Ultrasonic Sensor Module HC-SR04

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89.00 120.00

Highlights

  • used for measuring distance, object sensor, motion sensors etc.
  • Operating Voltage: 5V DC
  • Operating Current: 15mA
  • Measure Angle: 15°
  • Ranging Distance: 2cm – 400cm
  • Working Frequency : 40Hz
  • Trigger Input Signal : 10uS TTL pulse
  • Echo Output Signal : Input TTL lever signal and the range in proportion

Description

Ultra Sonic Sensor Module Hc-Sr04 is a 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). The basic principle of work:

  • Using IO trigger for at least 10us high level signal.
  • The Module automatically sends eight 40 kHz and detect whether there is a pulse signal back.
  • IF the signal back, through high level , time of high output IO duration is the time from sending ultrasonic to returning. Test distance = (high level time×velocity of sound (340M/S) / 2

Features of Ultra Sonic Sensor Module Hc-Sr04

  • Operating Voltage: 5V DC
  • Operating Current: 15mA
  • Measure Angle: 15°
  • Ranging Distance: 2cm – 400cm
  • Working Frequency : 40Hz
  • Trigger Input Signal : 10uS TTL pulse
  • Echo Output Signal : Input TTL lever signal and the range in proportion

Package includes:

  • 1 x Ultra Sonic Sensor Module Hc-Sr04

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