August 2017
Intermediate to advanced
272 pages
5h 32m
Chinese
Content preview from Node.js物聯網裝置開發
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
node-serialport 程式庫
|
115
/dev/cu.Bluetooth-Modem |
/dev/cu.usbmodem1411 | Arduino (www.arduino.cc)
以此例而言，有塊 Arduino 板子連接到
/dev/cu.usbmodem1411
。列出序列埠所連接的裝
置，這是常用的指令，因此，我們可在
package.json
裡加入捷徑，為 npm 添加新功能：
"scripts": {
"list_ports": "node list_ports.js"
}
然後，便可如下執行該指令：
$ npm run list_ports
> ch08@1.0.0 list_ports
> node list_ports.js
/dev/cu.Bluetooth-Incoming-Port |
/dev/cu.Bluetooth-Modem |
/dev/cu.usbmodem1411 | Arduino (www.arduino.cc)
從 Arduino 接收資料
能夠列出連接到序列埠的裝置之後，接著讓我們捕捉從裝置傳過來的資料。若是
Windows 系統，指定序列埠時需使用類似於
COM1
的名稱；若是POSIX 平台的
話，則大概會是
/dev/ttyS0
。在筆者的環境上，Arduino 連接到的序列埠名稱是
/dev/
cu.usbmodem1411
。
先準備 Arduino 這一端，讓它送出某些資料到你的主機電腦。此處不使用任何感測器，
改用更為簡單的 Arduino 草稿碼
counter ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.