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/*
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* This sketch receives and decodes data from a 433MHz thermo/hygro weather sensor.
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* The received data (temperature, humidity, channel) is echo
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*
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* Setup:
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* - Connect digital output of a 433MHz receiver to digital pin 2 of Arduino
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* - Enable the serial monitor at 115200 baud.
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*
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*/
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#include <SensorReceiver.h>
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void setup() {
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Serial.begin(115200);
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// Init the receiver on interrupt pin 0 (digital pin 2).
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// Set the callback to function "showTempHumi", which is called
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// whenever valid sensor data has been received.
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SensorReceiver::init(0, showTempHumi);
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}
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void loop() {
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// Empty! However, you can do other stuff here if you like.
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}
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void showTempHumi(byte *data) {
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// is data a ThermoHygro-device?
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if ((data[3] & 0x1f) == 0x1e) {
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// Yes!
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byte channel, randomId;
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int temp;
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byte humidity;
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// Decode the data
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SensorReceiver::decodeThermoHygro(data, channel, randomId, temp, humidity);
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// Print temperature. Note: temp is 10x the actual temperature!
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Serial.print("Temperature: ");
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Serial.print(temp / 10); // units
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Serial.print('.');
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Serial.print(temp % 10); // decimal
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// Print humidity
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Serial.print(" deg, Humidity: ");
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Serial.print(humidity);
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Serial.print("% REL");
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// Print channel
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Serial.print(", Channel: ");
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Serial.println(channel, DEC);
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}
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}
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