Set axle position counter

This block will set the rotation counter for the motor axle.

The coding block is compatible with all hubs.

The coding block is compatible with motors that have a rotation sensor.

Device name	Compatible
WeDo 2.0 Medium Motor	no
Medium Linear Motor	yes
Technic™ Large Motor	yes
Technic™ XL Motor	yes
Technic™ Small Angular Motor	yes
Medium Angular Motor	yes
Large Angular Motor	yes
Train Motor	no
Move Hub	yes

LEGO® Powered UP App coding example: Reset axle position value

For this example, you will need:

• Hub – any hub from Hubs compatible with LEGO® Powered UP App list will work
• Motor – any motor that has rotation sensor from Motors compatible with LEGO® Powered UP App list will work

Step 1: Add coding blocks

• Flow block – Start  
• Flow block – Repeat instructions infinitely 
• Motor block – Run motor select hub port A,
• Widget block – Slider widget, select widget address 0

• Flow block – Start  
• Flow block – Repeat instructions infinitely 
• Widget block –Display widget, set widget address 2.
• Motor block – Report axle position, select hub port A

• Flow block – Start on condition
• Motor block – Set axle position counter select hub port A, select turn angle 0
• Widget block – Button widget, select widget address 1

When you are done with coding blocks, Coding canvas should look like this

Step 2: Add canvas buttons

• Select Slider, assign address 0 
• Select Button, assign address 1
• Select Display, assign address 2

Step 3: Setup motor and hub

• Connect the motor to port A
• Connect the hub to a device that runs the Powered UP App

Step 3: Run the program.

Use the slider: Observe that when the slider is used, the motor turns, and turn angle is shown on the Display widget.

Press the button: Observe that the Display widget value is reset to 0;

Motor was spinning for some time using Slider widget

Motor axle position value was reset

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