Four Pack RCWL-1601 Ultrasonic Ranging Sensor Modules Compatible With HC-SR04 3V-5V Wide Voltage 40KHz Distance Sensor For DIY Kits And Arduino Projects Up To 450 CM

High-performance ultrasonic distance sensors for Arduino and DIY projects up to 450cm
✔️ Four modules with 3V-5.5V power supply, 2.2mA current, 40KHz frequency, and up to 450cm range for accurate measurements in various setups.

These ultrasonic ranging sensor modules are compact devices that measure distance using sound waves, making them ideal for hobbyist electronics, Arduino prototyping, and simple automation tasks in robotics or smart home setups.

✅ Power supply: 3V-5.5V for flexible voltage needs
✅ Maximum detection distance: 450 cm for extended reach
✅ Working frequency: 40KHz for reliable performance
✅ Blind area: 2 cm (up to 3 cm) to avoid close-range errors
✅ Measurement cycle time: 50mS for quick updates
✅ Working temperature: -10°C to 90°C for versatile conditions
✅ Suitable for cotton and irregular objects, enhancing everyday use

💡 How do ultrasonic sensors enhance accuracy in distance measurement for electronics projects? Ultrasonic sensors use sound waves to detect distances precisely, which is key for improving project reliability. - They emit high-frequency waves and time the echoes for exact measurements - Offer consistent results even with uneven surfaces or materials - Help in creating responsive systems like obstacle avoidance in robots - Integrate easily with microcontrollers for real-time data processing