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HC-04 Ultrasonic Sensor Module –

Looking to buy HC-04 ultrasonic sensor online? Discover the best deals on HC-04 ultrasonic sensor module price in India at Electroboat.in – your trusted electronics components supplier. The HC-04 sensor module is widely used in Arduino-based electronics projects, DIY kits, robotics applications, drone obstacle avoidance systems, and final year engineering projects. Whether you’re working on a mini project, research project, or brainstorming new project ideas, the HC-04 module is a perfect choice.

When people search online using phrases like "hc-04 ultrasonic sensor buy online", "buy hc-04 sensor module for Arduino", or "hc-04 ultrasonic sensor price in India", they are typically looking for quality-tested ultrasonic modules suitable for distance measurement, object detection, and automation projects. The HC-04 ultrasonic sensor module is designed for easy interfacing with Arduino Uno, NodeMCU, ESP32, Raspberry Pi, and other microcontrollers, making it ideal for beginners as well as professionals.

Priced between ₹85 and ₹150 in India, this sensor is popular among students, hobbyists, and industry professionals. Use it in innovative DIY project kits, smart robotics designs, precision drone landing systems, and automatic distance measuring devices. The HC-04 operates on 5V and measures distances from 2cm to 400cm, providing reliable and accurate outputs for your project requirements.

Buy HC-04 ultrasonic sensor online in India from Electroboat.in to get guaranteed quality and fast delivery. Make your electronics projects, IoT projects, school-level kits, and final year projects stand out using the reliable HC-04 module.

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Buy now and power your DIY innovations with the HC-04 ultrasonic sensor!

The HC-SR04 Ultrasonic Sensor Module is a widely used and cost-effective distance measuring sensor that works by emitting ultrasonic waves and measuring the time taken for the echo to return. It is ideal for a wide variety of applications including robot navigation, object detection, level sensing, and home automation systems.

This module can accurately measure distances from 2 cm to 400 cm with a precision of ±3 mm, making it suitable for Arduino, Raspberry Pi, ESP32, and other microcontroller-based projects.

It features four pins (VCC, Trig, Echo, GND) for simple interfacing and uses digital I/O for distance calculations, making it extremely easy to integrate into your systems.

Key Features:

• Ultrasonic distance sensor with 2 cm to 400 cm range

• High accuracy and fast response time

• Compatible with Arduino, Raspberry Pi, ESP8266, STM32

• Low-cost and easy to use

• Ideal for robotics, obstacle detection, and automation

• Non-contact measurement technology

Technical Specifications:

How to Use:

Basic Arduino Interfacing Steps:

1. Connect VCC → 5V, GND → GND, Trig → D9, Echo → D10 (example).

2. In code, send a 10µs pulse to Trig.

3. Measure the duration of the pulse on Echo.

4. Convert time to distance:
   Distance (cm) = duration / 58.0

Arduino Sample Code:

Applications:

• Obstacle avoidance for robotics

• Automatic door and home automation

• Parking sensors and reverse alerts

• Water level measurement

• Smart bins and distance counters

Package Includes:

• 1 × HC-SR04 Ultrasonic Range Finder Module