Ultrasonic Distance Sensor - 3.3V (HC-SR04)

This is the HC-SR04-33 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04-33 module includes an ultrasonic transmitter, a receiver and a control circuit.

AUD$ 6.95

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Supplier Link: [SparkFun MPN:24049]


Description

This is the HC-SR04-33 ultrasonic distance sensor. This economical sensor provides 2cm to 400cm of non-contact measurement functionality with a ranging accuracy that can reach up to 3mm. Each HC-SR04-33 module includes an ultrasonic transmitter, a receiver and a control circuit.

There are only four pins that you need to worry about on the HC-SR04: VCC (Power), Trig (Trigger), Echo (Receive), and GND (Ground). You will find this sensor very easy to set up and use for your next range-finding project!

This sensor has additional control circuitry that can prevent inconsistent "bouncy" data depending on the application.

NOTE: This version can be operated at both 3.3V and 5V. SEN-15569 only operates at 5V.

Note: This is the same ultrasonic sensor used with the XRP kits Beta & DIY


Specifications

  • Operating Voltage: 3.3V~5V DC
  • Current: 15mA
  • Frequency: 40Hz
  • Max Range: 4m
  • Min Range: 2cm
  • Measuring Angle: 15°
  • Trigger Input Signal: 10uS TTL pulse
  • Echo Output Signal: Input TTL lever signal and the range in proportion
  • Dimension: 45 x 20 x 15mm

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