In this post, we want to make an Arduino analog thermometer. You can simulate analog output in many ways like LCD or using analog voltmeters but now we want to simulate analog pointer by a servo motor. this thermometer uses Arduino UNO for processing sensor signal convert it to digital value then it should convert temperature to PWM signal and send this signal to the servo motor. Arduino board should repeat this process continuously. we can use digital sensors like ds18b20, dht11, dht22 for reading temperature or analog sensors like lm35 or NTC.

Parts

  • Arduino Board …………………………………………………….. BangGood
  • DHT11 Temperature Sensor ……………………………….. BangGood
  • SG90 Servo Motor ………………………………………………… BangGood
  • Bread Board …………………………………………………………. BangGood
  • DuPont Wires ………………………………………………………. BangGood

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