EV3 Motors¶
Non-Visible component| Category | Requires | Version |
|---|---|---|
| LEGO® MINDSTORMS® > EV3 | API 21, Android 5.0 Lollipop | 1 |
Overview¶
A component that provides both high- and low-level interfaces to a LEGO MINDSTORMS EV3 robot, with functions that can control the motors.
Events¶
Tacho Count Changed¶
Called when the tacho count has changed.
| Params | |
|---|---|
| tacho Count | Number |
Methods¶
Get Tacho Count¶
Returns: Number
Get the current tacho count.
Reset Tacho Count¶
Set the current tacho count to zero.
Rotate In Distance¶
Rotate the motors in a distance.
| Params | |
|---|---|
| power | Number |
| distance | Number |
| use Brake | Boolean |
Rotate In Duration¶
Rotate the motors in a period of time.
| Params | |
|---|---|
| power | Number |
| milliseconds | Number |
| use Brake | Boolean |
Rotate In Tacho Counts¶
Rotate the motors in a number of tacho counts.
| Params | |
|---|---|
| power | Number |
| tacho Counts | Number |
| use Brake | Boolean |
Rotate Indefinitely¶
Start to rotate the motors.
| Params | |
|---|---|
| power | Number |
Rotate Sync In Distance¶
Rotate the motors at the same speed for a distance in cm.
| Params | |
|---|---|
| power | Number |
| distance | Number |
| turn Ratio | Number |
| use Brake | Boolean |
Rotate Sync In Duration¶
Rotate the motors at the same speed in a period of time.
| Params | |
|---|---|
| power | Number |
| milliseconds | Number |
| turn Ratio | Number |
| use Brake | Boolean |
Rotate Sync In Tacho Counts¶
Rotate the motors at the same speed in a number of tacho counts.
| Params | |
|---|---|
| power | Number |
| tacho Counts | Number |
| turn Ratio | Number |
| use Brake | Boolean |
Rotate Sync Indefinitely¶
Start to rotate the motors at the same speed.
| Params | |
|---|---|
| power | Number |
| turn Ratio | Number |
Stop¶
Stop the motors of the robot.
| Params | |
|---|---|
| use Brake | Boolean |
Toggle Direction¶
Toggle the direction of motors.
Properties¶
Bluetooth Client¶
Component 
Read Write - Designer Blocks
The BluetoothClient component that should be used for communication.
Enable Speed Regulation¶
Boolean Default: True Read Write - Designer Blocks
Specifies whether to keep motor rotation at constant speed.
Motor Ports¶
Text Default: ABC Write - Designer
The motor ports that the motors are connected to. The ports are specified by a sequence of port letters.
Reverse Direction¶
Boolean Default: False Read Write - Designer Blocks
Set whether the direction of motors is reversed or not.
Stop Before Disconnect¶
Boolean Default: True Read Write - Designer Blocks
Whether to stop the motor before disconnecting.
Tacho Count Changed Event Enabled¶
Boolean Default: False Read Write - Designer Blocks
Whether the TachoCountChanged event should fire when the angle is changed.
Wheel Diameter¶
Number Default: 4.32 Write - Designer
Specifies the diameter of the wheels attached on motors.