Three Pack Dope Infrared Photoelectric Obstacle Avoidance Sensor Modules E18 D80NK Proximity Switch With 3 To 80 cm Range Low Light Interference Easy Wiring And Installation Compatible With Arduino Robot Car And DIY Bots

Three-Pack Infrared Photoelectric Obstacle Sensor E18-D80NK
✔️ 3-80 cm detection range, NPN normally open output, 5V DC, easy wiring

Designed as a compact infrared photoelectric sensor that merges transmitter and receiver for obstacle detection in robotics, DIY bots, and Arduino projects. Great for robot cars and automation tasks where contact-free sensing is essential.

✅ 18x45 mm plastic housing with compact form factor
✅ Detection range 3-80 cm with adjustable setting
✅ Output: DC three-wire NPN normally open, 5V supply
✅ Fast response time under 2 ms and low current draw (<25 mA)
✅ Simple wiring: brown (+), blue (-), black (signal) leads

💡 What is an infrared photoelectric obstacle avoidance sensor used for in DIY robotics? It helps robots detect obstacles quickly and safely, enabling smoother autonomous navigation.

- Handy for obstacle detection on Arduino robot cars and DIY bots - Works with microcontrollers like Arduino and Raspberry Pi - 3-wire NPN normally open output makes wiring simple - Adjustable 3-80 cm range for flexible layouts