HC-SR-04 Ultrasonic Sensor ( Pack of 25)

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HC-SR-04 Ultrasonic Sensor ( Pack of 25)

Rs. 1,699; ~~Rs. 2,100~~; Rs. 1,699; (-19%)
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SKU: DTIFCB1423

This is Ultrasonic Sensor module ( pack of 25)
It has very handy and compact construction.
It offers excellent range accuracy and stable readings.
HC-SR04 consists of ultrasonic transmitter, receiver, and control circuit. When trigged it sends out a series of 40KHz ultrasonic pulses and receives echo from an object.
Compatible with DIY Robot Car/Arduino, Node MCU, Raspberry Pi 4B, 3B+, 3B.
The modules include ultrasonic transmitters, receivers, and control circuits.
For bulk purchase you can check Ultrasonic Distance Sensor-Pack of 20

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HC-SR-04 Ultrasonic Sensor ( Pack of 25)

~~Rs. 2,100~~ Rs. 1,699

Quantity:

HC-SR-04 Ultrasonic Sensor ( Pack of 25)

~~Rs. 2,100~~ Rs. 1,699

Description
Specifications
Additional Resources
FAQ
Shipping & Return

Description

HC-SR-04 Ultrasonic Sensor

The HC SR04 ultrasonic sensor is used to detect the distance of an object between 2-400cm with an accuracy of up to 3mm. This hc sr04 ultrasonic sensor is based on the SONAR principle and hence its working is not affected by sunlight or other ambient lighting conditions making it ideal for outdoor applications also. The sensor works by transmitting a signal and starting a timer simultaneously, it then stops the timer when the receiver receives the signal after bouncing back from the object.

Note: The HC-SR04 has a 5V output (which needs to be reduced to 3.3V to work with the Raspberry Pi).

Applications:

Used to avoid and detect obstacles with robots like biped robots, obstacle avoider robots, path finding robots, etc.
Used to measure the distance within a wide range of 2cm to 400cm
Can be used to map the objects surrounding the sensor by rotating it
Depth of certain places like wells, pits, etc. can be measured since the waves can penetrate through the water

Specifications

Package Includes:

25 x HC-SR04 Ultrasonic sensor

Specifications:

Power Supply	+5V DC
Working Current	15mA
Output Signal	Electrical frequency signal
Ranging Distance	2cms – 400 cms
Resolution	0.3 cm
Measuring Angle	30 degree
Dimensions	3 x 2 x 1cms
Weight	15 grams

Additional Resources

Datasheet

FAQ

1. How does ultrasonic sensor work?

As we connect the ultrasonic sensor to 5V and initialize the input pin, it starts transmitting the sound waves which then travel through the air and hit the required object. These waves hit and bounce back from the object and then collected by the receiver of the module. Distance is directly proportional to the time these waves require to come back at the receiving end. The more the time taken, more the distance will be.

2. Is ultrasonic sensor better or IR sensor for my project?

Choosing sensor is completely dependent upon your application. There are a lot of limitations in infrared sensors, like the inability to use them in sunlight due to interference. It can make outdoor applications or dark indoor applications difficult. Ultrasonic sensors work using sound waves, detecting obstacles is not affected by as many factors. &qnbsp;If reliability is an important factor in your sensor selection, ultrasonic sensors are more reliable than IR sensors.

Shipping & Return

Shipping Policy

All orders confirmed before 3:00 PM IST are shipped the same day, barring rare pickup delays on holidays or disturbances.
Delivery time in Metro cities is 1–3 days; for other locations, it is 3–7 days. Delivery varies based on location and courier service.

Return & Refund Policy

Return window: 7 days from receipt unless stated otherwise.
No refunds or replacements after the return window.
Returns are accepted only for non-working or damaged products.
Initiate return requests via a Support ticket or contact us at +91-8123057137.
Refunds are processed within 3–4 working days after inspection and approval.

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