选择云平台
比较 ThingSpeak 和 Blynk 等选项
选择云平台 是 CoddyKit 上的免费 Arduino & IoT Academy 课时。 这是第 1 节课，共 4 节。 你可以在下方免费阅读本课时的完整内容 — 然后在浏览器中使用内置代码编辑器和全天候 AI 导师进行实践。 这是 Arduino & IoT Academy 学习路径的一部分，你的进度在网页和 CoddyKit 应用中同步。 Arduino & IoT Academy 课程共包含 4 节课。
本课时的部分内容尚未翻译，以英文显示。
Why Use a Cloud at All
Your board can sense the world, but a cloud platform lets you see and control it from anywhere, on any phone or laptop. 🌐
What a Platform Gives You
A good IoT platform handles the hard parts for you: storing readings, drawing live charts, and sending data back to your device.
Meet ThingSpeak
ThingSpeak is free and beginner-friendly. You send numbers to channels, and it plots them as graphs you can share with a link.
Meet Blynk
Blynk focuses on apps. You drag buttons and gauges onto a phone screen, then wire them to your device with almost no UI code.
Data In vs Control Out
Some platforms shine at logging data in, others at sending controls out. Pick one that matches what your project needs most.
Free Tiers Have Limits
Most platforms offer a free tier with caps, like one update every fifteen seconds. That is plenty while you are learning. 👍
Match the Board
You need a WiFi board like the ESP32. A plain Uno has no internet, so it cannot reach a cloud platform on its own.
Look for a Library
Pick a platform that ships an Arduino library. It hides the messy network calls so you write a few clean lines instead of raw HTTP.
Think About Sharing
If you want others to view your data, choose a platform with public dashboards. ThingSpeak channels can be shared by URL.
Create a Free Account
Sign up on the platform's website first. You will get a dashboard where channels, widgets, and device keys all live.
Note Your Channel ID
After creating a channel, save its Channel ID. Your sketch uses this number to send readings to the right place.
Quick Check
Which board can actually reach an IoT cloud platform?
Recap
A cloud platform stores, charts, and controls your device data online. Pick one with a free tier and a library, then grab your account keys.
常见问题解答
「选择云平台」课时是免费的吗？
是的 — 「选择云平台」的完整文本可在网页上免费阅读。要进行交互式练习（内置代码编辑器和全天候 AI 导师）并解锁 Arduino & IoT Academy 课程的其余内容，请升级到 CoddyKit PRO。 Arduino & IoT Academy 课程共包含 4 节课。
「选择云平台」这节课中我会学到什么？
比较 ThingSpeak 和 Blynk 等选项 你通过在浏览器中直接运行的动手代码来练习 Arduino & IoT Academy，全天候 AI 导师会在你学习这节课的过程中回答你的问题。
学习 Arduino & IoT Academy 需要有经验吗？
无需任何先前经验。CoddyKit 上的 Arduino & IoT Academy 课程适合初学者到高级学习者，你可以从这里开始或从头开始，按照自己的节奏学习。 这是第 1 节课，共 4 节。
「选择云平台」课时需要多长时间？
大多数 CoddyKit 课程大约需要 5–10 分钟。每节课都很精短且互动，所以你能稳步进步，并在网页和应用中从离开的地方继续。
我能在这节 Arduino & IoT Academy 课中编写并运行代码吗？
能。每节 Arduino & IoT Academy 课都包含内置代码编辑器，你可以在浏览器中直接编写并运行真实代码，并获得即时 AI 反馈 — 无需本地设置。