Led#
Initializing the Led Class#
An LED is created by using the following constructor:
Led(port)
This constructor uses one parameter:
Parameter |
Description |
|---|---|
|
The 3-Wire Port that the LED 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 LED Class constructor.
# Create the Brain.
brain = Brain()
# Construct an LED "led" with the Led class.
led = Led(brain.three_wire_port.a)
This led object will be used in all subsequent examples throughout this API documentation when referring to Led class methods.
Class Methods#
on()#
The on() method turns the LED on.
Returns: None
# Turn on the LED.
led1.on()
# Wait 2 seconds.
wait(2, SECONDS)
# Turn off LED.
led1.off()
off()#
The off() method turns the LED off.
Returns: None
# Turn on the LED.
led1.on()
# Wait 2 seconds.
wait(2, SECONDS)
# Turn off LED.
led1.off()