The HC-SR04 4-Pin Ultrasonic Sensor (3V version) is a compact and reliable module for non-contact distance measurement. It uses ultrasonic sound waves to detect objects and measure distances from 2cm to 400cm with high accuracy, making it ideal for Arduino, Raspberry Pi, and robotics applications.
Unlike standard 5V versions, this 3V-compatible sensor works seamlessly with low-voltage microcontrollers, providing more flexibility and power efficiency—perfect for battery-powered projects and IoT devices.
Key Features:
Model: HC-SR04 (4-pin, 3V version)
Operating Voltage: 3V – compatible with ESP32, Raspberry Pi, STM32, etc.
Interface: 4 pins (VCC, Trig, Echo, GND)
Measurement Range: 2cm to 400cm
Accuracy: ±3mm
Applications: Distance sensing, obstacle avoidance, robotics, automation
Easy to use: Plug-and-play with most microcontroller boards
Compact Design: Ideal for tight spaces and embedded projects
Whether you're building a robot car, designing a smart parking system, or experimenting with IoT projects, the HC-SR04 3V ultrasonic sensor is a reliable and affordable solution for precise distance detection.
Processing Time
• Orders within Beirut: 1–3 business days.
• Orders outside Beirut: 3–5 business days.
• High-demand or custom items may require extra processing time.
• Once dispatched, you will receive an email confirmation with a tracking number.
Delivery Rates & Estimates
• Standard Delivery: 2–5 business days.
• Express Shipping: 2–3 business days (extra fee applies).
• Delivery times may vary due to customs, courier delays, or unforeseen events beyond our control.
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