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SparkFun Part Number: SEN-13959

Description: This is the HC-SR04 ultrasonic ranging 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 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!

Features:

• Operating Voltage: 5V
• DC Operating Current: 15mA
• Measure Angle: 15°
• Ranging Distance: 2cm - 4m

Documents:

• Datasheet
• Example Code

* Original SparkFun product description and images used with Sparkfun permission.