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APP INVENTOR硬件交互学习教程07——多个参数上报 - 创客硬件开发 - 清泛IT...
...流程，增加了列表处理，可以参考代码处理逻辑流程
3.arduino nano代码，温度和电位计使用随机数生成
// 引脚定义
const int ledPin1 = 5;// the number of the LED pin
const int ledPin2 = 6;
const int ledPin3 = 3;
const int bluePin ...
C/C++ NaN constant (literal)?
...se
printf(*a);
it is very simple and straitforward. it worked for me in Arduino IDE.
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Convert a number range to another range, maintaining ratio
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I didn't dig up the BNF for this, but the Arduino documentation had a great example of the function and it's breakdown. I was able to use this in Python by simply adding a def renaming to remap (cause map is a built-in) and removing the type casts and curly braces (i...
What are some resources for getting started in operating system development? [closed]
...re. I don't like harvard architectures personally, so I am uninterested in arduino, but it is the most popular. For more exotic work, the XC-1A is nice too.
– Paul Nathan
Oct 29 '10 at 22:34
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Is multiplication and division using shift operators in C actually faster?
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Just downloaded an arduino sketch that has millis() >> 2; Would it have been too much to ask to just divide?
– Paul Wieland
Jun 10 '16 at 10:41
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Download a single folder or directory from a GitHub repo
...d by the project full path. Example: svn ls https://github.com/RobTillaart/Arduino.git. To export just one folder, you just add the /trunk followed by the desired path, like svn export https://github.com/RobTillaart/Arduino.git/trunk/libraries/DHTlib. It is easier to keep the project path intact.
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When should you use a class vs a struct in C++?
...neath the hood, they are the same. I wonder if a struct definition in the Arduino environment is considered a cpp class, seeing as it's compiled using g++.
– Benjamin
Apr 24 '17 at 5:07
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...aning. If I take a smaller example, suppose I have a program running on my Arduino which sends via serial a packet of 16 bytes which have the following meaning:
0: message type (1 byte)
1: target address, MSB
2: target address, LSB
3: data (chars)
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F: checksum (1 byte)
Then I can declare somet...
App Inventor 2 IoT 参考文档 · App Inventor 2 中文网
...绍
【硬件交互】APP INVENTOR硬件交互学习教程03——巧借arduino nano 配置HC-05
【硬件交互】APP INVENTOR硬件交互学习教程04——蓝牙控制继电器
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App Inventor 2 串口组件：App使用OTG数据线进行串口通信 · App Inventor 2 中文网
... Inventor 2 串口组件的使用方法，以及如何利用手机串口与Arduino硬件进行通信。串口通信波特率：9600。英文原版视频如下：
可以看到，手机串口连接时，没有像PC那样指定“COM3”等端口，而是直接使用默认的USB设备：
...