environments.
- •Overall, sensor failure rates in modern consumer robots are low, but environmental factors like dust accumulation and UV exposure can gradually degrade performance rather than cause sudden failure.
Ongoing Maintenance
Regular sensor maintenance primarily involves keeping optical surfaces clean. Camera lenses, LiDAR windows, and infrared emitters should be wiped with a soft, lint-free cloth to remove dust and fingerprints.
- •Many modern robots perform automatic sensor self-diagnostics and will alert users when calibration has drifted beyond acceptable limits.
- •Some robots support user-initiated recalibration routines for specific sensors.
- •For robots used in dusty or pet-heavy environments, more frequent cleaning of sensor surfaces may be necessary.
- •Manufacturer documentation typically includes sensor care instructions specific to the robot's sensor configuration.
Future-Proofing Considerations
When evaluating sensor technology for long-term value, consider the manufacturer's track record for software updates that improve sensor utilization. A robot with good sensors and ongoing software development can actually improve its performance over time as algorithms are refined.
- •However, sensor hardware itself cannot be upgraded post-purchase on most consumer robots, making the initial sensor specification an important long-term consideration.
- •Robots with modular sensor designs that allow component replacement offer better long-term maintainability, though this is currently more common in commercial and research platforms than consumer products.
For the 2 robots in the ui44 database using Carpet Detection, we recommend checking the individual robot pages for manufacturer-specific maintenance guidance and support documentation. Each manufacturer has different support policies, update frequencies, and warranty terms that affect the long-term ownership experience of their sensor technologies.
Troubleshooting & Common Issues: Carpet Detection
Sensor-related issues are among the most common problems home robot owners encounter. Many sensor issues can be resolved with simple maintenance or environmental adjustments, while others may indicate hardware problems requiring manufacturer support. Understanding common failure modes helps you diagnose and resolve issues quickly, minimizing robot downtime.
Robot bumps into obstacles it should detect
Likely Causes
- Dirty or obstructed sensor windows are the most frequent cause.
- Dust, pet hair, fingerprints, or cleaning solution residue on LiDAR, camera, or infrared sensor surfaces significantly reduce detection accuracy.
- Highly reflective surfaces like mirrors, glass doors, and glossy furniture can also confuse optical and laser-based sensors by creating phantom readings or absorbing signals entirely.
Resolution
- Clean all sensor windows and lenses with a soft, dry microfiber cloth.
- Avoid chemical cleaners unless the manufacturer specifically recommends them.
- If cleaning does not resolve the issue, check for recent firmware updates that may address sensor calibration.
- For persistent problems with specific surfaces, consider applying anti-reflective film to mirrors or glass surfaces in the robot's operating area.
Robot map becomes inaccurate or corrupted over time
Likely Causes
- Sensor drift and calibration degradation can cause mapping errors.
- Significant furniture rearrangement, new obstacles, or changed room layouts may confuse the mapping algorithm.
- In some cases, electromagnetic interference from nearby electronics can affect sensor readings used for localization.
Resolution
- Delete and rebuild the map from scratch using the manufacturer's app.
- Ensure the robot's firmware is up to date, as mapping improvements are frequently included in updates.
- If the problem recurs, run the robot during periods of minimal household activity to get the cleanest initial map.
Cliff or drop sensors trigger on flat surfaces
Likely Causes
- Dark-colored flooring, transitions between floor materials, and thick carpet edges can trigger infrared cliff sensors.
- Direct sunlight hitting the floor near the robot can also interfere with infrared detection by saturating the sensor with ambient infrared light.
Resolution
- Clean the cliff sensors on the underside of the robot.
- If the issue occurs at specific locations consistently, check whether the floor has very dark patches, strong color transitions, or high-gloss finishes that might confuse the sensors.
- Some manufacturers allow cliff sensor sensitivity adjustment through the companion app.
When to Contact the Manufacturer
- Contact the manufacturer if sensor issues persist after cleaning and firmware updates, if you notice physical damage to any sensor housing, or if the robot reports sensor errors in its diagnostic log.
- Sensor calibration that cannot be corrected through standard procedures may indicate hardware degradation requiring professional service or component replacement.
For model-specific troubleshooting, visit the individual robot pages for the 2 robots using Carpet Detection. Each manufacturer provides model-specific support resources and diagnostic tools for their sensor implementations.
What to do next
Stay in the catalog flow
This page should hand you off to the next useful comparison step, not strand you at the bottom of a long detail route.
1
Widen the layer
Browse all Sensor
Open the full sensor workbench when Carpet Detection is only one part of the decision and you need the broader market map.
2
Side-by-side check
Compare the strongest live profiles
Move from label-level research into direct robot comparison once you know which profiles are documented well enough to trust.
3
Adjacent signal
Open Cliff Sensors
This is the most common neighboring component on robots that already use Carpet Detection, so it is the fastest next branch if you need stack context.