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Home Sensor Modules Ultrasonic Sensors and Modules Ultrasonic Sensors
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Aj-sr04m Module - AJ-SR04M
AJ-SR04M-2
AJ-SR04M-1
  • Aj-sr04m Module - AJ-SR04M
  • AJ-SR04M-2
  • AJ-SR04M-1

AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm

Rated 4.44 out of 5 based on 16 customer ratings
(16 customer reviews)
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Working Voltage : 3 – 5.5V.

The maximum Current : 49mA 5V.

Range : 20cm to 800 cm

Brand: Generic SKU: AI0612
Categories: Ultrasonic Sensors, Ultrasonic Sensors and Modules
Tags: AJ-SR04M, Buy Online India, Distance Measurement, Distance Sensor, Ultrasonic Sensor, Waterproof Module, Waterproof Ultrasonic Module, Zbotic

₹293.82 (₹249.00 + GST)

Description
Additional information
Warranty
COO

AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm

Waterproof Ultrasonic Module AJ-SR04M is designed by using a waterproof strip line probe integrated with transceiver and receiver and non-contact ultrasonic detection technology. In the range of 20 cm to 800 cm, the product can accurately detect the distance between plane objects and in the range of 20cm to 250 cm.

Specifications

  • Working Voltage : 3 – 5.5V.
  • The maximum Current : 49mA 5V.
  • Standby current : < 2mA 5V.
  • Low power consumption : <20uA.
  • The fastest range is : 8 meter
  • Dead zone : 20cm.
  • Resolution: 1mm
  • Mileage angle: 75 degrees
  • Range : 20cm to 800 cm
  • Range per objects :
    • Distance from wall : 8 Meter,
    • Distance from People : 4 Meter

Package Includes

  • Waterproof Ultrasonic Module AJ-SR04M
Tags: AJ-SR04M Buy Online India Distance Measurement Distance Sensor Ultrasonic Sensor Waterproof Module Waterproof Ultrasonic Module Zbotic
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Technical Specifications

ModelAJ-SR04M
Size21.5mm
SKUAI0612
Weight0.05 kg
AvailabilityOut of Stock

Applications & Use Cases

The AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm is a versatile ultrasonic sensors used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.

Common use cases:

  • Integrating into a custom electronics project
  • Learning and experimenting with circuits
  • Replacing or upgrading components in existing setups

This product is ideal for electronics enthusiasts, engineers, and students.

Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.

Shipping & Delivery

  • Free shipping on orders above ₹999 across India
  • Dispatched within 1-3 business days
  • Expected delivery: 3-7 business days depending on location
  • Secure packaging to ensure safe transit of electronic components
Weight 0.05 kg
15 Days Warranty

Please note that this item is only covered by a standard supplier warranty against manufacturing defects for a period of 15days from the time of delivery. It is important to understand that only manufacturing defects are covered under this warranty, and any other issues will not be considered for reimbursement or replacement. We strongly advise inspecting the product upon delivery to ensure it meets your expectations. In case of any manufacturing defects, we guarantee reimbursement or replacement.


What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Tags: AJ-SR04M Buy Online India Distance Measurement Distance Sensor Ultrasonic Sensor Waterproof Module Waterproof Ultrasonic Module Zbotic
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Country Of Origin: China

16 reviews for AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm

  1. Avatar of Harshit Panchal
    Rated 4 out of 5

    Harshit Panchal (verified owner) – June 16, 2022

    Pretty good AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Documentation could be better but the sensor itself is solid.

  2. Avatar of Arnav Sen
    Rated 5 out of 5

    Arnav Sen (verified owner) – July 1, 2022

    This AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm is excellent for the price. My data logging project is working perfectly now.

  3. Avatar of Tushar Dave
    Rated 4 out of 5

    Tushar Dave (verified owner) – July 9, 2022

    Pretty good AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Documentation could be better but the sensor itself is solid.

  4. Avatar of Raghav Saini
    Rated 5 out of 5

    Raghav Saini (verified owner) – January 19, 2023

    Love this AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Response time is fast and readings are stable.

  5. Avatar of Piyush Khare
    Rated 5 out of 5

    Piyush Khare (verified owner) – February 16, 2023

    Excellent

  6. Avatar of Varun Luthra
    Rated 5 out of 5

    Varun Luthra (verified owner) – August 19, 2023

    Very satisfied with this AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Library support is good and it’s easy to interface.

  7. Avatar of Varun Arora
    Rated 5 out of 5

    Varun Arora – August 27, 2023

    This AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm is excellent for the price. My data logging project is working perfectly now.

  8. Avatar of Yash Solanki
    Rated 3 out of 5

    Yash Solanki – March 23, 2024

    Average AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Readings fluctuate a bit. Works for rough measurements.

  9. Avatar of Subramanian .
    Rated 5 out of 5

    Subramanian . (verified owner) – December 16, 2024

  10. Avatar of Lokesh Patil
    Rated 4 out of 5

    Lokesh Patil (verified owner) – January 14, 2025

    Nice AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Readings are mostly accurate. Good enough for my hobby project.

  11. Avatar of Riya Malhotra
    Rated 5 out of 5

    Riya Malhotra – February 16, 2025

    Love this AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Response time is fast and readings are stable.

  12. Avatar of Vidya Ghosh
    Rated 4 out of 5

    Vidya Ghosh (verified owner) – June 27, 2025

    Pretty good AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Documentation could be better but the sensor itself is solid.

  13. Avatar of Advik Kumar
    Rated 5 out of 5

    Advik Kumar (verified owner) – July 25, 2025

    Perfect for my weather station. This AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm gives consistent readings day and night.

  14. Avatar of Kunal Dubey
    Rated 3 out of 5

    Kunal Dubey (verified owner) – December 27, 2025

    Average AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Readings fluctuate a bit. Works for rough measurements.

  15. Avatar of Vidya Trivedi
    Rated 4 out of 5

    Vidya Trivedi (verified owner) – February 4, 2026

    Good AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Works as described. Calibration needed some patience but results are good.

  16. Avatar of Jatin Yadav
    Rated 5 out of 5

    Jatin Yadav (verified owner) – March 13, 2026

    Great AJ-SR04M Waterproof Ultrasonic Module-Probe size-21.5mm. Using it in my smart agriculture system. Reliable measurements every time.

Only logged in customers who have purchased this product may leave a review.

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