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首要，水分传感器衔接Photon并放置在盆栽植物中。然后，当传感器读取湿度值低于20时，Photon会经过编程方法发布一个名为“moisturePercent黄志忠老婆age”的事情。一起，Electron会订阅和发布该事情，以及发布自己的事情，两个事情被称为“plantStatus”和“handshake”；到时夫军耍流氓它将会把名为thirsty的变量的值从true更改为false。IFTTT将订阅“plantStatus”并向用户的IFTTT应用程序发送相关告诉，而Photon将订阅“handshake”事情并在听到它时中止发布“moisturePercentage”。在electron的代码中，某个while循环将导致其LED开端闪耀，并对变量进行赋值thirsty = true。这为用户供应了另一种告诉方法，避免用户未带手机的状况。当植物淹泡在水中时，水分含量将升至45以上，这导致Photon发布另一个名为“plantWatered”的事情，Electron会订阅该事情。这使得植物缺水的变量设置为false，避免电子LED闪耀。经过一段时间后，这些水分将被植物所吸收，而且整个进程将重新开端。

咱们决议调查植物吸收水分时，水分含量怎么改变，这个进程将十分风趣。因而，每次Photon对其进行记载时，咱们都会经过一些事物对水含量进行记载。咱们发现咱们所选的血根草植物可以很快吸收咱们供应的水，而且有必要每隔一天至少浇一次水。

原理图

Particle Photon的代码：

int boardLed = D7; //LED D7 for testing purposes

int moisture_pin = A1; //connection point for moisture sensor

bool messageSent = false; //variable for checking if notification has been sent to phone

String plantWatered = "Your plant has been watered日本污漫画大全 and is moist";

void setup() {

pinMode(boardLed,OUTPUT); //output to turn on LED for setup

pinMode(moisture_pin,INPUT); //Input from moisture sensor

//Flashes LED to indicate th外籍男模at flash is successful.

digitalWrite(boardLed,HIGH);

delay(2000);

digitalWrite(boardLed,LOW);

delay(2000);

digitalWrite(boardLed,HIGH);

del闽jay(2000);

digitalWrite(boardLed,LOW);

delay(2000);

}

void loop() {师父,极速影院-安博电竞进口_anggame安博电竞_安博网站

//digitalWrite(boardLed,HIGH);

// Now we'll take some readings...

int moisture_analog = analogRead(moisture_pin); // read capacitive sensor

float moisture_percentage = (100 - ((moisture_analog/4095.00) * 100 )师父,极速影院-安博电竞进口_anggame安博电竞_安博网站);

Particle.subscribe("handshake", handShake, "34002f000a47373336373936"); //Subscribe command to listen to other device

i锤子大乱斗f (moisture_percentage <= 22 && messageSent == false){ //Checks if moisture percentage is超级淫欲体系 below threshold and also checks if the water message has been sent

师父,极速影院-安博电竞进口_anggame安博电竞_安博网站

Particle.publish("moist金优他美urePercentag蒋蕙筠e", String(moisture_percentage),60,PUBLIC); //Publishes for message to be sent

}

if (moisture_percentage > 40 && messageSent == true){ //Checks if moisture levels have gone back up and also checks if message has been sent

Particle.publish("plantWatered", plantWatered, 60, PUBLIC);

messageSent = false; //If message sent, and plant watered, it resets the program so that the function above will run

}

Particle.publish("plantStatus_percentage", String(moisture_percentage),60,PUBLIC); //Publish command for logging data and sending it to thingspeak

//digital师父,极速影院-安博电竞进口_anggame安博电竞_安博网站Write(boardLed,LOW);

delay(15000);

}陆昊是陆定一的儿子

void handS冷志宏hake( const char *event, const char *data){ //If the message has been sent, it sets messageSent to true

messageSent = true;

}

Particle Electron 的代码：

int led=D7;//led that indicates the plant needs water

bool sent=f师父,极速影院-安博电竞进口_anggame安博电竞_安博网站alse;// has the notification to water the plant been se师父,极速影院-安博电竞进口_anggame安博电竞_安博网站nt

bool thirsty=false;//whether or not the plant needs water

void setup()

{

pinMode(led,OUTPUT);

}

void loop()

{

Particle.subscribe("moisturePercentage",waterPlant,"3c0026001747373335333438");

while(thirsty==true)

{//while the plant needs water the LED flashes and the electron listens for when the water level goes up

deyeyeigitalWrite(led,HIGH);

delay(500);

digitalWrite(led,LOW);

delay(500);

Particle.subscribe("pla分手by千十九ntWatered",breakloop,"3c0026001747373335333438");// checks for when the plant has been waterd.

}

delay(5000);// this loop every five minutes

}

void waterPlant( const char *event, const char*data)

{

Particle.publish("plantStatus","thirsty",60,PUBLIC);//sends a message to IFTTT to notify me to water my plants.

sent=true;

Particle.publish("handshake","sent",60,PUBLIC)海尔hnm体系;// notifies the photon that the message has been sent

thirsty=true;

}

void breakloop( const char *event, const char*data)// changes thirsty to false to break the while loop and stop the led from flashing

{

thirsty=false;

sent=false;

}

转载自：http://mc.dfrobot.com.cn/thread-280233-1-1.html

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