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Ron Hale-Evans 2016-07-01 13:03:53 -07:00
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docs/reference/pins/servo-write-pin.md
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@ -1,9 +1,12 @@
# Servo Write Pin # Servo Write Pin
Writes a value to the servo on to the specified [pin](/device/pins) (``P0``, ``P1``, ``P2``), controlling the shaft accordingly. Write a value to the servo on the specified [pin](/device/pins)
and control the shaft.
* on a standard servo, this will set the angle of the shaft (in degrees), moving the shaft to that orientation. This function will move the shaft of a standard servo to the specified
* on a continuous rotation servo, this will set the speed of the servo (with 0 being full-speed in one direction, 180 being full speed in the other, and a value near 90 being no movement). angle, or set the speed of a continuous rotation servo. (`0` specifies
full speed in one direction, `180` specifies full speed in the other,
and approximately `90` specifies no movement.)
```sig ```sig
pins.servoWritePin(AnalogPin.P0, 180) pins.servoWritePin(AnalogPin.P0, 180)
@ -11,18 +14,18 @@ pins.servoWritePin(AnalogPin.P0, 180)
### Parameters ### Parameters
* `name` - [String](/reference/types/string); the pin name ("P0", "P1", or "P2") * a [string](/reference/types/string) that specifies the pin name (`P0` through `P4`, or `P10`)
* `value` - a [Number](/reference/types/number) between 0 and 180 included * a [number](/reference/types/number) from `0` through `180`
### Examples ### Examples
* setting the shaft angle to mid point on a servo #### Setting the shaft angle to midpoint on a servo
```blocks ```blocks
pins.servoWritePin(AnalogPin.P0, 90) pins.servoWritePin(AnalogPin.P0, 90)
``` ```
* control the shaft by using the tilt information of the accelerometer #### Controlling the shaft by using the tilt information of the accelerometer
```blocks ```blocks
basic.forever(() => { basic.forever(() => {
@ -33,7 +36,7 @@ basic.forever(() => {
}) })
``` ```
* setting the full speed on a continuous servo #### Setting the full speed on a continuous servo
```blocks ```blocks
pins.servoWritePin(AnalogPin.P0, 0) pins.servoWritePin(AnalogPin.P0, 0)