This project demonstrates the design and programming of an electronic circuit using the LM35 analog temperature sensor with Arduino. The circuit reads temperature values from the sensor and displays ...

Circuit Diagram and Explanation. Circuit digram for Digital Thermometer using Arduino and LM35 Temperature Sensor , is shown in the above figure.Make the connections carefully as shown in the ...

To use the temperature sensor, connect the NTC 10k thermistor to the Arduino according to the circuit diagram, and upload the code to the Arduino board. Open the serial monitor in the Arduino IDE to ...

Circuit Diagram of DHT22 Module. The complete schematic diagram of the DHT22 Temperature and Humidity Sensor Module is shown below: The DHT22 module's schematic diagram is shown above. As previously ...

Fig. 2: Circuit diagram humidity and temperature monitoring using Arduino with ESP8266. The DHT11 sensor senses humidity and temperature, and sends the information to digital pin 5 of Arduino MCU, as ...

Circuit and Working: Fig. 1: Circuit diagram of the temperature-based fan speed control and monitoring using Arduino. The circuit diagram of the temperature fan speed control and monitoring is shown ...

You also need to select the transistor by the type of fan that you use. In my case I used the well-known BD139 transistor and a 9V battery to provide power to the fan and transistor. The LM35 ...