In order to program the Arduino board, the Arduino IDE should be installed. Then the DHT22 library should be installed inside the IDE. For this: Click Sketch -> Include library -> Manage libraries ...
You can use the DHT22 (or AM2302) humidity/temperature sensor and the Arduino UNO board to read data and print it out to the serial monitor or to display it on an LCD ...
int mq2SensorPin = A0; // Analog pin for MQ2 sensor connected to A0 of Arduino int buzzerPin = 8; // Pin connected to the buzzer int ledPin = 10; // Pin connected to the LED int servoPin = 9; // Pin ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results