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AJMRTC 5PCS HC-SR04 Ultrasonic Distance Sensor Module, 2cm-400cm Ranging, HC-SR04 Ultrasonic Rangefinder, for Arduino ESP32 Robot Obstacle Avoidance Liquid Level Detection DIY Project
- 1. Pack of 5 HC-SR04 ultrasonic ranging modules for multi-sensor development
- 2. 2cm to 400cm effective measurement range, non-contact echo ranging
- 3. Simple trigger and echo IO signal, easy to read distance data with MCU
- 4. Low cost, stable performance, widely used basic ultrasonic sensor
- 5. Through-hole design, simple wiring for embedded and educational projects
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Overview
Specs
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AJMRTC HC-SR04 ultrasonic distance sensor kit contains 5 pieces of the classic ultrasonic rangefinder modules. It calculates distance by sending ultrasonic pulses and receiving reflected echoes. It works well in normal indoor lighting and does not capture images for privacy. It is a popular beginner sensor for electronic DIY, robot obstacle avoidance, smart bin triggering and simple liquid level detection. It is compatible with Arduino, ESP32, STM32 and Raspberry Pi. Avoid testing in strong ultrasonic or high-noise environments.
Specifications
- Model: HC-SR04
- Quantity: 5PCS
- Ranging Principle: Ultrasonic echo ranging
- Measuring Range: 2cm ~ 400cm
- Working Voltage: DC 5V
- Output: Digital trigger & echo IO signal
- Operating Frequency: 40KHz
- Feature: Non-contact measurement, easy to use
- Application: Robot obstacle avoidance, object detection, smart bin, laboratory experiment
- Compatible: Arduino, ESP32, STM32, Raspberry Pi
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by ConnectFlow USA Return Policy
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