Best Ultrasonic Proximity Sensors Deals of Oct 2026
Updated October 28, 2026Our site contains affiliate links for which we may be compensated.
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JSN-SR04T ultrasonic distance measuring module working voltage: 5V; Static current: 5mA; Total current work: 30mA; Working range: 21cm-5M; Working frequency: 40KHZ; Detecting angle: 50 degree
JSN-SR04T ultrasonic distance measuring module provides a measurement range of 21cm-500cm. Blind area is 25cm.
Ultrasonic distance measure module Small size, easy to use, strong anti-jamming, high accuracy, low voltage and low power consumption. JSN-SR04T integrated with sealed waterproof stripline probe, this sensor suitable for wet and harsh measurement occasions.
JSN-SR04Tintegrated ultrasonic distance module for horizontal distance messurement,Obstacle avoidance, automatic control, Traffic control, Security, industrial control, has a variety of modes that can be modified manually, suitable for testing and teaching experiments in different occasions.
High Sensitivity: The HC-SR04 Ultrasonic Module Distance Sensor has a ranging distance of 2cm to 500cm with a resolution of 0.3cm, allowing for accurate and precise distance measurements.
Easy Connection: The module features a simple mode of connection with VCC, trig, echo, and GND pins, making it easy to integrate into your projects.
Wide Application: This distance sensor can be used in various applications such as obstacle detection, object tracking, and distance measurement in robotics, automation, and IoT projects.
Low Power Consumption: With a quiescent current of less than 2mA, the sensor ensures minimal power consumption, making it ideal for battery-powered devices.
ultrasonic sensor, is a kind of sensor that applies ultrasonic technology to detect the distance of objects.
The sensor adopts closed split waterproof design, the protection grade can reach IP67;
Compact structure, fixed screw hole design, to solve the user installation and fixing problems;
Low power consumption design, according to the actual application scenarios, the power consumption can be reduced to applicable;
With a waterproof sealed emitter. This sensor is suitable for outdoor applications such as car reversing sensors, security alarms, industrial inspection, etc.
Integrated with wire enclosed waterproof probe, suitable for wet, harsh measurement occasions. Please note that the device is waterproof, but it couldn't work underwater.
JSN-SR04T-V3.0 is updated to version 3.0, which solves the problem of blind spot data beating and improves the stability of the product.
The module consists of an ultrasonic sensor and a control circuit that includes a transceiver, compatible with all MCU work in the market.
NON-CONTACT DISTANCE SENSING: Add object detection to robot navigation, parking-distance prototypes, automatic lids, counters and interactive projects; each HC-SR04 uses a 40 kHz ultrasonic burst and echo timing to estimate distance
5-PACK FOR REPEATABLE PROTOTYPING: Use multiple HC-SR04 modules across builds, compare sensor positions or keep spares for testing and replacement; each module integrates an ultrasonic transmitter, receiver and control circuit
5 V MODULE WITH 3-450 CM RANGE: Connect VCC, Trig, Echo and GND, use a 10 µs trigger pulse and measure Echo duration; resolution is 0.3 cm with an effective angle under 15°, while the controller board and external power source are not included
PROTECT 3.3 V GPIO: The HC-SR04 operates from 5 V and its Echo output is 5 V, so use a voltage divider or suitable level shifting with 3.3 V inputs; keep the module dry and use it for prototyping rather than calibrated measurement
HC-SR04 Ultrasonic Distance Sensor: Power Supply: 5V DC; Quiescent Current : <2mA; Effectual Angle: <15°; Detection Distance: 2 - 500cm; Resolution: 0.3cm
All in One Designed: 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.
Easy to Install: HC-SR04 Ultrasonic Distance Sensor with 4 Pins: VCC; Trig(Control Side); Echo (Receiver); Out (Empty); GND; Small Size Designed,Easy for Embedded Installation.
Applications: HC-SR04 Ultrasonic Distance Sensor Widely used for Robot Obstacle Avoidance, Object Distance Measuring, Liquid Level Detection, Public Security, Parking Lot Detection etc.
HC-SR04 Ultrasonic Sensor：This is a device that can use sound waves to measure the distance of an object. It measures distance by emitting a sound wave of a specific frequency and listening to the bounce of that sound wave. The distance between the sonar sensor and the object can be calculated by recording the time elapsed between the generation of the sound wave and the bounce of the sound wave
Working Voltage: 5V DC；Quiescent current: less than 2mA
Ranging Distance：2cm - 450 cm；High precision: 0.3 cm
Effectual Angle: <15°
HC-SR04 Ultrasonic Sensor Distance Module: using IO trigger for at least 10us high level signal
This module has stable performance and accurate measurement distance.
Detection distance: 0.78~196 in/ (2cm~500cm); High precision: up to 0.12 in/(0.3 cm); Detection angle: <15 °.
This module is fully Compatible with GH-311 anti-theft module.
10 Ultrasonic Proximity Sensors deals are available from: Amazon, starting from $5.99.
The biggest discount we found is 28% on CTDOFUM 1Pcs M18 Ultrasonic Proximity Sensor 50-2000mm 24V NPN PNP Analog 0 to 10V 4 to 20mA Ultrasonic Level Sensor(40-450mm PNP NO) (CTDOFUM) at Amazon.
The lowest price we found is $5.99 while the highest is $90.20. Prices for the best Ultrasonic Proximity Sensors deals average at $20.80.
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