4 Pack RCWL-1601 Ultrasonic Sensor Module Open Ranging Module Compatible With HC-SR04 Low Power 3V-5V 2.2mA Compact 40x18mm 4.5M Far Range Great For Arduino Makers And Robotics Drones

Compact 4-Pack Ultrasonic Sensor Module, HC-SR04 compatible
✔️ 2.2mA idle, 3-5.5V supply, open ranging to 4.5m distance

The RCWL-1601 is a compact open ultrasonic ranging module designed for Arduino projects, robotics, drones, and other DIY sensing tasks. It delivers reliable distance measurements with a tiny footprint, perfect for space-constrained builds.

✅ 4-Pack included with four modules
✅ Farthest range up to 4.5 meters under ideal conditions
✅ Low power draw of 2.2 mA at 3-5.5V
✅ Small 40x18 mm footprint for tight spaces
✅ Compatible with HC-SR04 interfaces for easy wiring

💡 What is a compact ultrasonic sensor module used for in hobby projects?

This handy sensor helps you add distance sensing to robots, drones, and DIY gadgets without breaking the bank.

• handy for obstacle detection in autonomous builds
• works with common microcontrollers like Arduino and Raspberry Pi
• low power design for battery powered setups
• range up to several meters depending on surface and environment