数字输出#
初始化 DigitalOut 类#
使用以下构造函数创建数字输出:
DigitalOut(port)
此构造函数使用一个参数:
范围 |
描述 |
|---|---|
|
The 3-Wire Port that the Digital Output is connected to, whether it’s a port on the |
A Brain or 3-Wire Expander must be created first before they can be used to create an object with the DigitalOut Class constructor.
# Create the Brain.
brain = Brain()
# Construct a Digital Output "digout" with the
# DigitalOut class.
digout = DigitalOut(brain.three_wire_port.a)
This digout object will be used in all subsequent examples throughout this API documentation when referring to DigitalOut class methods.
类方法#
set()#
The set(value) method sets the value of the Digital Output.
参数 |
描述 |
|---|---|
|
The value to set for the Digital Output, |
**返回:**无。
# Set Digital Output to True.
digout.set(True)