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HC-SR04 Ultrasonic Distance Measuring Sensor Module
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SKU ES-D3-009 · Packed weight 25 g (estimated)
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An HC-SR04 ultrasonic module for contactless distance experiments and small robot projects. A controller sends a trigger and measures the echo pulse to estimate target distance. Check the four-pin labeling and supply requirement before wiring, and level-shift the echo connection when required by a 3.3 V controller. Actual working range and accuracy depend on the target, mounting and supplied module revision.
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Product Description
An HC-SR04 ultrasonic module for contactless distance experiments and small robot projects. A controller sends a trigger and measures the echo pulse to estimate target distance. Check the four-pin labeling and supply requirement before wiring, and level-shift the echo connection when required by a 3.3 V controller. Actual working range and accuracy depend on the target, mounting and supplied module revision.
Model: HC-SR04Sensing method: Ultrasonic pulse echoInterface: Trigger / EchoConnector: 4 pins: VCC, Trig, Echo, GND; verify board order
Technical Specifications
| Model | HC-SR04 |
|---|---|
| Sensing method | Ultrasonic pulse echo |
| Interface | Trigger / Echo |
| Connector | 4 pins: VCC, Trig, Echo, GND; verify board order |
| Output | Echo pulse duration |
| Range and accuracy | Not tested for supplied stock |
| Logic compatibility | Verify Echo voltage before connecting 3.3 V GPIO |
| Manufacturer part number | HC-SR04 |
Package Contents
1 × HC-SR04 Ultrasonic Distance Measuring Sensor Module.
Warranty & returns
Product-specific warranty duration and coverage have not been confirmed. Contact ElectroShelf before purchase and see the Returns & warranty policy for the support process.
Check the pinout and voltage of your exact revision before wiring. Alternatives are listed explicitly; we never silently substitute a component.
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