NXT Angle Sensor

NXT Angle Sensor (NXT and EV3)

NXT Angle Sensor
HiTechnic | A-000000-00181
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Measure axle rotation position and rotation speed with the HiTechnic Angle Sensor
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This sensor can measure a rotation like the encoders included in the interactive servomotors Lego Mindstorms NXT. The difference is that on one hand, this sensor has a very low friction, virtually non-existent and secondly, it is placed directly on the axis of rotation and is therefore less sensitive to disturbances caused by inherent friction on wheels.

This angle sensor for robot Lego Mindstorms NXT offers an accuracy of about 1 °

Rotation properties measured by the Angle Sensor

The Angle Sensor enables you to measure three rotation properties:

  • Absolute Angle – the rotation position of a rotating axle from 0 – 359 degrees with 1 degree accuracy
  • Accumulated angle - the accumulated number of degrees an axle has rotated
  • Rotation Speed - the speed of the axle rotation in RPM (revolutions per minute)

This sensor is ideal for making a robot where the measure of rotation of a shaft or axle with high precision is required.

All the HiTechnic sensors are Lego Hardware Certified Lego Hardware Certified

Programming the angle sensor

The Angle sensor is programmable using NXT-G

The Angle sensor is programmable using NXT-G, you can download the NXT-G block by clicking on the following image below and by importing the block into you NXT-G environment

NXT-G block for the Angle Sensor for programmable robots Lego Mindstorms NXT


This block can read the angle of rotation and also identifies a range of angles to trigger an action.

The Angle sensor is programmable using RobotC

The Angle sensor is programmable using RobotC. You'll need to get the third party drivers available here by cliking on the following image.

RobotC, programming language for programmable robot Lego Mindstorms NXT

HiTechnic EV3 I2C Blocks

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Anonymous A. published the 30/10/2017 following an order made on 30/10/2017


Compact and LEGO-looking. Build for the job.

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