The soil moisture sensor module , built around the LM393 comparator, gives an active-low (L) level output when the soil is dry (determined by a pre-setted threshold value). This digital output (wet ...

IR Sensor Pinout. The IR sensor has a 3-pin connector that interfaces it to the outside world. The connections are as follows: VCC is the power supply pin for the IR sensor which we connect to the 5V ...

For testing, connect the module to any Arduino or compatible microcontroller using the I2C pins. Install the BME688 library in the Arduino IDE and upload the provided test code to observe sensor ...

Arduino Hall Effect Sensor – Connection Diagram. Now let’s connect the module to the Arduino and test it out. For that, make the connections as shown below. Connections are pretty simple. We can use ...