樹莓派 Raspberry PI之GPIO
阿新 • • 發佈:2018-06-21
document ble lock back ocs 輸入輸出 indent 1.5 res
樹莓派各版本硬件原理圖:https://www.raspberrypi.org/documentation/hardware/raspberrypi/README.md
配置
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兩個5V,3.3V輸出端口
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IO輸入輸出電壓0-3.3V
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支持輸出PWM
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兩路SPI總線
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兩路IIC總線
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一路串口
GPIO python庫
GPIO Zero庫:https://gpiozero.readthedocs.io/en/stable/
安裝GPIO Zero庫步驟
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更新系統包
sudo apt update
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安裝包
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python3:
sudo apt install python3-gpiozero
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python2:
sudo apt install python-gpiozero
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LED例子
from gpiozero import Button
from time import sleep
button = Button(2)
?
while True:
if button.is_pressed:
print("Pressed")
else:
print("Released")
sleep(1)
Button
from gpiozero import Button
from time import sleep
?
button = Button(2)
?
while True:
if button.is_pressed:
print("Pressed")
else:
print("Released")
sleep(1)
?
樹莓派 Raspberry PI之GPIO