Ultrasonic Distance Sensor – SR04 Upgrade, 3.3V–5V

About this item

📏 Ultrasonic Distance Sensor – SR04 Upgrade, 3.3V–5V, GPIO/I²C/UART/1-Wire

💡 Versatile Digital Distance Measurement

The SR04 Upgrade is a multi-interface ultrasonic distance sensor that supports GPIO, I²C, UART, and 1-Wire, making it compatible with a wide range of platforms including Arduino, Raspberry Pi, ESP32, and more. It offers accurate distance measurements from 2 cm to 400 cm.

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🛡️ Built-In Features

• 📡 Ultrasonic ranging from 2 cm to 400 cm
• 🔌 Works with 3.3V to 5V systems
• 🔁 Supports 4 communication interfaces: GPIO / I²C / UART / 1-Wire
• ⚙️ Low power consumption, high stability
• 🧠 Built-in MCU handles all signal processing

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📦 Compact & Robust

The sensor features a rugged design with stable performance, making it suitable for indoor and outdoor use, robotics, obstacle detection, and automation systems.

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🛠️ Applications

• 🤖 Robotics and autonomous navigation
• 🚪 Smart door and object detection systems
• 📏 Distance monitoring and level measurement
• 📦 Industrial automation
• 📡 Obstacle avoidance in drones and vehicles

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⚠️ Notes

• 🔌 Power supply: 3.3V to 5V DC
• 📐 Measuring range: 2–400 cm
• 🎯 Accuracy: ±3 mm
• 📡 Output interfaces: GPIO / UART / I²C / 1-Wire
• 📐 Dimensions: 45 x 20 x 16 mm
• ⚖️ Weight: 15g

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✨ Key Features

• 🔄 Multi-interface (GPIO, UART, I²C, 1-Wire)
• 🔋 Wide voltage input (3.3V–5V)
• 📏 Accurate measurements up to 4 meters
• 🧠 Integrated processing for stable output
• 🔧 Compatible with microcontrollers and SBCs

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🔗 Useful Links

• 📄 Datasheet (PDF)