HC SR04 Ultrasonic Sensor Module Kit For Arduino Mega R3 Duemilanove Nano With 2cm To 400cm Range And 3mm Accuracy For Robot Projects Plug And Play XBee ZigBee Compatible

High-precision Arduino Ultrasonic Sensor: 2cm-4m Range
✔️ 2cm-4m range, 3mm accuracy, 5V, 15mA; 45x20x15mm, single unit

This compact ultrasonic distance sensor module is designed for Arduino and other microcontrollers, offering reliable 2 cm to 4 m range with 3 mm accuracy. It’s ideal for robot obstacle avoidance, parking assist, and object detection. Compatible with Arduino Mega, Duemilanove, Nano, and more.

✅ Range: 2 cm to 400 cm (4 m) with up to 3 mm accuracy
✅ Power: 5 V DC, ~15 mA current
✅ Interface: Trigger input 10 µs TTL pulse; Echo TTL output
✅ Size: 45x20x15 mm (1.77x0.79x0.59 in)
✅ Angle: 15 degrees

💡 What is an ultrasonic distance sensor used for in hobby robotics? This handy device helps you measure distance and detect obstacles.
- Handy for obstacle avoidance in DIY robots
- Great for parking assist and object detection in auto projects
- Useful for distance measurement and mapping in experiments
- Easy TTL trigger/echo interface makes microcontroller hookup quick