The DHT22 module has a total of 3 pins. And the DHT22 bare bone sensor has 4 pins. If we consider the module among three pins two of which are power pins, and one is a data pin. If we are looking at ...

Interfacing DS18b20 Temperature Sensor with Arduino UNO Now that we have understood how the DS18b20 Temperature Sensor works we can connect all the required wires to Arduino UNO. The Connection ...

Data Visualization: o Real-time temperature and humidity readings are sent to the serial monitor every second, providing a clear demonstration of sensor performance. Circuit Diagram The circuit ...

Tips when using long cables: - When using a long cable, e.g. an Ethernet CAT5E cable of 75cm, between the output line of the sensor and the MCU then put a 1K resistor in series with the output line of ...