Infrared Obstacle Avoidance Sensor E18 D50NK 5V Photoelectric Switch 3 Wire Type Leads Yellow Green Red 100 mA Output 3 To 50 Cm Detection Range Compact 17 Mm Diameter Sensor For DIY Arduino Raspberry Pi Projects

5V Infrared Obstacle Sensor for Arduino and Pi, Single Unit
✔️ 3-wire 5V output, 3-50 cm detect range, 17 mm dia, 0.5 m lead

Compact photoelectric sensor detects obstacles using infrared light, ideal for DIY electronics, Arduino, and Raspberry Pi projects. This compact cylinder-type switch runs on 5V and offers a normally open (NPN NO) output, with a 0.5 m lead and a 17 mm diameter housing.

Dimension	Metric	Imperial
Total Size (L × max D)	44.5 × 23 mm	1.75" × 0.9"
Detecting Distance	3-50 cm	1.18"-19.7"
Column Sensor Diameter	17 mm	0.67"
Cable Length	0.5 m	1.64 ft

✅ Detecting distance: 3-50 cm (adjustable)
✅ Supply voltage: DC 5V
✅ Output type: NPN NO
✅ Cable length: 0.5 m / 1.64 ft
✅ Housing material: Plastic shell

💡 What is an infrared obstacle sensor used for? Handy for detecting objects in front of robots, conveyors, and DIY automation systems, triggering a microcontroller input.

- 5V logic compatible design for easy hookup - NPN normally open output for straightforward interfacing - Small form factor fits tight spaces in DIY builds - Works with Arduino, Raspberry Pi, and similar boards