Acrob047

How to connect LEGO Mindstorms NXT Ultrasonic Sensor to the Arduino.

Thanks to Kristian Lauszus from Denmark it finally works.

Schematic diagram:

Note: Sensor will work also with +9V connected to +5V but with smaller range.

Software and description is available from: http://blog.tkjelectronics.dk/2011/10/nxt-shield-ver2/

Note: You will need modified i2cmaster library available from here.

Uploading the demo program You should obtain results like this:

V1.0
LEGO
Sonar
10E-2m
22
19
19
20
Error Reading Distance
21
19
20