Nodes Documentation
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
- Values:
- meters
- Range:
0
-4
- Maximum distance the sensor responds to in meters
- Range:
- min
- Range:
0
-1
- Minimum value of the output range
- Range:
- max
- Range:
0
-1
- Maximum value of the output range
- 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.