Two Pack HC SR04P Ultrasonic Ranging Modules Distance Sensor 2cm To 450cm Range 3 To 5.5V Wide Voltage GPIO UART IIC Outputs 40KHz Transducer With 200ms Cycle And Angle Range Fifteen Degrees Operating From Minus Ten To Seventy Celsius

Two-Pack Ultrasonic Distance Sensor Modules, 2-450 cm
✔️ 2.2 mA, 3 to 5.5 V, 2 to 450 cm, GPIO/UART/I2C, 40 kHz

Two ultrasonic distance sensor modules, sold as a pair, deliver reliable range measurements for robotics, obstacle detection, and automation projects. Ideal for hobbyists and engineers using Arduino, Raspberry Pi, and other microcontrollers.

✅ Operating voltage: 3 to 5.5 V
✅ Current draw: 2.2 mA
✅ Detection distance: 2 cm to 450 cm (flat wall)
✅ Detection angle: ±15 degrees
✅ Output interfaces: GPIO, UART, I2C
✅ Measurement cycle: 200 ms
✅ Operating temperature: -10 to 70 °C

💡 What is a practical use case for an ultrasonic distance sensor in hobby electronics?

- Handy for obstacle detection in mobile robots - Distance measurement for automation and level sensing - Interfaces with microcontrollers via GPIO, UART, I2C - Works in a wide temperature range for outdoor projects