AddressableLed#
Initializing the AddressableLed Class#
An AddressableLed is created by using the following constructor:
AddressableLed(port)
This constructor uses one parameter:
Parameter |
Description |
|---|---|
|
The 3-Wire Port that the AddressableLed is connected to, whether it’s a port on the Brain, or a 3-Wire Expander. |
A Brain or 3-Wire Expander must be created first before they can be used to create an object with the AddressableLed Class constructor.
# Create the Brain.
brain = Brain()
# Construct an AddressableLed "addled" with the
# AddressableLed class.
addled = AddressableLed(brain.three_wire_port.a)
This addled object will be used in all subsequent examples throughout this API documentation when referring to Accelerometer class methods.
Class Methods#
clear()#
The clear() method clears the Addressable LED to off.
Returns: None.
# Set the Addressable LED to red.
addled.set(Color.RED)
# Wait 2 seconds.
wait(2, SECONDS)
# Clears the Addressable LED strip to off.
addled.clear()
set()#
The set(data, offset) method sets the Addressable LED strip to provided values.
Parameters |
Description |
|---|---|
data |
A list of Color values. This includes predefined colors, hex values, and webstrings. |
offset |
Optional. The index of LED to start at, with index 0 being the first index. |
Returns: None.
# Create a list of HexCode colors assigned to the
# variable, pix.
pix = [Color(0x800000),Color(0x008000),Color(0x000080)]
# Sets the Addressable LED strip to the colors in
# the list pix.
addled.set(pix)