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/* DigitalReadSerial Reads a digital input on pin 2, prints the result to the serial monitor This example code is in the public domain. */ int buttonS    阅读全文
        
            posted @ 2020-12-03 09:47
meetrice
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/* Arduino通过analogRead()函数读取模拟引脚0上的电位器读数控制LED闪灯频率 电路原理图: *电位器的中心引脚到连接到模拟输入0号引脚 *任意一侧接地,另一侧接5V */ int sensorValue = 0; void setup() { pinMode(A0, INPUT    阅读全文
        
            posted @ 2020-12-03 09:44
meetrice
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/* State change detection (edge detection) 状态变化检测(边缘检测) Often, you don't need to know the state of a digital input all the time, but you just need to     阅读全文
        
            posted @ 2020-12-03 09:18
meetrice
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/* 去抖动 每次输入引脚从LOW变为HIGH时(例如由于按钮按),输出引脚从LOW切换到HIGH或从HIGH切换到LOW。有两次触发之间的最小延迟以消除电路抖动(即忽略噪声)。 电路: * LED从引脚13接地 * 按钮连接到引脚2至+ 5V * 10K电阻从引脚2接地 *注意:在大多数Ardui    阅读全文
        
            posted @ 2020-12-03 09:03
meetrice
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项目地址:https://www.tinkercad.com/things/fxAUiYvu7aG /* Button Turns on and off a light emitting diode(LED) connected to digital pin 13, when pressing a     阅读全文
        
            posted @ 2020-12-03 00:59
meetrice
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项目地址:https://www.tinkercad.com/things/fuEoV1EqLvS /* 渐显渐隐 Arduino使用analogWrite函数在9号引脚上产生PWM脉冲宽度调制,使得发光二极管LED渐显渐隐, 如果你想换一个引脚,请使用具有PWM输出能力的引脚,在多数板子上以波浪号    阅读全文
        
            posted @ 2020-12-03 00:53
meetrice
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项目地址:https://www.tinkercad.com/things/e83v3mZL4Ua    阅读全文
        
            posted @ 2020-12-03 00:49
meetrice
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项目地址:https://www.tinkercad.com/things/fxAUiYvu7aG const int buttonPin = 2; //定义GPIO2输入开关按钮电平 const int ledPin = 7; //定义GPIO7为电平输出 int buttonState = 0;    阅读全文
        
            posted @ 2020-12-03 00:27
meetrice
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