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@ -35,6 +35,11 @@
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# include <DHT.h>
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#endif // DHT_TYPE
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#ifdef HAVE_BH1750
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# include <Wire.h>
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# include <BH1750.h>
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#endif // HAVE_BH1750
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ESP8266WebServer server(80);
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unsigned long last_update = 0;
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@ -48,6 +53,11 @@ float humidity = 0.0;
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bool raining = false;
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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BH1750 light;
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float light_level = 0;
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#endif // HAVE_BH1750
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static const char TEXT_PLAIN[] PROGMEM = "text/plain";
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void
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@ -61,6 +71,7 @@ send_metrics()
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{
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static const size_t dht_size = 228;
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static const size_t rain_size = 86;
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static const size_t light_size = 72;
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size_t message_size =
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#ifdef DHT_TYPE
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@ -69,6 +80,9 @@ send_metrics()
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#ifdef RAIN_PIN
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rain_size +
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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light_size +
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#endif // HAVE_BH1750
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1;
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char message[message_size];
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@ -86,12 +100,20 @@ send_metrics()
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"# TYPE raining gauge\n"
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"raining %d\n"
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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"# HELP light Ambient light, in lumens\n"
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"# TYPE light gauge\n"
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"light %.2f\n"
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#endif // HAVE_BH1750
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#ifdef DHT_TYPE
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, temperature, humidity
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#endif // DHT_TYPE
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#ifdef RAIN_PIN
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, raining ? 1 : 0
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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, light_level
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#endif // HAVE_BH1750
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);
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server.send(200, "text/plain; version=0.0.4; charset=utf-8", message);
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@ -147,6 +169,15 @@ setup()
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pinMode(RAIN_PIN, INPUT);
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#endif // RAIN_PIN
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#ifdef HAVE_BH1750
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Wire.begin(I2C_SDA_PIN, I2C_SCL_PIN);
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if (!light.begin()) {
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Serial.println("Could not find the BH1750 sensor!");
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stop();
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}
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#endif // HAVE_BH1750
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Serial.println("All set, starting the loop.");
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}
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@ -165,6 +196,10 @@ read_sensors()
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raining = (digitalRead(RAIN_PIN) == HIGH);
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#endif
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#ifdef HAVE_BH1750
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light_level = light.readLightLevel();
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#endif // HAVE_BH1750
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// Turn off the LED to indicate work is finished
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digitalWrite(LED_BUILTIN, HIGH);
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}
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