Nodes Documentation

Input

  • Analog Sensor
  • Circuit Touch
  • IR Proximity
  • Light Sensor
  • Sonar
  • Squeeze Sensor

Brains

  • Converter
  • Gate
  • List
  • Randomizer
  • Sequence
  • Wave

Output

  • Buzzer
  • Continuous Servo
  • Dual Color LED
  • Key Press
  • Key Sequence
  • LED
  • Servo Motor
  • Voltage Output

Sonar

Sonar

Sonar node is for using the Kit backpack to connect to a Grove Ultrasonic Ranger from Seeed Studio. The Sonar measures the distance to an object by bouncing ultrasound its surface.

Connections

Inputs

  • place
    • Values: BP1 - BP6
    • Choose where the Grove Ultrasonic Ranger is connected
  • meters
    • Range: 0 - 4
    • Maximum distance the sensor responds to in meters
  • min
    • Range: 0 - 1
    • Minimum value of the output range
  • max
    • Range: 0 - 1
    • Maximum value of the output range

Outputs

  • out
    • Range: min - max
    • The distance form an object as a number between the min and max values.

Hardware

DYI Kit Backpack Grove Ultrasonic Ranger

Comment

This is the first test in a line of Nodes to utilize the Grove line of sensors and actuators. The Kit Backpack have e place for the Grove connector that can be soldered on.

Learn more

Ultrasound is commonly used in robotics and as a smart feature in cars to avoid collisions. It is also very similar to echolocation used by bats to navigate in total darkness.