ROBODIUM IR High Range Optical Proximity Switch, Industrial Grade, E18-D80NK Model, 3-80cm Detection Range, TTL Output, NPN, 5V Input
- Product SKU: R0342
- Category: Advanced Builds, Arduino Ecosystem, ESP32 & NodeMCU Ecosystem, Quick Deliverables, Sensor Only (Without Module), Sensors, Sensors, ₹100 to ₹500
E18-D80NK Adjustable IR Sensor Proximity Switch (3–50cm Range)
The E18-D80NK Adjustable IR Sensor Proximity Switch is a photoelectric switch sensor combining both transmitter and receiver. It has a detection range of 3 to 50cm, which can be adjusted based on your needs.
This sensor is compact, inexpensive, easy to use, and widely applicable — from obstacle avoidance in robots to industrial automation and interactive media systems.
The digital output remains high when there are no obstacles and low when an obstacle is detected. A bright light behind the probe shows the detection range (3–50cm).
Connections:-
Red wire: +5V
Green wire: GND
Yellow wire: Digital output
OR
Brown wire: +5V
Blue wire: GND
Black wire: Digital output
Specifications and Features:-
Minimal effect from object color or reflectivity
Compact and industrial-grade design
Can detect color difference within its range
TTL low output when obstacle is detected
Adjustable detection distance: 3–80cm
No need for external control circuit
Cost-effective and reliable
Built-in output indication LED
Digital signal output
Low power consumption
Package Includes:-
1 x E18-D80NK Adjustable Infrared Sensor Switch (3–50cm)
E18-D80NK Adjustable IR Sensor Proximity Switch (3–50cm Range)
The E18-D80NK Adjustable IR Sensor Proximity Switch is a photoelectric switch sensor combining both transmitter and receiver. It has a detection range of 3 to 50cm, which can be adjusted based on your needs.
This sensor is compact, inexpensive, easy to use, and widely applicable — from obstacle avoidance in robots to industrial automation and interactive media systems.
The digital output remains high when there are no obstacles and low when an obstacle is detected. A bright light behind the probe shows the detection range (3–50cm).
Connections:-
Red wire: +5V
Green wire: GND
Yellow wire: Digital output
OR
Brown wire: +5V
Blue wire: GND
Black wire: Digital output
Specifications and Features:-
Minimal effect from object color or reflectivity
Compact and industrial-grade design
Can detect color difference within its range
TTL low output when obstacle is detected
Adjustable detection distance: 3–80cm
No need for external control circuit
Cost-effective and reliable
Built-in output indication LED
Digital signal output
Low power consumption
Package Includes:-
1 x E18-D80NK Adjustable Infrared Sensor Switch (3–50cm)
Return Policy Overview
At ROBODIUM™, we want you to be completely satisfied with your purchase. You may return most items within 7 days of delivery for a full refund or exchange.
Return Window
- Standard Returns: 7 days from delivery date for any reason, including if you simply changed your mind.
- Defective/Damaged Items: 7 days from delivery date for items received damaged or defective.
- Manufacturing Defects (Warranty): 15 days from delivery for manufacturing defects, unless a different warranty period is specified on the product page.
What Can Be Returned
Most items sold on ROBODIUM™ can be returned within the return window, including:
- Items you no longer need or changed your mind about
- Products received in damaged condition
- Items with manufacturing defects
- Wrong items received (item mismatch)
- Missing components inside the package
Return Conditions
To be eligible for a return, items must be:
- In their original, unused condition
- In the original packaging with all accessories, manuals, and free gifts (if any)
- Accompanied by proof of purchase
Note: Products damaged due to misuse, modification, static discharge, soldering, or improper handling may not be eligible for return.
How to Initiate a Return
- Contact us via email at support@robodium.com or call +91 8123109966
- Provide your order number and reason for return
- Submit photos/videos of the item (especially for damaged/defective products)
- Our team will review and approve your return request within 1-2 business days
Return Pickup Process
We arrange the return pickup for you - hassle-free returns similar to major e-commerce platforms.
- Once your return is approved, we will coordinate pickup from your location.
- Pack the product securely in its original packaging.
- Include a copy of the order confirmation or packing list.
- Keep the package ready - our logistics partner will collect it at the scheduled time.
Return Shipping Costs
- Defective, damaged, or wrong items: ROBODIUM™ covers all return shipping costs. No charges to you.
- Change of mind returns: A flat return shipping fee of ₹100 will be deducted from your refund amount.
Refund Process
- Refund Method: Refunds are processed to your original payment method.
- Processing Time: 5-7 business days after we receive and inspect the returned item.
- Refund Amount: Full purchase price minus any applicable return shipping fees.
- Orders canceled before shipping receive a full refund (minus up to 5% payment gateway charges, if applicable).
Replacements
- Once the returned item is inspected and approved, we ship the replacement at no additional cost.
- Replacement items are dispatched within 2 business days of receiving your return.
- If replacement is unavailable, we provide a full refund.
Warranty Terms
All products include a minimum 15-day warranty against manufacturing defects unless otherwise specified on the product page.
Warranty does not cover: misuse, soldering damage, modifications, physical damage, or incorrect electrical connections.
Order Cancellations
- Orders in Pending or Payment Verification status can be canceled for a full refund.
- Contact us immediately at support@robodium.com to cancel before shipping.
- Once an order is shipped, it cannot be canceled but can be returned after delivery.
Customer Service Commitment
- Email Response Time: Within 24 hours on business days
- Phone Support: Monday-Saturday, 10:00 AM - 6:00 PM IST
- Return Request Review: 1-2 business days
- Issue Resolution: Within 48 hours of verification
Need Help?
For any return, refund, or warranty questions, contact us:
📞 +91 8123109966 (Mon-Sat, 10 AM - 6 PM IST)
✉️ support@robodium.com
Last updated: January 2026
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