March 2017
Intermediate to advanced
232 pages
4h 44m
Chinese
Content preview from 自造手冊：新工業革命實務指南
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GPIO
185
當 使 用 print 語 法 但 最 後 不
加 逗 號 時， 會 在 顯 示 內 容
最後加一個換行符號。如果
print(num)
之後不加逗號的話，
效果會像這樣：
11 is greater than 10
您可使用 # 來產生單行註解：
if (num > 10):
#
顯示
num
變數值
print (num),
Python 在變數的命名規範上與其他語言
是相同的：不可使用奇怪的字元符號、
空格或標點符號作為變數名稱，並且變
數名稱不可用數字開頭。
想知道更多關於 Python 的資訊，可以參
考官 方網站的文件：
https://www.python.
org/doc/
GPIO
看一下手邊的板子，RaspberryPi 有著 17
支（Models A 和 B） 與 28 支（A+、
B+、Raspberry Pi 2）的
通用輸入／輸出
（
general-purposeinput/output, GPIO
）
硬體連接埠，排成兩排 13 針或 20 針的母
座。除了可用作數位輸入或輸出的 GPIO
腳位之外，您也會看到一些 3.3V 與 5V
電源腳位，以及接地（GND）腳位。
Raspberry Pi 比 Arduino 嬌弱多了，所以
在接線上要非常小心：所有的 GPIO 腳
位只能在 3.3V 下運作；如果不小心接到
5V，可能會對 Raspberry Pi 造成無法修
復的傷害。
Hello World
本範例會用到一顆 LED（請選用額定電
壓為 3.3V 以上的規格）、一片麵包板以
及一些公 / 母
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.