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APP INVENTOR硬件交互学习教程03——巧借arduino nano 配置HC-05 - 创客硬...
1.HC-05模块有两种模式
配置模式：进入方式，上电前按住模块按键，通电LED慢闪即进入配置模式，默认波特率38400，数据为8，停止位1
通信模式：不按下按键，上电就是这个模式，默认串口波特率9600，数据位8，停止位1
2.ardu...
APP INVENTOR硬件交互学习教程04——蓝牙控制继电器 - 创客硬件开发 - 清泛...
...出控制继电器
// 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 = 6;// the number of the LED pin
const int greenPin = 5;
const int redPin = 3;
con...
APP INVENTOR硬件交互学习教程06——硬件参数上报 - 创客硬件开发 - 清泛IT...
....arduino nano代码
// 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 = 6;// the number of the LED pin
const int greenPin = 5;
const int redPin = 3;
co...
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...
...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 = 6;// the number of the LED pin
const int greenPin = 5;
const int redPin = 3;
con...
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MCU&物联网:
就用这个函数，serviceuuid怎么填都不对，就是获取个广播数据不知道为什么还需要uuid
MCU&物联网:
你看看能搞定这一块吗？要是可以的话我就先买个离线版的，在...
How do I adjust the anchor point of a CALayer, when Auto Layout is being used?
Note : Things have moved on since this question was asked; see here for a good recent overview.
11 Answers
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How to get label of select option with jQuery?
The value can be retrieved by $select.val() .
11 Answers
11
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PCH File in Xcode 6
In my previous projects, I can find the .pch file under Supporting Files.
6 Answers
...
How does this code generate the map of India?
This code prints the map of India. How does it work?
2 Answers
2
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...